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16801 Westgrove Addison TX, 75001 Town of AddisonPhone: 972-450-2860 Fax: 972-450-2837 To: 􀁾􀀨􀀩􀀮􀁊􀀠From: Jenny Nicewander Fax: Date:SO 2 L 8 Phone: Pages:912 5S3 􀁗􀁴􀁾􀀠tC> Re:
cc:􀁾􀁾􀁬􀁬􀁍􀀬􀀠\ o Urgent 0 For Review 0 Please Comment 0 Please Reply 0 Please Recycle -Comments: 
AIRPORT VEHICLE ACCESSROAD Pavement Reconstruction Addendum No.1 March 16, 2005 To all bidders This addendum becomes part ofthe "AIRPORT VEHICLE ACCESS FUEL ROAD" plans and specifications.
Page PF-2 of the contract documents must be filled out by the bidder acknowledging the receipt of this addendum. Bids will not be accepted if the above instructions are not followed.
MODIFICATIONS TO TIlE SPECIFICATIONS I. Section SP-Special Provisions a. Section 47 -General Sequence o!Construction_-The 2nd paragraph, first sentence, delete the words "temporary pavement
markings" b. Section 50 -GRASS REP AIR will be deleted 2. Section PF -Proposal Form replace pages PF 5 and PF 6 in their entirety. 3. Section PS -Project Sign -Page PS2, paragraph one,
first sentence should read "One (I) Project. .." Replace page PS 2 and PS 3 in their entirety. MODIFICATIONS TO THE PLANS There have been modifications to the following plan sheets I.
OTI -detail sheet I 2. OT2 -detail sheet 2 For Clarification purposes only Questions from the pre-bid meeting I. Concrete strength is 4500 PSI, not 5000 PSI as stated in the meeting.
2. Barricades will be required on both 'sides of the proposed road construction. 3. No temporary pavement markings are required in this contract 4. Silt fence around inlets are acceptable
erosion control at the airport 5. There are no irrigation systems with in the airport construction area that will need to be maintained 6. Quantity for street excavation includes pavement
removal and assumes a depth of lO-inches. Page I of I (Addendum No.1) Airport Vehicle Access Road 
All samples and tests shall be performed in accordance with the Standard Specifications for Public Works Construction, North Central Texas Council of Governments (3rd Edition, 2002)
as amended or supplemented. All concrete mix designs and supporting data shall be submitted to the Owner for approval and acceptance at least ten (10) days prior to placing concrete.
All costs for the field quality control testing shall be paid for by the Town ofAddison. 43.lJME TREATMENT Will not be used in this project. 44. COMPLIANCE WITH GENERAL RULES AND LAWS
Contractor shall familiarize himself with the nature and extent of the specifications, site conditions, traffic and safety requirements, and comply with all federal, state and local
laws, ordinances, rules and regulations. Contractor shall determine how compliance with requirements, laws, rules, and regulations will affect his cost, progress or performance of the
Work. 45. COMPLIANCE WITH IMMIGRATION LAWS Contractor shall take all steps necessary to ensure that all of the Contractor's employees are authorized to work in the United States as recuired
by the Immigration Reform and Control Act of 1986. 46.RESOLUTION OF DISPUTES The parties hereby covenant and agree that in the event of any controversy, dispute, or claim, of whatever
nature arising out of, in connection with or in relation to the interpretation, performance or breach of this agreement, including but not limited to any claims based on contract, tort
or statute, before filing a lawsuit, the parties agree to submit the matter to Alternative Dispute Resolution pursuant to the laws of the State of Texas. The parties shall select a third
party arbitrator or mediator from the current list of neutrals on file with the Alternative Dispute Resolution Administrator of the Dallas County District Courts. All forms of Alternative
Dispute Resolution may be used except binding arbitration. The proceedings shall be conducted in accordance with the laws ofthe State ofTexas. 47. GENERAL SEOUENCE OF CONSTRUCTION Prior
to the start of work, the contractor shall develop a detailed construction and sequence of construction schedule using the critical path method, to be submitted to the Town of Addison
for approval, that shall cause minimum interference with traffic along, across and adjacent to the project during construction. If the schedule or sequence becomes unworkable or unsatisfactory
as work proceeds, adjustments shall be made. During all phases of construction access to all taxiways and taxilanes must be maintained at all times unless otherwise authorized in writing
by the Town ofAddison. Barricades, tOHlfl8f!11?' flWiOHlllilt MIIl'ltiftg!!, and channelizing devices conforming to the current edition of the FAA Advisory Circular No. l50/5370-2E shall
be used during all stages of construction to control traffic flow through the work zones. SP-14 
50. SECTION DELETED GR.:\SS Rl!11\\m 1>10 􀁂􀁥􀁾􀁡􀀺􀁆􀁡􀁴􀁥􀀠f}ft!1 shall hEl 􀁭􀁴􀁴􂂬􀁨􀁾􀀠Fer fQf3sir sf eaM8g@€1 If888 &fillS!!, A@t issisHSB 8M tklll 􀁾􀁬􀁡􀁎􀀸􀀬eDt 􀁂􀁬􀁕􀁾􀁫􀀠1ft8Flc
akedJ @e 􀀺􀀸􀁴􀁩􀁾􀁳􀁩􀁤􀁩􀁡􀀧􀀳􀀠t§ th@v8:Fi@tl9 etHer items biB. R@}3air sMail 􀁀􀁾􀁬􀀺􀀻􀀡􀀠with 􀀸􀀺􀁾􀁦􀁊􀁬􀁩􀁥􀁡􀁨􀁬􀁾􀀠9fuisiii@atieHB eJS@:lJ:k@f@. 51. IRRIGATION AND SPRINKLER
REPAIR The contractor shall maintain all existing irrigation systems within the limits of the project during the duration of the contract. The contractor shall employ a licensed irrigator
who is responsible for the repair or replacement ofany damage to irrigation lines, valves, controllers, sprinklers, wiring and appurtenances which are damaged during construction. This
repair is subsidiary to the various other items bid. The contractor will be responsible for any vegetation that dies as a result of damage to the irrigation system and replace it with
equal vegetation at his own cost. 52. WORKERS' COMPENSATION INSURANCE COVERAGE A. Definitions. Certificate of Coverage ("certificate") -A copy ofa certificate ofinsurance, a certificate
of authority to self insure issued by the Texas Workers' Compensation Commission (the "TWCC"), or a coverage agreement (TWCC-81, TWCC-82, TWCC-83 or TWCC-84), showing statutory workers'
compensation insurance coverage for the person's or entity's employees providing services on a project, for the duration ofthe project. Duration oftbe Projeet -includes the time from
the beginning ofthe work on the project until the Contractor'slperson's work on the project has been completed and accepted by the governmental entity. Persons Providing Services on
tbe Project ("subcontractor" in Section 406.096 of the Texas Labor Code) -includes all persons or entities performing all or part of the services the Contractor has undertaken to perform
on the project, regardless of whether that person contracted directly with the Contractor and regardless of whether that person has employees. This includes, without limitation, independent
contractors, subcontractors, leasing companies, motor carriers, owner-operators, employees of any such entity or employees of any entity which furnishes persons to provide services on
the project. "Services" include, without limitation, providing, hauling, or delivering equipment or materials, or providing labor, transportation, or other service related to a project.
"Services" does not include activities unrelated to the project, such as foodlbeverage vendors, office supply deliveries, and delivery ofportable toilets. B. The Contractor shall provide
coverage, based on property reporting ofclassification codes and payroll amounts and filing of any coverage agrcement, which meets the statutory requirements of Texas Labor Code, 401.0
II (44) for all employees of the Contractor providing services on the project, for the duration ofthe project. C. The Contractor must provide a certificate of coverage to the Owner prior
to being awarded the contract. SP-J6 
ROADWAY QUANTITIES Airport Vehicle Access Road Addison Airport Dollars and 1____________ Cents per unit Dollars and I____________cents per unit 1____________Cents per unit ! Compl!e!e
in Place, for the Sum of :______________________􀁾􀀢􀀧􀁡􀁾􀁡􀁮􀁤􀀠1____________Cents per unit PF-5 of 7 -Roadway 
ROADWAY QUANTITIES Airport Vehicle Access Road Addison Airport Doll.", and 1____________Cents per unit Dollars and :____________Cents per unit Dolla", and 1____________Cents per unit
Dollars and 1____________C.nts per unit TOTAL AMOUNT BID FOR. MATERIALS AND SERVICES, SCHEDULE I, ITEMS 101 THROUGH 110, INCLUSIVE $--'-------PF-6 of 7 -Roadway 
PROJECT SIGN 1. Quantity: ONE (1) Project Designation signs will be constructed and installed on the project site as directed by the Owner. It wilI be the responsibility of the Contractor
to maintain the sign in a presentable condition at all times during construction. Maintenance will include painting and repairs as directed by the City Engineer or his appointee. The
locations of the signs will be given to the Contractor by the Town of Addison at the pre-construction meeting. 2. Material: Sign shall be constructed of 3/4-inch thick smooth finish
fir ply-wood (Grade A-C, exterior or better). Sign will be securely mounted to 6" x 6" square posts. Nuts and bolts will not protrude from face ofsign. Posts will be mounted to a support
system that will provide adequate stabilization to ensure the sign will not fall over in heavy winds. Sand bags or other techniques may be necessary to protect sign. 3. Dimensions: Size
of sign will be four feet tall and six feet wide. The height and arrangement ofthe lettering shall be in accordance with the attached detail. 4. Paint: Sign will be one-sided and will
have a white background. Text will be black, except for the word "Addison!" which will be a blue color approved by the City Engineer. The paint will be an outdoor paint and will be maintained
throughout the project in proper order. The quality ofthe paint, painting, lettering on the signs shall be approved by the City Engineer or his appointee. 5. Payment: Signs will not
be a separate pay item, but will be subsidiary to other bid items. This will include all labor, equipment, tools, and incidentals necessary to complete and install the work. PS-2 
1Jt) Ji (fttlThe Town of 1􀁾􀁊􀀠· PLEASE PARDON THE TEMPORARY INCONVENIENCE DURING THIS PROJECT AIRPORT VEHICLE ACCESS ROAD: --PAVING IMPROVEMENTS ON AIRFIELD VEHICLE ACCESS ROAD CONTRACTOR:
ESTIMATED COMPLETION DATE: Fall, 2005 AN ADDISON PROJECT FOR MORE INFORMATION, PLEASE CALL 972-450-2871 
$$$$$$SYTIME$$$$$ $$$$$$$$$$$$OGNSPEC$$$$$$$$$$$$$$$ NOT TO SCALEffi 3/8' JOINT WI SILICONE DUMMY JOINT AT 15' JOINT SEALING MAX SPACINGCOMPOUND <TYP) EXISTING JOINT SAWCUT l' BEYOND
EXISTING JOINT PROPOSED 10' THICK, 4500 PSI If SPALLED CLASS P2 REINF CONCRETE5'1 ffiPAVEMENT FOR REPAIR, PER ____________ __ NCTCDG SPEC ITEM 303 (4TH EDITION) ;"""A)'NY>, ..' '. 0(1
􀁾􀀼􀁉.' • " 􀁾􀀢􀁖􀀮􀀮􀂫􀀠-6 DOWELED 8ARS 20' LONG ON 15' CENTERS EXISTING 12' SCARIFY S' DEPTH AND RECOMPACT CONCRETE PAVEMENT TO q5% STANDARO PROCTOR DENSITY, SUBSIDIARY TO 10" REINFORCED
CONCRETE PAY ITEM, SECTION A·A 􀁒􀁅􀁐􀁾􀁒􀀠AREAS SHALL BE LEVELED TO MATCH EXISTING GRADE OF ADJACENT CONCRETE OR ASPHALT _......-.." PAVEMENT, 􀁟􀀭􀀭􀁾􀂷􀀹􀀡􀀭􀀮􀀮􀁴􀁦􀁾􀁬􀀠THE SEAt.
ON iHIS;.., * ':'II'I􀁾􀀮􀁦􀁏􀀩􀀠􀁾􀀮􀁉􀀠DOCuMENi􀀤􀁾􀁴􀀮􀀮􀀬􀀮􀀮..._.....􀁟􀁾􀁴􀁾􀀠WAS AUTHORIZED BYIF ADDITIONAL FILL MATERIAL IS NEEDED. FLEXIBLE BASE 􀁾..􀁾􀀺􀀮􀀮􀀮􀁾􀀮􀀭􀁾􀁾􀀮􀁾􀀠J.
S. NlCEWANDERMEETING THE REQUIREMENTS OF NCTCOG STANDARD 􀀧􀁦􀁬􀁩􀀺􀁾􀀠81843 􀁩􀀮􀁾􀀠P.E.'" &1843 ON􀀡􀁩􀁦􀁩􀀢􀀺􀀺􀀢􀁾􀀢􀁴􀀧􀁾􀁾􀁾SPECIFICATIONS .301.5 SHALL 8E USED, ADDITIONAL FILL
ff.7,·····,·•••• YQr"(:h 4.2005 MATERIAL SHALL BE SU8SIDIARY TO 810 ITEMS. 􀁜􀁜􀁾􀁾􀁾􀀢......-CONTRACTOR WILL SOD DISTURBED AREA. DT·1& ADDISON AIRPORT REMOVED PAVEMENT SHALL BE DISPOSED
OF BY CONTRACTOR AND CONSIDERED SUBSIDIARY TO OTHER 810 ITEMS. AIRPORT VEHICLE ACCESS ROAD TYPICAL SECTION CONCRETE PAVEMENT REPLACEMENTffi ADDENOUM 1· MARCH 16. 2005 ADJACENT TO CONCRETE
...\TECHPROD\Sheets\1tdto1add1.dgn 03/16/200502:20:06 PM 
PRIME •-$$$$$$SYTIME$$$$$ $$$$$$$$$$$$DGNSPEC$$$$$$$$$$$$$$$ NOT TO SCALE 'I." BEVELED 􀁾􀀧􀀯􀂷􀀢􀀫􀀧􀀯􀁳􀀢EDGES,TYP I 'I.' BEVELED PVMT,r-4i'''±Ys'' EDGES, TYP II "'12" ±'/s" , \ &
J/S" JOINT VI SILICONE JOINT SEALIN:j COMPOUND (T YP I PROPOSED 3' DRILL AND EPOXY BARS 10' CONCRETE \ 􀁾􀀭􀀭􀁊􀀠PAvEMENT '. . . '" SEE SECTION A'A \' . 􀁾􀀮􀀠." 􀀬􀀬􀁾􀀠., t--"" P605
SIL ONE· . JOINT 􀁓􀁅􀁾􀁁􀁎􀁔􀀧􀀠􀀮􀁾􀁾􀀮􀀠I SAWED • '/8" INITIAL SAw CUT LINE 0' CONCRETE PAVEMENT I.' <l ',<l 􀁜􀁾I ..-_116_'I." MAX, BELOW PVMT. .----;:-..,....1-:-'.... , 4 :i 􀁾􀀠.􀁩􀀲􀀮􀁾􀁾􀀠P6
05: SiLICONE . . .L..:...: JOINT. SEAL ANT :J:• .... Q.􀁬􀁾􀁾􀁾􀁾-.::: wN o...." 4 􀁉􀁾􀁉.􀁾􀀠. 4 . ;., & BACKER ROD OR ROPE 􀁾RESILIENT FIBERBOARD PLACED IMMEDIATELY AfTER INITIAL FILLER,
ONE PIECE, FULL SAWCUT (IF REQUIREDI TO PREVENT DET AIL 1 MATERIAL FROM ENTERINGDEPTH FULL WIDTH, CAST CONTRACTION JOINTEXPANSION JOINT IN PLACE (TOP PORTION NOT TO SCALE CUT OUT FOR
JOINT DETAIL 2SEALER & BACKER ROD _-.....􀀢􀁩􀀳􀀧􀁾􀀧􀀧􀀧􀁜􀀬DUMMY JOINT .:-'\§-.........T."" ,;:...!-... 􀁾..t"l, 􀀬􀀮􀀮􀁾􀀮􀀬􀀠J't \f·'JNOT TO SCALE 􀀡􀀮􀁾􀀮􀁦.........................􀁜􀀮􀁾􀀥􀀠􀁴�
�􀂷􀀬􀁾􀀺􀂷􀂷􀁾􀀺􀂷􀂷􀁾􀁾􀂷􀁾􀂷􀁾􀁬.. j 􀀬􀀬􀁾􀀠87843 􀁏􀀯􀁾􀀡" 􀁾􀀧􀁴􀁐􀀧􀁓􀀱􀀧􀁾􀂷􀁾􀁾􀀱􀀬􀁜􀀸􀀮􀁲􀁦􀁏􀁜􀁲􀁩􀁁􀁌􀀢􀁾􀀭2" SURFACE ,,"',............ COURSE THE SEAL ON THIS DOCUMENT
WAS AUTHORIZED BY PAVEMENT IB" CONCRETE J. S. NICEWANOER SEE SECT ION A· P.E.-87843 ON March 4.2005. . "t', 􀁾􀀠EXISTING SECTION C 6" CONCRETE NOT TO SCAlE DT-2 -5 DOWELED BAASI.\ 20"
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Pre-Bid Meeting Airport Vehicle Access Road March 15, 2005 2:00 PM Introductions Project Overview A+B Bidding -Incentive/disincentive $500 dollars per day, Max Incentive $5000.00 • A
Part -Bid tab items • B Part -Number of days bid to complete project @$500/day • Bid Award based on "An + "B" amount • Contract is based on "A" portion Airport Safety Requirements of
Contractor 1. Work adjacent to non-movement area 2. Driving school 3. Radio's required 4. Staging area and site access Construction Schedule -Town of Addison Events 1. Kaboom Town -safety
barriers around haul road 2. A+B bidding -includes holidays Expectations of Contractor for Pre-Construction meeting 1. Schedule 2. Traffic Control Plan will be required 5-days prior
to construction Handouts 1. Soils Report 2. FAA Spec -AC 150/5370-2E Operational Safety on Airports during Construction 3. Sign in Sheet Miscellaneous 1. Read General Notes in specs
on page SP-19 Field Trip 
N.#)1ft'i!.Pre-Bid Meeting Airport Vehicle Access Road March 15, 2005 2:00 PM Introductions Project Overview A+B Bidding -Incentive/disincentive $500 dollars per day, Max Incentive $5000.00
• A Part -Bid tab items • B Part -Number of days bid to complete project @$500/day • Bid Award based on "An + "B" amount • Contract is based on "A" portion Airport Safety Requirements
of Contractor 1. Work adjacent to non-movement area 2. Driving school 􀁟􀁾􀁾􀁾􀁜􀁩􀀦􀁯􀀮􀀠3. Radio's required ... "JO . '. f\\D Te'JlJP ?fM"t 􀁾􀀠4. Staging area and site access Construction
Schedule -Town of Addison.Events -' 􀁴􀀭􀀮􀁜􀁾􀀠􀁾􀁉􀁬􀀮􀁴􀁯􀀮􀀠􀀢􀀬􀀬􀀭􀁾􀀢􀁓􀁊􀀩􀁊􀀠􀁾􀀠1. Kaboom Town -safety barriers around haul. road ..:;:: f) \' 2. A+B bidding -includes hO,liqays
,'., -:-. -.) 􀁾􀀠􀁾􀀠\Q 􀁾􀀠Expectations of Contractor for Pre-Construction meeting _ 1\J::I' 􀁃􀁖􀁾􀀠1. Schedule w..;, ,d1.f'r\. 2. Traffic Control Plan will be required 5-days prior
to construction 􀀭􀁾􀁒􀀴􀀮􀁣􀀮􀁾􀁾Handouts 1. Soils Report -􀁾􀀠2. FAA Spec -AC 150/5370-2E Operational Safety on Airports during Construction 􀁾􀀬􀀮􀀮􀀮􀁟􀁾􀀠 3. Sign in Sheet \:n-􀁜􀁾􀁾􀀠Miscellane
ous \'C􀁾􀁜􀁊􀁬􀀬􀁴􀁣􀀮􀁷􀀭1. Read General Notes in specs on page SP-1.a9__􀁾􀂷􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀁾<;)'1 d-Ur 􀁾􀀠-􀁾􀁾􀀠Field Trip 
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------05-13 Airport Vehicle Access Road Pre Bid Meeting . -------Company . Name 􀀨􀁾􀁢􀁴􀁮􀀿,,4_-:-􀁾􀁾􀂣􀀢􀁳􀁌􀀠//1:rL.seu P..";'''9 􀁾􀀨... k \-\.()vJ",.l., ff9if 􀁾􀁲􀀮􀀠S􀁲􀁴􀁾􀀠Jt::5IV
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05-13 Airport Vehicle Access Road Pre Bid Meeting 􀁾􀁾􀀠􀁾􀀠(:ompany Name 􀁁􀀭􀀺􀀭􀁾􀁾􀀠DQ..ve FO ""+< 1Tet"'" Co, -1\. .!I t:.J\ t::::. -::::::\". ..-"5"f.J I:: (I, " 􀁉􀀧􀁾􀀭􀁵􀀮􀁾􀁜􀀮􀀮􀀧􀁙..
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Pre-Bid Meeting Airport Vehicle Access Road March 15, 2005 2:00 PM Introductions Project Overview A+B Bidding -Incentive/disincentive $500 dollars per day, Max Incentive $5000.00 • A
Part -8id tab items • 8 Part-Number of days bid to complete project @$500/day • 8id Award based on "A" + "8" amount • Contract is based on "A" portion Airport Safety Requirements of
Contractor 1. Work adjacent to non-movement area 2. Driving school 3. Radio's required 4. Staging area and site access Construction Schedule -Town of Addison Events 1. Kaboom Town -safety
barriers around haul road 2. A+8 bidding -includes holidays Expectations of Contractor for Pre-Construction meeting 1. Schedule 2. Traffic Control Plan will be required 5-days prior
to construction Handouts 1. Soils Report 2. FAA Spec -AC 150/5370-2E Operational Safety on Airports during Construction 3. Sign in Sheet Miscellaneous 1. Read General Notes in specs
on page SP-19 Field Trip 
Pre-Bid Meeting Airport Vehicle Access Road March 15, 2005 2:00 PM Introductions Project Overview A+B Bidding -Incentive/disincentive $500 dollars per day, Max Incentive $5000.00 • A
Part -Bid tab items • B Part -Number of days bid to complete project @$500/day • Bid Award based on "A" + "B" amount • Contract is based on "A" portion Airport Safety Requirements of
Contractor 1. Work adjacent to non-movement area 2. Driving school 3. Radio's required 4. Staging area and site access Construction Schedule -Town of Addison Events 1. Kaboom Town -safety
barriers around haul road 2. A+B bidding -includes holidays Expectations of Contractor for Pre-Construction meeting 1. Schedule 2. Traffic Control Plan will be required 5-days prior
to construction Handouts 1. Soils Report 2. FAA Spec-AC 150/5370-2E Operational Safety on Airports during Construction 3. Sign in Sheet Misce"aneous 1. Read General Notes in specs on
page SP-19 Field Trip 
I \I, , -1 ! I I i i PROJECT NO. 8614 REPORT NO. 1 MARCH, 2002 GEOTECHNICAL INVESTIGATION ADDISON AIRPORT RUNWAY AND TAXIWAYS ADDISON, TEXAS Presented To: COFFMAN ASSOCIATES PHOENIX,
ARIZONA I, 
􀁾􀀮􀀠, I I I: I, ! j I I III II , . . , I I 􀁉􀁾􀂷o 400' 800' 
Fa. EC lEI::! J::II> I III!: I'o.f c::a I ...... a::. -= 'F:lI. I ........ call CED1mtNICN. AND: Ic:a P& c:::s L-I F=􀁾􀁔􀁎􀀮􀀮CONSUlTAHlS PLAN OF BORINGS Addison Airport Runway & Taxiways
Addison. Texas PLATE 1 
___ i . I I reed !rlna Addison Airport. Pro ject No. 8614 . Runway and Taxiways Addison, Texas . Date: 02-10-02 Location: See Plate 1 I, PoCket Penetrometer Readings Tons Per Sq. 􀁆􀁾􀀠-"
Standard Penetration TestsOESCR!PTlQN OF STRATA Slows per Foot -• f I 2 3 4 4.5+ 45t-f+ Il <!O 30 «l sa eo 􀁯􀀭􀁾􀀠ASPHALT (5.S") ILIMES', VI"" FRAGMENTS, . yellowish-brown, fine-to
cO.arse-grained, angUlar, w'/clay (Fill) (GP) I I .T<>talOepth =.7 feet 5I' 10I . I. 15I 20PLATE 31 I '. 80RINGLOGB-30 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭
􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁔􀁅􀁾􀁾􀁔􀁁􀁾􀁾􀀠
I ! ! t -f •I J J , I',' ! I • reed e' 􀀭􀀧􀀭􀀮􀁾􀀠Addison Airport Project No; 8614 Runway and Taxiways Addison, Texas Date: 02-10-02 Location: See Plate 1 􀁾􀀮􀁵􀀬􀀠CORE ::C_ -..."'0
>'" "-CD"-.... -,. cJ CJUJ5>c !:l r,n I<i UJ '" 0:: a: c .. '1>1! 0􀁾􀀠h 􀁾􀀠.h . :' s-to15· , -....􀁾􀀠DESCRIPTION OF STRATA ASPHALT (6.3") CLAYEY GRAVEL. brown, well-rounded, fine-to
medium-grained. siliceous .. calcareous, w/fine-to coarse-grained, sub-rounded to sub-angular sand (Fill) (GP) CLAY. dark gray, very stiff (CH) Tatal Depth = 2 feet '-, . 􀁾􀀠.J" -'
Pocket Penetrometer Readings Tons Pet Sq. Ft. -I Stan<tard Penetrauon Tests . Blows per Foot .. .. ,. t Il 2 3 20 30 . I· I . . I' I'·' . I I BORING LOG B-31. . PLATE' 32 GEOTEmNICAI..
ClJISULTANTS 
􀁲􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁩􀁡􀁾􀀡􀁥􀁾􀀡􀁤􀁾􀁥􀁾􀁮􀁧􀁬􀁾􀁾􀀮􀁱􀀭􀀭􀀭􀁾􀀠. GROUPAddison Airport_Pro ject No. 8614 . Runway and Taxiways
Addison, TexasOgte; 02-10-02 . Location; See Plate I Ie Pocket Penetrometer 􀁒􀁥􀁡􀁤􀁬􀁮􀁾􀁳􀀠Tons Per Sq. Ft. -'i 􀁾􀁾􀀠CORE 􀁾<;; r!;::i 􀁾􀁾􀀠􀁉􀁾􀁉􀀭􀀭􀁲􀀭􀀭􀁉􀀠Standard Penetration
Te.stsDESCRIPTION OF STRATA Blows per Foot -t0.. .. •"'-!! u 􀁾c ' UJ:;::0:,_ 􀁾􀀻􀁾􀀠• t 2 3 4 4.5+. 4.5H.. [) 20 30 40 50 60 ,. I 1 I I i .I I J . I j ,\ 1 \ j , . I' I I I . I . \
ASPHALT (7.4") I CLAY, d<;lrk brown .I: dark gray, stiff to haro,-wifine-to medium-grained, soft, weathered limestone fragments (Fill) (CH) I-gray limestone @H/2' 5Total Depth = l-V2
feet 1015I' I I", .. I I . . BORING LOG B-32 PLATE 33 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁾􀁾􀁾􀁔􀁍􀁉􀁔􀁓􀀠-
. , ! ! .i I i \ .i 1 I r-__________􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀁟􀁟􀀮􀀭􀀭􀀭􀀭􀀮􀁲􀁲􀀧􀁥...!'e"""'d.....em",,"!gloeerlog__, CQHESIONLESS SOILS SPT N-Values Relative (blows/fool)· Density o-4
............... ;, ....... Very Loose 4 -10 ................::::...:. Loose 10-30 ........................ Medium Dense 30,.50 ....................... Dense 50 + : .....................
Very Dense HARDNESS GROUP SOIL PROPERTIES COHESIVE SOILS Pocket Penetrometer (T.S.F.) Consistency <0.25 ..................... Very Soft 0.25-0.50.............. Soft 0.50-1.00 ...............
Medium Stiff .1.00-2.00 ............... Stiff 2.00-4.00............. Very Stiff 4.00 + ......:........... Hard ROCK PROPERTIES DIAGNOSTIC FEATURES Very Soft..........................
Can be dented with moderate finger pressure. Sofl................................... Can be scratched easily with fingernail. Moderately Hard ............. Can be scratched easHy with
knife but not with fingernail. Hard ................... : ............ : .. Can be scratched with knife wilh some difficulty; can be broken by light 10 inoderate hammer blow. Very Hard
.......................... Cannot be scratched wilh knife; can be broken by repeated heavY hammer blows. I&GREE OF WEATHERING DIAGNOSTIC FEATURES Slightly Weathered .............. Slight
aiscoloration Inwards from. open fraclures. Heathered. ............................ Discoloration Ihroughout; weaker minerals decomposed; strength somewhat less than fresh rock; .tructure
preserved. Severely weathered ........... Most minerals somewhat decomposes; much softer than fresh rock; te.ture becoming indistinct but fabric and structure preserved, . "" Completely
Weathered ....... Minerals decomposed to soil; rock fabric and structure destroye'd (residtlal soilJ. KEY TO DESCRIPTIVE. TERMS ON BORING LOGS PLATE 35 L....-------------------------GEOTEaMCALCOOSULT
ANTS 
; . i I .! j \, . ! .1 I I GEOTECHNICAL INVESTIGATION. AODISON AIRPORT· RUNWAY AND TAXIWAYS ADDISON, TEXAS (Continued) Summary of Classification and Index Property Tests Percent Uquid
Plastic Plasticity Passing Boribg Depth Limif Limit Index· No. 200 Nif' (feet). (%) (%) (PI) ...sieve B-30 eM -0.7 . 17 B-31 1.0 -2.0 66 26 40 B-32 0.5 -1.0 56 22 34 SUMMARY OF LABORATORY
TEST RESULTS PLATE 38 I 
---------------------------------o Advisory u.s. Department of Transportation Federal AViation CircularAdministration Subject: OPERATIONAL SAFETY ON AIRPORTS DURING CONSTRUCTION 1. THE
PURPOSE OF THIS ADVISORY CIRCULAR (AC). Aviation safety is the primary consideration at airports, especially during construction. This AC sets forth guidelines for operational safety
on airports during construction. It contains major changes to the following areas; "Runway Safety Area," paragraph 3-2; "Taxiway Safety Areas/Object-Free Areas," paragraph 3-3; "Overview,"
paragraph 􀀳􀁾􀀴􀀻􀀠HMarking Guidelines for Temporary 'Threshold," paragraph 3-5; and "Hazard Marking and Lighting," paragraph 3-9. 2. WHAT THIS AC CANCELS. This AC cancels AC 150/5370-20,
Operational Safety on Airports During Construction, dated May 31, 2002. 3. READING MATERIAL RELATED TO THIS AC. Appendix I contains a list of reading materials on airport construction,
design, and potential safety hazards during construction, as well as instructions for ordering these documents. Many of them, including this AC, are available on the Federal Aviation
Administration (FAA) Web site. Date: 1117/03 AC No: 150/5370-2E Change:Initiated by: AAS-300 4. WHO THIS AC AFFECTS. This AC assists airport operators in complying with 14 Code of Federal
Regulations (CFR), part 139, Certification and Operation; Land Airports Serving Certain Air Carriers, and with the requirements of airport construction projects receiving funds under
the Airport Improvement Program or from the Passenger Facility Charge Program. While the FAA does not require noncertificated airports without grant agreements to adhere to these guidelines,
we recommend that they do so as it will help these airports maintain a desirable level of operational safety during construction. 5.ADDITIONAL BACKGROUND INFORMATION. Appendix 2 contains defmitions of terms used in this AC. Appendix 3 provides airport operators with boilerplate format and language for developing
a safety plan for an airport construction project. Appendix 4 is a sample Notice to Airmen form. 6. HAZARD LIGHTING IMPLEMENTATION TIME LINE. Supplemental hazard lighting must be red
in color by OctQber 1,2004. See paragraph 3-9 for more infonnation. DAVID L. BENNETT Director, Office ofAirport Safety and Standards 
1117/03 AC 150/537G-2E CONTENTS Paragraph CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSiBILITIES •..•....•••.••.....•••••.•...•••••.....•••••......1 1·1. Overview................................
................................................................................................................................. 1 1-2. Who Is Responsible for Safety During Construction
................................................................................................ 1 CHAPTER 2. SAFETY PLANS ............................................................................
....................................................3 Section 1. Basic Safety Plan Considerations .....................................................................................................
..3 2-1. Overview................................................................................................................................................................. 3 2-2.
Safety Plan Checklist. .............................................................................................................................................. 3 Section 2. Safety
and Security Measures .............................................................................................................4 2-3. Overview.....................................................
............................................................................................................4 2-4. Vehicle Operation and Marking and Pedestrian Control. ..............................
...........................................................4 2-5. Construction Employee Parking Areas .................................................................................................
....................5 2·6. Construction Vehicle Equipment Parking ....................................................... : ........................................................ 5
2·7. Radio Communication Training ...............................................................................................................................5 2·8. Fencing and Gates..............
......................................................................................................................................5 Section 3. Notification of Construction Activities
.................................................................................................5 2·9. General. ......................................................................................
.............................................................................5 2-10. Assuring Prompt Notifications ....................................................................................
............................................6 2·11. Notices to Airmen (NOT AMs) .......................................................................................................................
......... 6 2·12. Aircraft Rescue and Fire Fighting (ARFF) Notification ...........................................................................................6 2-13. Notification
to the FAA. ..........................................................................................................................................6 2-14. Work Scheduling and Accomplishment.
.................................................................................................................. 6 CHAPTER 3. SAFETY STANDARDS AND GUIDELINES .......................................
...............................................7 Section 1. Runway and Taxiway Safety Areas, Obstacle-Free Zones, and Object-Free Areas .......................7 3-1. Overview.........................
........................................................................................................................................ 7 3-2. Runway Safety Area (RSA)/Obstacle-Free
Zone (OFZ) ..........................................................................................7 3·3. Taxiway Safuty Areas/Object-Free Areas.....................................................
........................................................... 7 Section 2. Temporary Runway Thresholds ..................................................................................................
.........8 3-4. Overview.................................................................................................................................................................8
3·5. Marking Guidelines for Temporary Threshold .........................................................................................................8 3-6. Lighting Guidelines for
Temporary Threshold .........................................................................................................9 Section 3. Other Construction Marking and Lighting Activities
.......................................................................10 3·7. Overview................................................................................................................
............................................... 10 3-8. Closed RlU1way and Taxiway Marking and Lighting.............................................................................................
1 0 3-9. Hazard Marking and Lighting ................................................................................................................................ 1 0 3-10. Construction
Near Navigational Aids (NA V AIDs) ................................................................................................ 11 3-11. Construction Site Access and Haul Roads ..................
............................................................................................ 11 3-12. Construction Material Stockpiling ...............................................................
........................................................... 11 3-13. Other Limitations on Construction.................................................................................................
........................ 11 3-14. Foreign Object Debris (FOD) Management. .......................................................................................................... 12
Section 4. Safety Hazards and Impacts ...............................................................................................................12 3-15. Overview.................................
.............................................................................................................................. 12 iii 
1/17/03 Appendices APPENDIX 1. RELATED READING MATERIAL ................................................................................................... A-1 APPENDIX 2. DEFINITIONS
OF TERMS USED IN THE AC ................................................................................... A-2 APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE ................................
.............................. A-3 APPENDIX 4. SAMPLE NOTAM ............................................................................................................................
A-7 iv 
1117/03 AC 15015370-2E CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSIBILITIES 1-1. OVERVIEW. Hazardous practices and marginal conditions created by construction activities can decrease
or jeopardize operational safety on airports. To minimize disruption of normal aircraft operations and to avoid situations that compromise the airport's operational safety, the airport
operator must carefully plan, schedule, and coordinate construction activities. While the guidance in this AC is primarily used for construction operations, some ofthe methods and procedures
described may also enhance dayto-day maintenance operations. 1-2. WHO IS RESPONSIBLE FOR SAFETY DURING CONSTRUCTION. An airport operator has overall responsibility for construction activities
on an airport. This includes the predesign, design, pre construction, construction, and inspection phases. Additional information on these responsibilities can be found throughout this
AC. a. Airport operator's responsibilities(1) Develop internally or approve a construction safety plan developed by an outside consultantlcontractor that complies with the safety guidelines
in Chapter 2, "Safety Plans," and Appendix 3, "Airport Construction Safety Planning Guide," oftbis AC. (2) Require contractors to submit plans indicating how they intend to comply with
the safety requirements oflhe project. (3) Convene a meeting with the construction contractor, consultant, airport employees, and, if appropriate, tenant sponsor to review and discuss
project safety before beginning construction activity. (4) Ensure contact information is accurate for each representativelpoint ofcontact identified in the safety plan. (5) Hold weekly
or, ifnecessary, daily safety meetings to coordinate activities. (6) NotilY users, especially aircraft rescue and fITe fighting (ARFF) personnel, ofconstruction activity and conditions
that may adversely affect the operational safety ofthe airport via Notices to Airmen (NOTAMs) or other methods, as appropriate. Convene a meeting for review and discussion ifnecessary.
(7) Ensure that construction personnel know ofany applicable airport procedures and ofchanges to those procedures that may affect their work. (8) Ensure that construction contractors
and subcontractors undergo training required by the safety plan. (9) Develop andlor coordinate a construction vehicle plan with airport tenants, the airport traffic control tower (ATCT),
and construction contractors. Include the vehicle plan in the safety plan. See Chapter 2, section 2, ofthis AC for additional information. (HI) Ensure tenants and contractors comply
with standards and procedures for vehicle lighting, marking, access, operation, and communication. (II) At certificated airports, ensure that each tenant's construction safety plan is
consistent with 14 CFR part 139, Certification and Operations: Land Airports Serving Certain Air Carriers. (12) Conduct frequent inspections to ensure construction contractors and tenants
comply with the safety plan and that altered construction activities do not create potential safety hazards. (13) Resolve safety deficiencies immediately. (14) Ensure construction access.complies
with the security requirements of49 CPR part 1542, Airport Security. (15) NotilY appropriate parties when conditions exist that invoke provisions ofthe safety plan (e.g., implementation
oflow-visibility operations). b. Construction contractor's responsibilities(1) Submit plans to the airport operator on how to comply with the safety requirements ofthe project. (2) Have
available a copy ofthe project safety plan. (3) Comply with the safety plan associated with the construction project and ensure that construction personnel are fumiliar with safety procedures
and regulations on the airport. (4) Provide a point ofcontact who will coordinate an immediate response to correct any construction-related activity that may adversely affect the operational
safety ofthe airport. (5) Provide a safety officer/construction inspector fumiliar with airport safety to monitor construction activities. (6) Restrict movement ofconstruction vehicles
to construction areas by flagging and barricading, erecting temporary fencing, or providing escorts, as appropriate. 1 
1/17/03 AC 150/5370-2E (7) Ensure that no construction employees, employees ofsubcontractols Or suppliers, or other persons enter any part ofthe air operations areas (AOAs) from the
construction site unless authorized. c. Tenant's responsibilities if planning construction activities on leased property(1) Develop a safety plan, and submit it to the airport operator
for approval prior to issuance ofa Notice to Proceed. (2) Provide a point ofcontact who will coordinate an immediate response to correct any construction-related activity that may adversely
affect the operational safety ofthe airport. (3) Ensure that no tenant or construction employees, employees of subcontractors or suppliers, or any other persons enter any part oflhe
AOA from the construction site unless authorized. (4) Restrict movement ofconstruction vehicles to construction areas by flagging and barricading or erecting temporary fencing. 2 
1117103 AC 150/5370·2E CHAPTER 2. SAFETY PLANS Section 1. Basic Safety Plan Considerations 2-1. OVERVIEW. Airport operators should coordinate safety issues with the air carriers, FAA
Airway Facilities, and other airport tenants before the design phase ofthe project. The airport operator should identifY project safety concerns, requirements, and impacts before making
arrangements with contractors and other personne I to perform work on an airport, These safety concerns will serve as the foundation for the construction sarety plan and help maintain
a high level ofaviation safety during the project, The airport operator should determine the level of complexity of the safety plan that is necessary for each construction project and
its phases, The safety plan may be detailed in the specifications included in the invitation for bids, or the invitation for bid may specifY that the contractor develop the safety plan
and the airport operator approve it. In the latter case, the invitation for bid should contain sufficient information to allow the contractor to develop and determine the costs associated
with the safety plan. In either case, safety plan costs should be incorporated into the total cost of the project. The airport operator has final approval authority and responsibility
for all safety plans. Coordination will vary from formal predesign conferences to informal contacts throughout the duration of the construction project. Details of a specified safety
plan, or requirements for a contractor-developed safety plan, should be discussed at the predesign and preconstruct ion conferences and should include the following, as appropriate:
a. Actions necessary before starting construction, including defIning and assigning responsibilities. b. Basic responsibilities and procedures for disseminating instructions about airport
procedures to the contractor's personnel, c. Means ofseparating construction areas from aeronautical·use areas. d. Navigational aid (NAV AID) requirements and weather. e. Marking and
lighting plan illustrations. f. Methods ofcoordinating significant changes in airport operations with all the appropriate parties. 2-2. SAFETY PLAN CHECKLIST. To the extent applicable,
the safety plan should address the following: a. Scope of work to be performed, including proposed duration of work. b. Runway and taxiway marking and lighting. c. Procedures for protecting
all runway and taxiway safety areas, obstacle·free zones (OFZs), object·free areas (OFAs), and threshold citing criteria outlined in AC 150/5300-13, Airport Design, and as described
in this AC. This includes limitations on equipment height and stockpiled material. d. Areas and operations affected by the construction activity, including possible safety problems.
e. NA V AIDs that could be affected, especially critical area boundaries. f. Methods ofseparating vehicle and pedestrian construction traffic from the airport movement areas. This may
include fencing offconstruction areas to keep equipment operators in restricted areas in which they are authorized to operate. Fencing, or some other form of restrictive barrier, is
an operational necessity in some cases. g. Procedures and equipment, such as barricades (identifY type), to delineate closed construction areas from the airport operational areas, as
necessary. h. Limitations on construction. i. Required compliance ofcontractor personnel with all airport safety and security measures. j. Location of stoCkpiled construction materials,
construction site parking, and access and haul roads. k. Radio communications. I. Vehicle identification. m. Trenches and excavations and cover requirements. 3 
1117/03 n. Procedures for notifYing ARFF personnel if water lines or fire hydrants must be deactivated or if emergency access routes must be rerouted or blocked. o. Emergency notification
procedures for medieal and police response. p. Use oftemporary visual aids, q. Wildlife management r. Foreign object debris (FOD) control provisions. s. Hazardous materials (HAZMA 1)
management. t. NOTAM issuance. u. Inspection requirements, v. Procedures for locating and protecting existing underground utilities, cables, wires, pipelines, and other underground facilities
in excavation areas. w. Procedures for contacting responsible representatives/points of contact for all involved parties, This should include off-duty contact infonnation so an immediate
response may be coordinated to correct any construction-related activity that could adversely affect the operational safety of the airport. Particular care should be taken to ensure
that appropriate Airways Facilities personnel are identified in the event that an unanticipated utility outage or cable cut occurs that impacts FAA NAVAlDs. x. Vehicle operator training.
y. Penalty provisions for noncompliance with airport rules and regnlations and the safety plan (e,g., ifa vehicle is involved in a runway incursion). z. Any special conditions that affect
the operation of the airport and will require a portion ofthe safety plan to be activated (e.g., low-visibility operations, snow removal), Section 2. Safety and Security Measures 2-3.
OVERVIEW. Airport operators are responsible for closely monitoring tenant and construction contractor activity during the construction project to ensure continual compliance with all
safety and security requirements, Airports subject to 49 CFR part 1542, Airport Security, must meet standards for access control, movement of ground vehicles, and identification ofconstruction
contractor and tenant personneL In addition, airport operators should use safety prognun standards, as described in Chapter 3 of this AC, to develop specific safety measures to which
tenants and construction contractors must adhere throughout the duration of construction activities. General safety provisions are contained in AC 150/5370-I0, Standards for Specifying
Construction of Airports, paragraphs 40·05, "Maintenance of Traffic"; 70.08, "Barricades, Waming Signs, and Hazard Markings"; and 80-04, "Limitation of Operations." At any time during
construction, aircraft operations, weather, security, or local airport rules may dictate more stringent safety measures. The airport operator should ensure that both genera! and specific
safety requirements are coordinated with airport tenants and A TCT personnel. The airport operator should also include these parties in the coordination of all bid documents, construction
plans, and specifications for on-airport construction projects. 2·4. VEHICLE OPERATION AND MARKING AND PEDESTRIAN CONTROL. Vehicle and pedestrian access routes for airport construction
projects must be controlled to prevent inadvertent or unauthorized entry ofpersons, vehicles, or animals onto the AOA This includes aircraft movement and nonmovement lU'eas. The airport
operator should develop and coordinate a construction vehicle plan with airport tenants, contractors, and the A TeT. The safety plan or invitation for bid should include specific vehicle
and pedestrian requirements, The vehicle plan should contain the following items: a. Airport operator's rules and regulations for vehicle marking, lighting, and operation. b. Requirements
for marking and identifYing vehicles in accordance with AC 150/5210-5, Painting. Marking. andLighting ofVehicles Used on an Airporl, c. Description ofproper vehicle operations on movement
and nonmovement areas under nonnal, lost communications, and emergency conditions. d. Penalties for noncompliance with driving rules and regulations. Co Training requirements for vehicle
drivers to ensure compliance with the airport operator's vehicle rules and regulations. f. Provisions for radio communication training for construction contractor personnel engaged in
construction activities around aircraft movement areas. Some drivers, 4 
1117103 AC 15015370-2E such as construction drivers under escort, may not require this training. g. Escort procedures for construction vehicles requiring access to aircraft movement
areas. A vehicle in the movement area must have a working aviation-band, two-way radio unless it is under escort. Vehicles can be in closed areas without a radio ifthe closed area is
properly marked and lighted to prevent incursions and a NOTAM regarding the closure is issued. h. Monitoring procedures to ensure that vehicle drivers are in compliance with the construction
vehicle plan. t Procedures for, ifappropriate, personnel to control access through gates and fencing or across aircraft movement areas. 2·5. CONSTRUCTION EMPLOYEE PARKING AREAS. Designate
in advance vehicle parking areas for contractor employees to prevent any unauthorized entry of persons or vehicles onto the airport movement area. These areas should provide reasonable
contractor employee access to the j ob site. 2-6. CONSTRUCTION VEHICLE EQUIPMENT PARKING. Construction employees must park and service all construction vehicles in an area designated
by the airport operator outside the runway safety areas and OFZs and never On a closed taxiway or runway. Employees should also park construction vehicles outside the OF A when not in
use by construction personnel (e.g., overnight, on weekends, or during other periods when construction is not active). Parking areas must not obstruct the clear line of sight by the
ATCT to any taxiways or runways under air traffic control nor obstruct any runway visual aids, signs, Or navigational aids. The FAA must also study those areas to determine effects On
14 CFR part 77, Objects Affecting Navigable Airspace, sOOacos (see paragraph 2-13 for further information). 2-7. RADIO COMMUNICA TlON TRAINING. The airport operator must ensure that
tenant and construction contractor personnel engaged in activities involving unescorted operation on aircraft movement areas observe the proper procedures for communications, including
using appropriate radio frequencies at airports with and without A TCTs. Training of contractors on proper communication procedures is essential for maintaining airport operational safety.
When operating vehicles on or near open runways or taxiways, construction personnel must understand the critical importance of maintaining radio contact with airport operations, ATCT,
or the Common Traffic Advisory Frequency, which may include UNICOM, MUL TICOM, or one ofthe FAA Flight Service Stations (FSS), as directed by airport management. Vehicular traffic crossing
active movement areas must be controlled either by two-way radio with the ATCT, escort, flagman, signallighl, or olher means appropriate for the particular airport. Vehicle drivers must
conf'1fID by personal observation that no aircraft is approaching their position when given clearance to cross a runway. In addition, it is the responsibility ofthe escort vehicle driver
to verilY the movement/position of all escorted vehicles at any given lime. Even though radio communication is maintained, escort vehicle drivers must also familiarize themselves with
ATCT light gun siguals in the evenl ofradio failure (see the FAA safety placard "Ground Vehicle Guide to Airport Signs and Markings"). This safety placard may be ordered through the
Runway Safety Program Web site at http://www.faarsp.org or obtained from the Regional Airports Division Office. 2·8. FENCING AND GATES. Airport operators and contractors must take care
to maintain a high level ofsafety and security during construction when access points are created in the security fencing to permit the passage of construction vehicles or personnel.
Temporary gates should be equipped so they can be securely closed and locked to prevent access by animals and people (especially minors). Procedures should be in place to ensure that
only authorized persons and vehicles have access to the AOA and to prohibit "piggybacking" behind another person or vehicle. The Department of Transportation (DOT) document DOTIFANAR-OO/S2,
Recommended Security Security Guidelines for Airport Planning and Construction, provides more specific information on fencing. A copy of this 􀁤􀁯􀁣􀁾􀁭􀁥􀁮􀁴􀀠can be obtained from the
Airport Consultants Councll, Airports Council international, or American Association of Airport Executives. Section 3. Notification of Construction Activities 2-9. GENERAL. In order
to maintain the desired levels of operational safety on airports during construction activities, the safety plan should contain the notification actions described below. 5 
1/17/03 · 2-10. ENSURING PROMPT NOTIFICATIONS. The airport operator should establish and follow procedures for the immediate notification ofairport users and the FAA ofany conditions
adversely affecting the operational safety of an airport, 2-11. NOTICES TO AIRMEN (NOTAMS). The airport opemtor must provide information on closed or hazardous conditions on airport
movement areas to the FSS so it can issue a NOT AM. The airport operator must coordinate the issuance, maintenance, and cancellation of NOTAMs about airport conditions resulting from
construction activities with tenants and the local air traffic facility (control tower, approach control, or air traffic control center. Refer to AC 150/5200-28, Notices to Airmen (NOTAMs)
for Airport Operators, and Appendix 4 in this AC for a sample NOT AM form, Only the FAA may issue or cancel NOT AMs on shutdown or irregular operation of FAA-owned facilities, Only the
airport operator or an authorized representative may issue or cancel NOTAMs on airport conditions, (The airport owner/operator is the only entity that can close or open a runway,) Tue
airport operator must file and maintain this list of authorized representatives with the FSS. Any person having reason to believe that a NOT AM is missing, incomplete, or inaccurate
must notifY the airport operator, 2-12. AIRCRAFT RESCUE AND FIRE FIGHTING (ARFF) NOTIFICATION. The safety plan must provide procedures for notifYing ARFF personnel, mutual aid providers,
and other emergency services if construction requires shutting off or otherwise disrupting any water line or fire hydrant on the airport or adjoining areas and if contractors work with
hazardous material on the airfield, Notification procedures must also he developed for notifying ARFF and all other emergency personnel when the work performed will close or affect any
emergency routes. Likewise, the procedures must address appropriate notifications when services are restored, 2-13. NOTIFICATION TO THE FAA. For certain airport projects, 14 CFR part
77 requires notification to the FAA. In addition to applications made for Federally funded construction, 14 CFR part 157, Notice of Construction, Alteration, Activation, and Deactivation
of Airports, requires that the airport operator notifY the FAA in writing whenever a non-Federally funded project involves the construction ofa new airport; the construction, realigning,
altering, activating, or abandoning ofa runway, landing strip, or associated taxiway; or the deactivation or abandoning of an entire airport, Notification involves submitting FAA Form
7480-1, Notice of Landing Area Proposal, to the nearest FAA Regiona! Airports Division Office or Airports District Office, Also, any person proposing any kind of construction or alteration
of objects that affect navigable airspace, as defined in 14 CFR part 77 must notify the FAA. This includes construction equipment and proposed parking areas for this equipment (Le" cranes,
graders, etc,). FAA Form 7460-1, Notice of Proposed Construction or Alteration, can be used for this purpose and submitted to the FAA Regional Airports Division Office or Airports District
Office. (See AC 70n460-2, Proposed Construction or Alteration ofObjects that May Affect the Navigable Airspace.) If construction opemtions require a shutdown of an airport owned NA V
AID from service for more than 24 hours or in excess of4 hours daily on consecutive days, we recommend a 45-day minimum notice prior to facility shutdown, Coordinate work for aFAA owned NAVAID shutdown with the local FAA Airways Facilities Office, In addition, procedures that address unanticipated utility outages and cable cuts that could impact FAA NA V AIDs
must be addressed, 2-14. WORK SCHEDULING AND ACCOMPLISHMENT. Airport operators-or tenants having construction on their leased properties-<!hould use predesign, prebid, and preconstruction
conferences to introduce the subject of airport operational safety during construction (see AC 150/5300-9, Predesign, Prebid, andPreconstruction Coriferencesfor Airport Grant Projects).
The airport operator, tenants, aod construction contractors should integrate operational safety requirements into their planning and work schedules as early as practical. Operational
safety should he a standing agenda item for discussion during progress meetings throughout the project. The contractor and airport operator should carry out onsite inspections throughout
the project and immediately remedy any deficiencies, whether caused by negligence, oversight, or proj ect scope change, 6 
1/17103 AC 150/5370-2E CHAPTER 3. SAFETY STANDARDS AND GUIDELINES Section 1. Runway and Taxiway Safety Areas, Obstacle-Free Zones, and Object-Free Areas 3-1. OVERVIEW. Airport operators
must use these safety guidelines when preparing plans and specifications for construction activities in areas that may interfere with aircraft operations. The safety plan should recognize
and address these standards for each airport construction project. However, the safety plan must reflect the specific needs ofa particular project, and for this reason, these safety
guidelines should not be incorporated verbatim into project specifications. For additional guidance on meeting safety and security requirements, refer to the planning guide template
included in Appendix 3 of this AC. 3-2. RUNWAY SAFETY AREA (RSA)I OBSTACLE-FREE ZONE (OFZ). A runway safety area is the defined surface surrounding the runway prepared or suitable for
reducing the risk of damage to airplanes in the event ofan undershoot, overshoot, or excursion from the runway (see AC 150/5300-13, Airport Design). Construction activities within the
standard RSA are subject to the following conditions: B. Runway edges. (1) No construction may occur closer than 200 feet (60m) from the runway centerline unless the runway is closed
or restricted to aircraft operations, requiring an RSA that is equal to the RSA width available during construction, or 400 feet, whichever is less (see AC 150/5300-13, Tables 3-1 through
3-3). (2) Personnel, material, andlor equipment must not penetrate the OFZ, as defined in AC 150/530013. (3) The airport operator must coordinate the construction activity in the RSA
as permitted above with the A TCT and the FAA Regional Airports Division Office or appropriate Airports District Office and issue a local NOTAM. b. Runway ends. (1) An RSA must be maintained
ofsuch dimensions that it extends beyond the end of the runway a distance equal to that which existed before construction activity, unless the runway is closed or restricted to aircraft
operations for which the reduced RSA is adequate (see AC 15015300-13). The temporary use ofdeclared distances andlor partial runway closures may help provide the necessary RSA. In addition,
all personnel, materials, andlor equipment must remain clear of the applicable threshold siting surfaces, as de:fmed in Appendix 2, "Threshold Siting Requirements," of AC 150/5300-13.'
Consult with the appropriate FAA Regional Airports Division Office or Airports Districtpffice to determine the appropriate approach surface required. (2) Personnel, material, andlor
equipment must not penetrate the OFZ, as defined in AC 150/530013. (3) The safety plan must provide procedures for ensuring adequate distance for blast protection, if required by operational
considerations. (4) The airport operator must coordinate construction activity in this portion of the RSA with the ATCT and the FAA Regional Airports Division Office or appropriate Airports
District Office and issue a local NOTAM. c. Excavations. (1) Construction contractors must prominently mark open trenches and excavations at the construction site with red or orange
flags, as approved by the airport operator, and light them with red lights during hours of restricted visibility or darkness. (2) Opeo trenches or excavations are not permitted within
200 fuet (60m) of the runway centerline and at least the existing RSA distance from the runway threshold while the runway is opeo. Ifthe runway must be opened before excavations are
backfiUed, cover the excavations appropriately. Coverings for open trenches or excavations must be ofsufficient strength to support the weight of the heaviest aircraft operating on the
runway. 3-3. TAXIWAY SAFETY AREAS/OBJECTFREE AREAS. a. Unrestricted construction activity is permiSSible adjacent to taxiways when the taxiway is restricted to aircraft such that the
available taxiway safety area is equal 'If a full safely area cannot be obtained through declared distances and partial closures, or other methods sueh as alternate runway use, construction
activity may operate in the RSA as long as eonditions cited in paragraph 3-lb(2) thru (4) are met. ln addition, various surfaces outlined in AC 15015300-13 and Terminal Instrument Procedures
(fERPS) must be protected through an aeronautieal study. 7 
1117103 AC 15015370-2E to at least Y:i ofthe widest wingspan afthe aircraft expected to use the taxiway and the available taxiway object-free area is equal to at least.7 times the widest
wingspan plus 10 feet. (See AC 15015300-13 for guidance on taxiway safety and object-free areas.) Construction activity may be accomplished closer to a taxiway, subject to the following
restrictions: (1) The activity is first coordinated with the airport operator. (2) Appropriate NOTAMs are issued. (3) Marking and lighting meeting the provisions ofparagraph 3-9 are
implemented. (4) Adequate clearance is maintained between equipment and materials and any part ofan aircraft. If such clearance can only be maintained ifan aircraft does not have full
use of the entire taxiway width (with its main landing gear at the edge ofthe pavement), then it will be necessary to move personnel and equipment for each passing aircraft. In these
situations, flag persons will be used to direct construction equipment, and wing walkers may be necessary to guide aircraft. Wing walkers should be airlinelaviation personnel rather
than construction workers. b. Construction contractors must prominently mark open trenches and excavations at the construction sile, as approved by the airport operator, and light them
with red lights during hours of restricted visibility or darkness e. Excavations and open trenches may be pennitted up to the edge of a structural taxiway and apron pavement provided
the dropoff is marked and lighted per paragraph 3-9, "Hazard Marking and Lighting." Section 2. Temporary Runway Thresholds 3-4. OVERVIEW. Construction activity in a runway approach area
may result in the need to partially close a runway or displace the existing runway threshold. In either case, locale the threshold in accordance with Appendix 2 ofAC 15015300-13, Airport
Design. Objects that do not penetrate these surfaces may still be obstructions to air navigation and may affect standard instrument approach procedures. Coordinate these objects with
the FAA's Regional Airports Office or appropriate Airports District Office, as necessary. Refer to the current edition of AC 15015300-13 for guidance on threshold siting requirements.
The partial runway closure, the displacement ofthe runway threshold, as well as closures oflhe complete runway and other portions of the movement area also requires coordination with
appropriate ATCT personnel and airport users. Caution regarding partial runway closures: When filing a NOT AM fur a partial runway closure, clearly state to FSS personnel that the portion
of pavement located prior to the threshold is not available for landing and departing traffic. In this case, the threshold has been moved for both landing and takeoff purposes (this
is different than a displaced threshold). Example NOTAM: "North 1,000 feet ofRunway 18136 is closed; 7,000 feet remain available on Runway 18 and Runway 36 for arrivals and departures."
There may be situations where the portion ofclosed nmway is available fur taxiing only. If so, the NOTAM must reflect reflect this condition. Caution regarding displaced thresholds:
Implementation of a displaced threshold affects runway length available for aircraft landing over the displacement. Depending on the reason for the displacement (to provide obstruction
clearance or RSA), such a displacement may also require an adjustment in the landing distance available and accelerate-stop distance available in the opposite direction. Ifproject scope
includes personnel, equipment, excavation, etc. within the RSA ofany usable nmway end, we do not recommend a displaced threshold unless arrivals and departures toward the construction
activity are prohibited. instead, implement a partial closure. 3-5. MARKING GUIDELINES FOR TEMPORARY THRESHOLD. Ensure that markings for temporary displaced thresholds are clearly visible
to pilots approaching the airport to land. When construction personnel and equipment are located close to any threshold, a temporary visual NA VAID, such as nmway end identifier lights
(REIL), may be required (even on unlighted runways) to define the new beginning ofthe runway clearly. A visual vertical guidance device, such as a visual approach slope indicator (VASI),
pulse light approach slope indicator (PLASI), or precision approach path indicator (PAPI), may be necessary to assure landing clearance over personnel, vehicles, equipment, andlor above-grade
stockpiled materials. Ifsuch devices are installed, ensure an appropriale descriptive NOTAM is issued to inform pilots of these conditions. The current edition of AC 15015340-1, Standards
for Airport Markings, describes standard marking colors and layouts. In addition, we recommend that a temporary nmway threshold be marked using the following guidelines: a. Airport markings
must be clearly visible to pilots; not misleading, confusing, or deceptive; secured in place to prevent movement by prop wash,jet blast, wing vortices, or other wind currents; and constructed
of 8 
materials that would minimize damage to an aircraft in the event of inadvertent contact. (1) Pavement markings for temporary closed portions of the runway should consist of yellow chevrons
to identifY pavement areas that are unsuitable for takeoff/landing (see AC 150/5340-1). If unable to paint the markings on the pavement, construct them from any of the following materials:
double-layered painted snow fence, colored plastic, painted sheets of plywood, or similar materials. They must be properly configured and secured to prevent movement by prop wash, iet
blast, or other wind currents. (2) It may be necessary to remove or cover runway markings, such as runway designation markings and aiming point markings, depending on the length of construction
and type ofactivity at the airport. (3) When threshold markings are needed to identifY the temporary beginning of the runway that is available for landing, use a white threshold bar
ofthe dimensions specified in AC 150/5340-1. (4) Iftemporary outboard elevated or flush threshold bars are used, locate them outside ofthe runway pavement surface, one on each side of
the runway. They should be at least 10 feet (3m) in width and extend outboard from each side of the runway so they are clearly visible to landing and departing aircraft. These threshold
bars are white. If the white threshold bars are not discernable on grass or snow, apply a black background with appropriate niaterial over the ground to ensure the markings are clearly
visible. (5) A temporary threshold may also be marked with the use of retroreflective, elevated markers. One side of such markers is green to denote the approach end of the runway; the
side that is seen by pilots on rollout is red. See AC 150/5345-39, FAA Specification L853, Runway and Taxiway Retroreflective Markers. (6) At 14 CFR part 139 certificated airports, temporary
elevated threshold markers must be mounted with a frangible fitting (see 14 CFR part 139.309). However, at noncertificated airports, the temporary elevated threshold markings may either
be mounted with a frangible fitting or be flexible. See AC 150/5345-39. b. The application rate of the paint to mark a shortterm temporary runway threshold may deviate from the standard
(see Item P-620, "Runway and Taxiway Painting," in AC 150/5370-10, Standards/or SpecifYing Construction 0/Airports), but the dimensions must meet the existing standards, unless coordinated
with the appropriate offices. c. When a runway is partially closed, the distance remaining signs for aircraft landing in the opposite direction should be covered or removed during the
construction. 3-6. LIGHTING GUIDELINES FOR TEMPORARY THRESHOLD. A temporary runway threshold must be lighted if the runway is lighted and it is the intended threshold for night landings
or instrument meteorological conditions. We recommend that temporary threshold lights and related visual NA V AIDs be installed outboard of the edges ofthe full-strength pavement with
bases at grade level or as low as possible, but not to exceed 3 inches (7.6cm) above above ground. When any portion ofa base is above grade, place properly compacted fill around the
base to minimize the rate ofgradient change so aircraft can, in an emergency, cross at normal landing or takeoff speeds without incurring significant damage (see AC 150/5370-10). We
recommend that the following be observed when using temporary runway threshold lighting: a. Maintain threshold and edge lighting color and spacing standards as described in AC 150/5340-24,
Runway and Taxiway Edge Lighting System. Battery-powered, solar, or portable lights that meet the criteria in AC 150/5345-50, Specification/or Portable Runway Lights, may be used. These
systems are intended primarily for visual flight rules (VFR) aircraft operation but may be used for instrument flight rules (lFR) aircraft operations, upon individual approval from the
Flight Standards Division of the applicable FAA Regional Office. b. When the runway has been partially closed, disconnect edge and threshold lights with associated isolation transformers
on that part of the runway at and behind the threshold (i.e., the portion of the runway that is closed). Alternately, cover the light fixture in such a way as to prevent light leakage.
Avoid removing the lamp from energized fixtures because an excessive number of isolation transformers with open secondaries may damage the regulators and/or increase the current above
its normal value. c. Secure, identifY, and place any temporary exposed wiring in conduit to prevent electrocution and fue ignition sources. d. Reconfigure yellow lenses (caution zone),
as necessary. If the runway has centerline lights, reconfigure the red lenses, as necessary, or place the centerline lights out ofservice. e. Relocate the visual glide slope indicator
(V GSI), such as V ASI and PAPI; other airport lights, such as REIL; and approach lights to identifY the temporary threshold. Another option is to disable the VGSI or any equipment that
would give misleading indications to pilots as to the new threshold location. Installation of temporary visual aids may be necessary to provide adequate guidance to pilots on approach
to the affected runway. If the FAA owns and operates the VGSI, 9 
AC 150/5370-2E 1117/03 coordinate its installation or disabling with the local f. Issue a NOTAM to inform pilots of temporary Airway Facilities Systems Management Office. lighting conditions.
Section 3. Other Construction Marking and lighting Activities 3-7. OVERVIEW. Ensure that construction areas, including closed nmways, are clearly and visibly separated from movement
areas and that hazards, facilities, cables, and power lines are identified prominently for construction contractors. Throughout the duration ofthe construction project, verify that these
areas remain clearly marked and visible at all times and that marking and lighting aids remain in place and operational. Routine inspections must be made oftemporary construction lighting,
especially batterypowered lighting since weather conditions can limit battery life. 3-8. CLOSED RUNWAY AND TAXIWAY MARKING AND LIGHTING. Closed runway markings consist ora yellow "X"
in compliance with the standards ofAC 150/5340-1, Standards for Airport Markings. A very effective and preferable visual aid to depicttemporary closure is the lighted "X" signal placed
on or near the runway designation numbers. This device is much more discernible to approaching aircraft than the other materials described. Tfthe lighted "X" is not available, construct
the marking ofany of the following materials: double-layered painted snow fence, colored plastic, painted sheets of plywood, or similar materials. They must be properly configured and
secured to prevent movement by prop wash, jet blast, or other wind currents. In addition, the airport operator may install barricades, traffic cones, activate stop bars, or other acceptable
visual devices at major entrances to the runways to prevent aircraft from entering a closed portion ofrunway. The placement ofeven a single reflective barricade with a "do not enter"
sign on a taxiway centerline can prevent an aircraft from continuing onto a closed runway. Ifthe taxiway must remain open for aircraft crossings, barricades or markings, as described
above or in paragraph 3-9, should be placed on the runway. a. Permanently closed runways. For runways and taxiways that have been permanently closed, disconnect the lighting circuits.
For runways, obliterate the threshold marking, runway designation marking, and touchdown zone markings, and place "X's" at each end and at 1,000-foot (300-m) intervals. For taxiways,
place an "X" at the entrance ofthe closed taxiway. b. Temporarily closed runway and taxiways. For runways that have been temporarily closed, place an "X" at the each end ofthe runway.
With taxiways, place an "X" at the entrance ofthe closed taxiway. c. Temporarily closed airport. When the airport is closed temporarily, mark the runways as closed and tum offthe airport
beacon. d. Permanently closed airports When the airport is closed permanently, mark the runways as permanently closed, disconnect the airport beacon, and place an "X" in the segmented
circle or at a ceotrallocation if no segmented circle exists. 3-9. HAZARD MARKING AND LIGHTING. Provide prominent, comprehensible warning indicators for any area affected by construction
that is normally accessible to aircraft, personnel, or vehicles. Using appropriate hazard marking and lighting may prevent damage, injury, traffic delays, and/or facility closures. Hazard
marking and lighting must restrict access and make specific hazards obvious to pilots, vehicle drivers, and other personnel. Barricades, traffic cones (weighted or sturdily attached
to the surface), or flashers are acceptable methods used to identify and define the limits ofconstruction and hazardous areas on airports. Provide temporary hazard marking aod lighting
to prevent aircraft from taxiing onto a closed nmway for takeoff and to identify open manholes, small areas under repair, stockpiled material, and waste areas. Also consider less obvious
construction-related hazards and include markings to identify FAA, airport, and National Weather Service facilities cables and power lines; instrument landing system (ILS) critical areas;
airport surfaces, such as RSA, OF A, and OFZ; and other sensitive areas to make it easier for contractor personnel to avoid these areas. The construction specifications must include
a provision requiring the contractor to have a person on cal! 24 hours a day for emergency maintenance of airport hazard lighting and barricades. The contractor must file the contact
person's information with the airport. a. Nonmovernent areas. Indicate constrnction locations on nonrnovement areas in which no part ofan aircraft may enter by using barricades that
are marked with diagonal, alternating orange and white stripes. Barricades may be supplemented with alternating 10 
1/17/03 orange and white flags at least 20 by 20 inches (50 by 50 cm) square and made and installed so they are always in an extended position, properly oriented, and securely fustened
to eliminate jet engine ingestion. Such barricades may be many different shapes and made from various materials, including railroad ties, sawhorses, jersey barriers, or barrels. During
reduced visibility or night hours, supplement the barricades with red lights, either flashing or steady-burning, which should meet the luminance requirements ofthe State Highway Department
(yellow lights are not acceptable after October I, 2004). The intensity ofthe lights and spacing for barricade flags and lights must adequately and without ambiguity delineate the hazardous
area. b. Movement areas. Use orange traffic cones; red lights, either flashing or steady-burning, which should meet the luminance requirements of the State Highway Department (yellow
lights are not acceptable after October I, 2004); collapsible barricades marked with diagonal, alternating orange and white stripes; and/or signs to separate all construction/maintenance
areas from the movement area. All barricades, temporary markers, and other objects placed and left in safety areas associated with any open runway, taxiway, or !axilane must be as low
as possible to the ground; of low mass; easily collapsible upon contact with an aircraft or any of its components; and weighted or sturdily attached to the surface to prevent displacement
from prop wash, jet blast, wing vortex, or other surface wind currents. I f affixed to the surface, they must be frangible at grade level or as low as possible, but not to exceed 3 inches
(7.6cm) above the ground. Do not use nonfrangible hazard markings, such as concrete barriers andlor metal-drum-type barricades, in aircraft movement areas. Do not use railroad ties on
runways. Use highly reflective barriers with flashing or steadyburning red lights ro barricade taxiways leading to closed runways. Evaluate all operating factors when determining how
how to mark temporary closures that can last from to to 15 minutes to a much longer period of time. However, we strongly recommend that, even for closures of relatively short duration,
major taxiway/runway intersections be identified with barricades spaced no greater than 20 feet (6m) apart. Mark the barricades with a flashing or steady-burning red light. At a minimum,
use a single barricade placed on the taxiway centerline. 3-10. CONSTRUCTION NEAR NAVIGATIONAL AIDS (NA V AIDS). Construction activities, materials/equipment storage, and vehicle parking
near electronic NA V AIDs require special consideration since they may interfere with signals essential to air navigation. Evaluate the effect of construction activity and the required
distance and direction from the NAV AID for each construction project. Pay particular attention to stockpiling material, as well as AC 150/5370·2E to movement and parking ofequipment
that may interfere with line ofsight from the ATCT or with electronic emissions. Interference from construction may require NA V AID shutdown or adjustment of instrument approach minimums
for IFR. This condition requires that a NOT AM be filed. Construction activities and materials/equipment storage near aNAV AID may also obstruct access to the equipment and instruments
for maintenance. Before commencing construction activity, parking vehicles, or storing construction equipment and materials near a NAV AID, consult with the nearest FAA Airway Facilities
Office. 3-11. CONSTRUCTION SITE ACCESS AND HAUL ROADS. Determine the construction contractor's access to the construction sites and haul roads. Do not permit the construction contractor
to use any access or haul roads other than those approved. Construction contracrors must submit specific proposed routes associated with construction activities to the airport operator
for evaluation and approval as part ofthe safety plan before beginning construction activities. These proposed routes must also provide specifications to prevent inadvertent entry to
movement areas. Pay special attention to ensure that ARFF right of way on access and haulroads is not impeded at any time and that construction traffic on haul roads does not interfere
with NA V AIDs or approach surfaces ofoperational runways. 3-12. CONSTRUCTION MATERIAL STOCKPILING. Stockpiled materials and equipment srorage are not permitted within the RSA and OFZ
ofan operational runway. The airport operator must ensure that stockpiled materials and equipment adjacent to these areas are prominently marked and lighted during hours ofrestricted
visibility or darkness. This includes determining and verif'ying that materials are stored at an approved location to prevent foreign object damage and attraction of wildlife. 3-13.
OTHER LIMITATIONS ON CONSTRUCTION. Contractors may not use open-flame welding or torches unless adequate fire safety precautions are provided and the airport operator has approved their
use. Under no circumstances should flare pots be used within the AOA at any time. The use of electrical blasting caps must not be permitted on or within 1,000 feet (300m) of the airport
property (see AC 150/5370-10, Standardsfor Specifying Construction ofAirports). 11 
1117103 AC 1501537()"2E 3-14. FOREIGN OBJECT DEBRIS (FOD) MANAGEMENT. Waste and loose materials, commonly referred to as FOD, are capable ofcausiog damage to aircraft landing gears,
propellers, and jet engines. Construction contractors must not leave or place FOD On or near active aircraft movement areas. Materials tracked onto these areas must be continuously removed
during the construction project. We also recommend that airport operators and construction contractors carefully contrul and continuously remove waste or loose materials that might attract
wildlife. Section 4. Safety Hazards and Impacts 3-15. OVERVIEW. The situations identified below are potentially hazardous conditions that may occur during airport construction projects.
Safety area encroachments, unauthorized and improper ground vehicle operations, and unmarked or uncovered holes and trenches near aircraft operating surfuces pose the most prevalent
threats to airport operational safety during airport construction projects. Airport operators and contractors should consider the following when performing inspections ofconstruction
activity: a. Excavation adjacent to runways, taxiways, and aprons. b. Mounds ofearth, construction materials, temporary structures, and other obstacles near any open runway, taxiway,
or taxilane; in the related object-free area and aircraft approach or departure areas/zones; or obstructing any sign or marking. c. Runway resurfacing projects resulting in lips exceeding
3 ioches (7.6cm) from pavement edges and ends. d. Heavy equipment (stationary or mobile) operating or idle near AOAs, in runway approaches and departures areas, or in OFZs. e. Equipment
or material near NA V AIDs that may degrade or impair radiated signals andlor the monitoriog of navigational and visual aids. Unauthorized or improper vehicle operations in localizer
or glide slope critical areas, resulting io electrunic ioterference andlor :fucility shutdown. f. Tall and especially relatively low-visibility units (i.e., equipment with slim profiles)---eranes,
drills, and similar objects--Iocated in critical areas, such as OFZs and approach zones. g. improperly positioned or malfunctioning lights or unlighted airport hazards, such as holes
or excavations, on any apron, open taxiway, or open taxilane or io a related safety, approach, or departure area. h. Obstacles, loose pavement, trash, and other debris on or near AOAs.
Construction debris (gravel, sand, mud, paviog materials, etc.) on airport pavements may result in aircraft propeller, turbine engine, or tire damage. Also, loose materials may blow
about, potentially causing personal injuty or equipment damage. i. Inappropriate or poorly maintaioed fencing during construction intended to deter human and animal intrusions into the
AOA. Fenciog and other markings that are ioadequate to separate construction areas from open AOAs create aviation hazards. j. Improper or ioadequate marking or lighting of runways (especially
thresholds that have been displaced or runways that have been closed) and taxiwaysthat could could cause pilot confusion and provide a potential for a runway iocursion. Inadequate or improper methods ofmarking, barricading, and lighting oftemporarily closed portions
of AOAs create aviation hazards. k. Wildlife attractants-such as trash (food scraps not collected from construction personnel activity), grass seeds, or ponded water-on or near airports.
I. Obliterated or faded markings on active operational areas. m. Misleading or malfunctioning obstruction lights. Unlighted or unmarked obstructions in the approach to any open runway
pose aviation hazards. n. Failure to issue, update, or cancel NOTAMs ahout airport or runway closures or other construction-related airport conditions. o. Failure to mark and identify
utilities or power cables. Damage to utilities and power cables during construction activity can result in the loss of runway/taxiway lighting; loss of navigational, visual, or approach
aids; disruption ofweather reporting services; andlor loss ofcommunications. p. Restrictions on ARFF access access from ftre stations to the runway-taxiway system or airport buildings.
q. Lack ofradio communications with construction vehicles in airport movement areas. r. Objects, regardless of whether they are marked or flagged, or activities anywhere on or near an
airport 12 
1117/03 that could be distracting, confusing, or alarming to pilots during aircraft operations. s. Water, snow, dirt, debris, or other contaminants that temporarily obscure or derogate
the visibility of runway/taxiway marking, lighting, and pavement edges. Any condition or factor that obscures or diminishes the visibility of areas under construction. t. Spillage from
vehicles (gasoline, diesel fuel, oil, etc.) on active pavement areas, such as runways, taxiways, ramps, and airport roadways. u. Failure to maintain drainage system integrity during
construction (e.g., no temporary drainage provided when working On a drainage system). v. Failure to provide for proper electrical lockout and tagging procedures. At larger airports
with multiple maintenance shifts/workers, construction contractors should make provisions for coordinating work on circuits. w. Failure to control dust. Consider limiting the amount
ofarea from which the contractor is allowed to strip lUrf. x. Exposed wiring that creates an electrocution electrocution or flTe ignition hazard. IdentilY and secure wiring, and place
it in conduit or bury it. y. Site burning, which can cause possible obscuration. z. Construction work taking place outside of designated work areas and out of phase. 13 
1117103 AC 15015370-2E APPENDIX 1. RELATED READING MATERIAL 1. Obtain the latest version of the following free publications from the FAA on its Web site at http://www.faa.gov/arpl. In
addition, these ACs are available by contacting the U.S. Department of Transportation, Subsequent Distribution Office, SVC121.23, Ardmore East Business Center, 3341 Q75th Avenue, Landover,
MD 20785. a. AC 15015200-28, Notices 10 Airmen (NOTAM) for Airport Operators. Provides guidance for the use of the NOTAM System in airport reporting. b. AC 15015200-30, Airporl Winter
Safety and Operations. Provides guidance to airport owners/operators on the development ofan acceptable airport snow and ice control program and on appropriate field condition reporting
procedures. c. AC 150/5200-33, Hazardous Wildlife Attractants On or Near Airports. Provides guidance on locating certain land uses having the potential to attract hazardous wildlife
to public-use airports. d. AC 15015210-5, Painting, Marking, andLighting o/Vehicles Used on an Airport. Provides guidance, specifications, and standards for painting, marking, and lighting
vehicles operating in the airport air operations areas. e. AC 15015220-4, Water Supply SySlems/or Aircraft Fire and Rescue Protection. Provides guidance for the selection ofa water source
and standards for the design ofa distribution system to support aircraft rescue and fife fighting service opemtions on airports. f. AC 150/5340-1, Standards/or Airport Markings. Contains
FAA standards for markings used on airport runways, taxiways, and aprons. g. AC 15015340-14B, Economy Approach Lighting Aids. Describes standards for the design, selection, siting, and
maintenance of economy approach lighting aids. h. AC 15015340-18, Standards/or Airport Sign Systems. Contains FAA standards for the siting and installation ofsigns on airport runways
and taxiways. i. AC 15015345-28, Precision Approach Path Indicator (PAPI) Systems. Contains the FAA standards for PAPI systems, which provide pilots with visual glide slope guidance
during during approach for landing. j. AC 15015380-5, Debris Hazards at Civil Airports. Discusses problems at airports, gives information on foreign objects, and explains how to eliminate
such objects from operational areas. k. AC 70n460-2, Proposed Construction or Alteration a/Objects that May Affect the Navigable Airspace. Provides information to persons proposing to
erect or alter an object that may affect navigable airspace and explains the need to notify the FAA before construction begins and the FAA's response to those notices, as required by
14 CFR part 77. 2. Obtain copies of the following publications from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. Send a check or money order
made payable to the Superintendent of Documents in the amount stated with your request. The Government Printing Office does not accept C.O.D. orders. In addition, the FAA makes these
ACs available at no charge on the Web site at http://www.faa.gov/arp/. a. AC 15015300-13, Airport Design. Contains FAA standards and recommendations for airport design, establishes approach
visibility minimums as an airport design parameter, and contains the object-free area and the obstacle free-zone criteria. ($26. Sup!. Docs.) SN050-007-01208-0. b. AC 15015370-10, Standards/or
SpeciJYing Construction 0/Airports. Provides standards for construction of airports. Items covered include earthwork, drainage, paving, turfing, lighting, and incidental construction.
($18. Sup!. Docs.) SN050-OO70821-0. A-1 
AC 150/5370-2E 1/17/03 APPENDIX 2. DEFINITIONS OF TERMS USED IN THE AC 1. AIR OPERATIONS AREA (AOA). Any area of the airport used or intended to be used for the landing, takeoff, or
surface maneuvering ofaircraft. An air operations area includes such paved or unpaved areas that are used or intended to be used for the unobstructed movement ofaircraft in addition
to its associated runways, taxiways} or aprons. 2. CONSTRUCfION. The presence and movement of construction-related personnel, equipment, and materials in any location that could infringe
upon the movement of aircraft. 3. CERTIFICATED AIRPORT. An airport that has been issued an Airport Operating Certificate by the FAA under the authority of 14 CFR part 139, Certification
and Operation: Land Airports Serving Certain Air Carriers, or its subsequent revisions, 4. FAA FORM 7460-1, NOTICE OF PROPOSED CONSTRUCTION OR ALTERATION. The form submitted to the FAA
Regional Air Traffic or Airports Division Office as formal written notification ofany kind ofconstruction or alteration of objects that affect navigable airspace, as defined in 14 CFR
part 77, Objects Affeeting Navigable Airspace (see AC 70n460-2, Proposed Construction or Alteration a/Objects thai May Affoctthe Navigable Airspace, found at http://www.faa.gov/arpl).
5. FAA FORM 7480-1, NOTICE OF LANDING AREA PROPOSAL. Form submitted to the FAA Airports Regional Division Office or Airports District Office as formal written notification whenever a
project without an airport layout plan on file with the FAA involves the construction ofa new airport; the construction, realigning, altering, activating, or abandoning of a runway,
landing strip, or associated taxiway; or the deactivation or abandoning ofan entire airport (found at http://www,faa.gov/arpl). 6. MOVEMENT AREA. The runways, taxiways, and other areas
ofan airport that are used for taxiing or hover taxiing, air taxiing, takeoff, and landing ofaircraft, exclusive of loading ramps and aircraft parking areas (reference 14 CFR part 139).
7. OBSTRUCTION. Any Any object/obstacle exceeding the obstruction standards specified by 14 CFR part 77, subpartG. 8. OBJECT·FREE AREA (OFA). An area on the ground centered on the runway,
taxiway, Or taxilane centerline provided to enhance safety ofaircraft operations by having the area free ofobjects except for those objects that need to be located in the OF A for air
navigation or aircraft ground maneuvering pUIposes (see AC 15015300-13, Airport Design, for additional guidance on OF A standards and Wingtip clearance criteria), 9. OBSTACLE-FREE ZONE
(OFZ). The airspace below 150 feet (45m) above the established airport elevation and along the runway and extended runway centerline that is required to be clear of all objects, except
fur frangible visual NA V AIDs that need to be located in the OFZ because oftheir function, in order to provide clearance protection for aircraft landing or taking off from the runway
and for missed approaches (refer to AC 150/5300-13 for guidance on OFZs). 10. RUNWAY SAFETY AREA (RSA). A defined surfuce surrounding the runway prepared or suitable for reducing the
risk ofdamage to airplanes in the event ofan undershoot, overshoot, or excursion from the runway, in accordance with AC 150/5300-13. II. TAXIWAY SAFETY AREA. A defined surface alongside
the taxiway prepared or suitable for reducing the risk ofdamage to an airplane unintentionally departing the taxiway, in accordance with AC 150/530013, 12. THRESHOLD. The beginning ofthat
portion ofthe runway available for landing, In some instances, the landing threshold may be displaced, 13. DISPLACED THRESHOLD. The portion of pavement behind a displaced threshold that
may be available for takeoffs in either direction or landing from the opposite direction. 14. VISUAL GLIDE SLOPE INDICATOR (VGSI). This device provides a visual glide slope indicator
to landing pilots. These systems include precision approach path indicators (PAP!s), visual approach slope indicators (VAS!s), and pulse light approach slope indicators (PLASls), A-2

1/17103 AC 150/5370·2E APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE Aviation Safety Requirements During Construction PURPOSE. This appendix provides airport operators with
boilerplate format and language for developing a safety planfor an airport construction project. Adapt this appendix, as applicable, to specific conditions found on the airport for which
the plan is being developed. Consider including a copy ofthis safety plan in the construction drawings for easy access by contractor personnel. Plans should contain the following: l.
GENERAL SAFETY REQUIREMENTS. Throughout the construction project, the following safety and operational practices should be observed: • Operational safety should be a standing agenda
item during progress meetings throughout the construction project. • The contractor and airport operator must perform onsite inspections throughout the project, with immediate remedy
ofany deficiencies, whether caused by negligence, oversight, or project scope change. • Airport runways and taxiways should remain in use by aircraft to the maximum extent possible.
• Aircraft use ofareas near the contractor's work should be controlled to minimize disturbance to the contractor's operation. • Contractor, subcontractor, and supplier employees or any
unauthorized persons must be restricted from entering an airport area that would be hazardous. • Construction that is within the safety area ofan active runway, taxiway, or apron that
is performed under normal operational conditions must be performed when the runway, taxiway, or apron is closed or use·restricted and initiated only with prior permission from the airport
operator. • The contracting officer, airport operator, or other designated airport representative may order the 􀁣􀁯􀁮􀁴􀁲􀁾􀁣􀁴􀁑􀁲􀀠to suspend operations; move personnel, equipment,
and materials to a safe location; and stand by until aircraft use is completed. 2. CONSTRUCTION MAINTENANCE AND FACILITIES MAINTENANCE. Before beginning any construction activity, the
contractor must, through the airport operator, give notice [using the Notice to Airmen (NOTAM) System] ofproposed location, time, and date of commencement of construction. Upon completion
of work and return ofall such areas to standard conditions, the contractor must, through the airport operator, verify the cancellation ofall notices issued via the NOTAM System. Throughout
the duration ofthe construction project, the contractor must-a. Be aware of and understand the safety problems and hazards described in AC 150/5370·2, Operational Safety on Airports
During Construction. b. Conduct activities so as not to violate any safety standards contained in AC 150/5370·2 or any ofthe references therein. c. Inspect all construction and storage
areas as often as necessary to be aware of conditions. d. Promptly take all actions necessary to prevent or remedy any unsafe or potentially unsafe conditions as soon as they are discovered.
3. APPROACH CLEARANCE TO RUNWAYS. Runway thresholds must provide an unobstructed approach surface over equipment and materials. (Refer to Appendix 2 in AC 150/5300·13, Airport Design,
for guidance in this area.) 4. RUNWAY AND TAXIWAY SAFETY AREA (RSA AND TSA). Limit construction to outside ofthe approved RSA, as shown on the approved airport layout plan-unless the
runway is closed or restricted to aircraft operations, requiring a lesser standard RSA that is equal to the RSA available during construction (see AC 150/5370·2 for exceptions). Construction
activity within the TSA is permissible when the taxiway is open to aircraft traffic if adequate wingtip clearance exists between the aircraft and equipment/material; evacuations, trenches,
or other conditions are conspicuously marked and lighted; and local NOTAMs are in effect for the activity (see AC 150/5300·13 for wingtip clearance requirements). The NOTAM should state
that, "personnel and equipment are working adjacent to Taxiway __." a. Procedures for protecting runway edges. • Limit construction to no closer than 200 feet (60m) from the runway centerline-unless
the runway is closed or restricted to aircraft operations, requiring a lesser standard RSA A-3 
AC 150/5370·2E 1/17/03 that is equal to the RSA available during • Coordinate construction activity with the construction. Airport Traffic Control Tower (ATCT) and • Prevent personnel,
material, and/or equipment, as defined in AC 150/5300·]3 Paragraph 306, "Obstacle Free Zone ' (OFZ)," from penetrating the OFZ. FAA Regional Airports Division Office or Airports District
Office, and through the airport operator, issue an appropriate NOTAM. Complete the jollawing chart to determine the area that must be protectedalong the runway edges: 3, Airport Design.
to b. Procedures for protecting runway ends. • Maintain the RSA from the runway threshold to a point at least the distance from the runway threshold as existed before construction activity-unless
the runway is closed or restricted to aircraft operations, requiring an RSA that is equal to the RSA length available during construction in accordance with AC 150/5300·13. This may
involve the use of declared distances and partial fWlway closures (see AC 150/5370·2 for exceptions). • Ensure all personnel, materials, and/or equipment are clear ofthe applicable threshold
siting criteria surface, as defmed in Appendix 2, "Threshold Siting Requirements," of AC 150/5300·13. runway. • Prevent personnel, material, and/or equipment, as defined in AC 150/5300-13,
from penetrating the obstacle·free zone. • Ensure adequate distance for blast protection is provided, as needed. • Coordinate construction activity with the A TCT and FAA Regional Airports
Division Office or Airports District Office, and through the airport operator, issue an appropriate NOTAM. • Provide a drawing showing the profile ofthe appropriate surfuces ofeach fWlway
end where construction will take place. Where operations by turbojet aircraft are antiCipated, review takeoff procedures and jet blast characteristics of aircraft and incorporate safety
measures for construction workers in the contract documents. A-4 
1/17/03 AC 150/S370-2E Complete thefollowing chart to determine the area that must be protected before the rulTWay threshold: 􀁟􀁾􀀧􀁆􀁅􀁅􀁔􀀠. 1 to __,FEET __,Ito __.'FEET __,Ito 􀁄􀀨􀁊􀁉􀁾􀀬􀀺􀀾􀁕�
�􀁈􀁪􀀮􀀱􀀧􀁭􀁛􀁬􀀨􀀩􀁲􀁴􀀠Design, to runway. 5. MARKING AND LlGHTING FOR TEMPORARY THRESHOLDS. Marking and lighting for a temporary threshold is __lis not__ required. The airport owner
or contractor, as specified in the contract, will furnish and maintain markings for temporary thresholds. Precision approach path indicators (PAPls) or runway end identification lights
(REIL) are __/are not __ required. The airport owner or contractor, as specified in the contract, will furnish and install all temporary lighting. Include appropriate items per AC 150/5370-2,
Chapter 3, "Safety Standards and Guidelines." Ifmarking and lightingfor the temporary threshold is not required. delete this section ofthe safety plan. Ifvisual aids andlor markings
are necessary, provide delails. (Include applicable 14 CFR part 77 suifaces in in the conlract documents) 6. CLOSED RUNWAY MARKINGS AND LIGHTING. The following must be specified for
closed runways. Closed runway marking are __/are not__required. Closed runway markings will be as shown on the plans__/as furnished by the airport owner__/other__ (specify). Barricades,
flagging, and flashers are __/are not __required at Taxiway __ and Runway __and will be supplied by the airport __/other__(specify). 7. HAZARDOUS AREA MARKING AND LIGHTING. Hazardous
areas on the movement area will be marked with barricades, traffic cones, flags, or flashers (specify). These markings restrict access and make hazards obvious to aircraft, personnel,
and vehicles. During periods oflow visibility and at night, identify hazardous areas with red flashing or steady-burning lights (specify), The hazardous area marking and lighting will
be supplied by the airport operator/contractor, as specified in the contract, and will be depicted on the plans. 8. TEMPORARY LIGHTING AND MARKING. Airport markings, lighting, andlor
andlor signs will be altered in the following manner (specify) during the period from __to ___' The alterations are depicted on the plans. 9. VEHICLE OPERATION MARKING AND CONTROL, Include
the following provisions in the construction contract, and address them in the safety plans, a. When any vehicle, other than one that has prior approval from the airport operator, must
travel over any portion ofan aircraft movement area, it will be escorted and properly identified. To operate in those areas during daylight hours, the vehicle must have a flag or beacon
attached to it. Any vehicle operating on the movement areas during hours ofdarkness or reduced visibility must be equipped with a flashing dome-type light, the color of which is in accordance
with local or state codes. b. It may be desirable to clearly identify the vehicles for control purposes by either assigned initials or numbers that are prominently displayed on each
side of the vehicle. The identification symbols should be at minimum &-inch (20-em) block-type characters of a contrasting color and easy to read. They may be applied either by using
tape or a water-soluble paint to facilitate removal. Magnetic signs are also acceptable. In addition, vehicles must display identification media, as specified in the approved security
plan. (This seclion should be revised to conform to the airport operator's requirements.) A-5 
1117103 AC 15015370-2E c. Employee parking shall be :----:--:-_-;--:-_-;-;----::-_,-___ (specifY location), as designated by the airport manager __' project engineer lother (specifY).
d. Access to the job site shall be via._-;-;--:-__. (specifY route), as shown on the plans___/designated by the engineer ___/designated by the superintcndent___/designated by the airport
manager lother__(specifY). e. At 14 CFR part 139 certificated and towered airports, all vehicle operators having access to the movement area must be familiar with airport procedures
for the operation of ground vehicles and the consequences of noncompliance. f. If the airport is certificated andlor has a security plan, the airport operator should check for guidance
on the additional identification and control of construction equipment. 10. NAVIGATIONAL AIDS. The contractor must not conduct any construction activity within navigational aid restricted
areas without prior approval from the local FAA Airway Facilities sector representative. Navigational aids include instrument landing system components and very high-frequency omnidirectional
range, airport surveillance radar. Such restricted areas are depicted on construction plans. II. LIMITATIONS ON CONSTRUCTION. Additional limitations on construction include-a. Prohibiting
open-flame welding or torch cutting operations unless adequate fire safety precautions are provided and these operations have been authorized by the airport operator (as tailared to
conform to local requirements and restrictions). b. Prominent1y marking open trenches, excavations, and stockpiled materials at Ihe construction and lighting these obstacles during hours
ofrestricted visibility aed darkness. c. Marking and lighting closed, deceptive. and hazardous areas on airports, as appropriate. d. Constraining stockpiled material to prevent its movement
as a result orthe maximum anticipated aircraft blast and forecast wind conditions. 12. RADIO COMMUNICATIONS. Vehicular traffic located in or crossing an active movement area must have
a working two-way radio in contact with the control tower or be escorted by a person in radio contact with the tower. The driver, through personal observation, should confrrm that no
aircraft is approaching the vehicle position. Construction personnel may operate in a movement area without two-way radio communication provided a NOTAM is issued closing the area and
the area is properly marked to prevent incursions. Two-way radio communications are __/are not__required between contractors and the Airport Traffic Control Tower 􀁾􀀮__IFAA Flight Service
Station__/Airport Aeronautical Advisory Stations (UNICOMICTAF)___. Radio contact is lis not__required between the hours of__and __. Continuous monitoring is required __lor is required
only when equipment movement is necessary in certain areas__. (Fhis section may be tailored to suit the specific vehicle and sqfoty requirements ofthe airport sponsor.) 13. DEBRIS. Waste
and loose material must not be placed in active movement areas. Materials tracked onto these these areas must be removed continuously during the work project. A-6 
1f17/03 AC 150/5370-2E APPENDIX 4. SAMPLE NOTAM __________ 􀁁􀁾􀁏􀁒􀁔􀀠FAA NOTAM# ________________________ DATE: ______________ AIRPORT I.D. TIME: ________________ NOTAMTEXT: NOTIFICATON:
# # # # TOWER ####FSS _______ PHONE # PHONE # INITIALS INITIALS TIME TIME AIRLINES CALLED IN BY CALLED IN BY CANCELLED: NOTIFICATON: # # # # TOWER _________ PHONE # INITIALS TIME CALLED
IN BY ### #FSS PHONE # INITIALS TIME CALLED IN BY AIRLINES A-7 
I \' I· 1 ! 1' 1 I PROJECT NO. 8614 REPORT NO. 1 MARCH, 2002 "'.. , GEOTECHNlCAL INVESTIGATION ADDISON AIRPORT 􀁒􀁾􀁁􀁙􀁁􀁎􀁄􀁔􀁁􀁘􀁲􀁗􀁁􀁙􀁓􀀠ADDISON, TEXAS Presented To: COFFMAl"f
ASSOCIATES PHOENIX, ARIZONA 
I I I: Ii . I II I] II .1 I .1 I . " I 􀀬􀁾􀀮􀁟􀁊􀁾􀀠IPJr ' Jr,::=:---l o (J o. J \ "WI?""")' ;lC . . \lQ I I r--!o 400 BOO' 
PLANOFBORINGS Addison Airport Runway & Taxiwa . Addison, TexasY8 PLATE 1 
___ ___ ,--____.....;____--'_________________J....I<Jre!'E!ii.\i.d./iiJJen'glneerlnQ_·_--, GROUPAddison Airport. Pro iec! No. 8614 . Runway and Taxiways Addison. Texas Date: 02-10-02
Location: See Plate 1 . ". Pocket penetrometer Readings􀁾􀀮􀁕􀀧􀁊􀀠􀁾􀀧􀁩􀀠CORE \ Tons Per sq. Ft.: -.....:r: _" -􀁾􀁯􀀠LIJ' Standard Penetration Testsl-<U ""m 􀁾􀀠. Cl. <U 􀁾􀀺􀁳􀀺􀀠OESCllIPTI9N
OF STRATA Blows per Foot -+0:,.. U C c w-film 􀁾􀀠w co . w (J> a: a: c ., 2 3 􀀴􀀴􀀮􀀵􀀫􀁾:0<:0< +1).20 !O 40 50 60 r 1015I 20 .. BORING LOGS-3D PLATE 31 􀁾􀁾􀀬􀁾􀁤􀁔􀀧􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭�
�􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭
Proiect No: 8614 Addison Airport. Runway and Taxiways _reed ..Inn GROUP Date: 02-10-02 Addison. Texas Location: See Plate I il:!w CORE---, :t: -tgt.:H tc% . c:i DESCRIPTION OF STRATA
w -(.) >--",frl OJ CJ ffi If) a:: .0 . 􀁾􀀠.. k ASf'HAL T (6.3") r 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀠h CLAYEY GRAVEL. brown. weli-rounded. fine-to medium-grained. siliceous
& calcareous. w/fine-to coarse-grained, sub-r ounded to sub-angular sand (Fill) (BP)II . CLAY, dark gray. very stiff (CH) ... . 5Total Depth = 2 feet Pocket Penetrometer Readings TOI1$
Per Sq. Ft -I Standard Penetration Tests . Blows per Foot -+ • ! 2 3+ I() 20 30 . . I I 
!,. \ J J J 1 J I i .. Project. No. 8614 . 􀁄􀁾􀁴􀁥􀀺􀀠02-10-02 Addison Airport. Runway and Taxiways Addison. Texas 􀁾􀁾􀀠If! CORE OESCRrPTION OF STRATAH􀁉􀁾􀀠􀁾􀀠􀁾􀀠.. .. \ ASPHALT
(7.4") CLAY. dilrk brown & dark gray, stiff to h hard; w/fine-to medium-grained, sOft. weathered limestone fragments (Fill) (CH) !-gray limestone @H/2' 5Total Depth = 1-1/2 feet 10.
15. 20-I BORING LOG B-32 re"rl Irlnc . GROUP Location: See Plate 1 Pocket Penetr\lraeter ReadIngs Tons Per sq. Ft -f Standard Penetration Test$ Blows per Foot -+ f I 2 3 4. 45T. <ISH
t I) 20 30 40 50 00 II I*􀁉􀁾􀁔􀀭􀁲􀁴􀀮􀀮􀀮􀀮􀁬􀀭􀁊􀁟􀁉􀀠r-r-r-r. I . . I . ! . II'I PLATE 33 CONSUl TAtfI'<O _" 
__________________________LliiJrei!';.w.:.d.JiielnJ)'" glneerlng_....;......, .. , ., GROUP SOIL PROPERTIES COHESIONLESS SOILS COHESIVE SOILS SPT Pocket N-Values Relative Penetrometer
(blows/foot), DensitY (T.S.F.l Consistency o -4 ............... ,;,,"-_. Very Loose <0.25 .................... , Very Soft 4 -10 ................􀀺􀁾􀀬􀀮􀁾􀀺􀀬􀀠Loose 0.25-0,50.......;
...... Soft 10-30 ........................ Medium Dense 0.50-1.00 ............... Medium Stiff' 30,..50 ....................... Dense .1,00-2.00.., ............ Stiff 50 + : ............_.........
VflfY Dense 2.00-4,00............. Very Sliff 4.00 + ......;............ Hard ! .i ROCK, PROPERTIES HARDNESS DIAGNOSTIC FEATURES Very Soft.......................... Can be dented wltn
mode,rate finger pressure. Sof!... ................................. Can be scratched easily with fingernail. Moderately Hard ............. Can be scratched easily with knife but not
with fingernail. Hard ................... : ............... Can be scratched with knife with some dlfflculty; can be broken by Ught to moderate hammer blow. Very Hard ..........................
Cannot be scratched with knife; can be broken by repeated heavy hammer blows. DEGREE (F WEATHERIt£ DIAGNOSTIC FEATURES Slightly Weathered .......... , .. Slight discoloration inwards
from, open fractures. \ Weathered. ............................ Discoloration throughout; weaker minerals decomposed; strength somewhat less I than fresh rock; structure preserved. '.
Severely Weathered ........... Most minerals somewhat decomposes; much softer than fresh rock; texture becoming indistinct but fabric and structure preserved. ' . Completely Weathered
....... Minerals decomposed to sou; rock fabriC and slructure destroye'(j (residu'al soill. \ i ! ,J KEY TO DESCRIPTIVE. TERMS ON BORING LOGS PLATE 35 L------------......;-------------GEOTECHNICALCON
SULTANTS 
i .,, ! i '1 ,j , 1 I )., J l J J.' .1 1 j /80ringNo.' ,. 8-30 8-31 8-32 GE0TECHNICAL INVESTIGATION ADDISON AIRPORT' RUNWAY AND TAXIWAYS ADDISON, TEXAS (Continued) Summary of Classification
and Index Property Tests Percent Liquid plastic PlastiCity Passing, Depth Limit 􀁌􀁩􀁭􀁾􀀠Index' No. 200 (feet) (%) (%) (PI) Sieve 0.4 -0.7 '17 1.0 -2.0 66 26 40 0.5 -1.0 56 22 34 ."
􀁾.. L-_SU_M_M__ __ __ __􀁁􀁒􀁾􀁙􀀠O_F_LA80_.RA􀁔􀁟􀁏􀁟􀁒􀁟􀁙􀁟􀁔􀁟􀁅􀁟􀁓􀁟􀁔􀁟􀁒􀁟􀁅􀁟􀁓􀁟􀁕􀁟􀁌􀁟􀁔􀁓􀁾______________􀁾􀁐􀁌􀁁􀁾􀁔􀁟􀁅􀁟􀀳􀁟􀀸__􀁾􀀱􀀠
• AdvisoryU.S. Department of Transportation Federal Aviation CircularAdministration Subject: OPERATIONAL SAFETY ON AIRPORTS _D_URIN__G_C_O_'N_S_T_R_U_C_T_IO_'N________ I. THE PURPOSE
OF THIS ADVISORY CIRCULAR (Ae). Aviation safety is the primary consideration at airports, especially during construction. This AC sets forth guidelines for operational safety on airports
during construction. It contains major changes to the following areas: "Runway Safety Area," paragraph 3-2; "Taxiway Safety Areas/Object-Free Areas," paragraph 3-3; "Overview," paragraph
3-4; "Marking Guidelines for TemporaryThreshold," paragraph 3-5; and "Hazard Marking and Lighting," paragraph 3-9. 2. WHAT THIS AC CANCELS. This AC cancels AC 150/S370-2D, Operational Softly on Airports During Construction.
dated May 31,2002. 3. READING MATERIAL RELATED TO THIS AC. Appendix I contains a list of reading materials on airport construction, design, and potential safety hazards during construction,
as well as instructions for ordering these documents. Many of mem, including this AC. are available on the Federal Aviation Administration (FAA) Web site. Date: 1117/03 AC No: 150/5370-2E
Initiated by: AAS-300 Change: 4. WHO THIS AC AFFECTS. This AC assists airport operators in complying with 14 Code of Federal Regulations (CFR), part 139, Certification and Operation:
Land Airports Serving Certain Air Carriers, and with the requirements of airport construction projects receiving funds under the Airport Improvement Program or from the Passenger Facility
Charge Program. While the FAA does not require noncertificated airports without grant agreements to adhere to mese guidelines, we recommend that they do so as it will help these airports
maintain a desirable level of operational safety during construction. 5. ADDITIONAL BACKGROUND INFORMATION. Appendix 2 contains definitions of terms used in this AC. Appendix 3 provides
airport operators with boilerplate format and language for developing a safety plan for an airport construction project. Appendix 4 is a sample Notice to Airmen form. 6. HAZARD LIGHTING
IMPLEMENTATION TIME LINE. Supplemental hazard lighting must be red in color by October 1,2004. See paragraph 3-9 fur more information. DAVID L. BENNETT Director, Office of Airport Safety
and Standards 
1/17103 AC 150/5370-2E CONTENTS Paragraph CHAPTER 1_ GENERAL SAFETY REQUIREMENTS AND RESPONSIBILITIES_ .................................................1 I-I. Overview................................
................................................................................................................................. I 1-2. Who Is Responsible for Safety During Construction
................................................................................................ 1 CHAPTER 2. SAFETY PLANS ............................................................................
....................................................3 Section 1. Basic Safety Plan Considerations .....................................................................................................
..3 2-1. Overview.................................................................................................................................................................3 2-2.
Safety Plan Checklist ...............................................................................................................................................3 Section 2. Safety
and Security Measures .............................................................................................................4 2-3. Overview.....................................................
............................................................................................................ 4 2-4. Vehicle Operation and Marking and Pedestrian Control. .............................
............................................................4 2-5. Construction Employee Parking Areas ................................................................................................
..................... 5 2-6. Construction Vehicle Equipment Parking ................................................................................................................5
2-7. Radio Communication Training. .............................................................................................................................. 5 2-8. Fencing and Gates
....................................................................................................................................................5 Section 3. Notification of Construction
Activities .................................................................................................5 2-9. General. ...........................................................................
........................................................................................ 5 2-10. Assuring Prompt Notifications ........................................................................
........................................................ 6 2-11. Notices to Airmen (NOTAMs) ...........................................................................................................
..................... 6 2-12. Aircraft Rescue and Fire Fighting (ARFF) Notification ...........................................................................................6 2-13.
Notification to the FAA...........................................................................................................................................6 2-14. Work Scheduling
and Accomplishment. ..................................................................................................................6 CHAPTER 3. SAFETY STANDARDS AND GUIDELINES ....................
..................................................................7 Section 1. Runway and Taxiway Safety Areas, Obstacle·Free Zones, and Object·Free Areas .......................7 3·1.
Overview.................................................................................................................................................................7 3·2. Runway
Safety Area (RSA)/Obstacle-Free Zone (OFZ) ..........................................................................................7 3·3. Taxiway Safety Areas/Object-Free Areas ....................
............................................................................................7 Section 2. Temporary Runway Thresholds ..................................................................
.........................................8 3-4. Overview...............................................................................................................................................
.................. 8 3-5. Marking Guidelines for Temporary Threshold .........................................................................................................8 3-6. Lighting
Guidelines for Temporary Threshold .........................................................................................................9 Section 3. Other Construction Marking and
Lighting Activities .......................................................................10 3-7. Overview............................................................................................
................................................................... 10 3-8. Closed Runway and Taxiway Taxiway Marking and Lighting ....................................................................
......................... 10 3-9. Hazard Marking and Lighting ................................................................................................................................
1 0 3-10. Construction Near Navigational Aids (NAV AIDs) ................................................................................................ 11 3·11. Construction Site Access
and Haul Roads .............................................................................................................. 11 3-12. Construction Material Stockpiling ..............................
............................................................................................ 11 3-13. Other Limitations on Construction................................................................
......................................................... 11 3-14. Foreign Object Debris (FOD) Management. ............................................................................................
.............. 12 Section 4. Safety Hazards and Impacts ...............................................................................................................12 3-15. Overview...............
................................................................................................................................................ 12 iii 
AC 15015370-2E 1117103 Appendices APPENDIX 1. RELATED READING MATERIAL ................................................................................................... A-1 APPENDIX
2. DEFINITIONS OF TERMS USED IN THE AC................................................................................... A-2 APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE ..................
............................................A-3 APPENDIX 4. SAMPLE NOTAM ............................................................................................................................
A-7 iv 
1/17/03 AC 15OJ5370-2E CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSIBILITIES 1-1. OVERVIEW. Hazardous practices and marginal conditions created by construction activities can decrease
orjeopardize operational safety on airports. To minimize disruption of normal aireraft operations and to avoid situations that compromise the airport's operational safety, the airport
operator must carefully plan, schedule, and coordinate construction activities. While the guidance in this AC is primarily used for construction operations, some ofthe methods and procedures
described may also enhance dayto-day maintenance operations. 1-2. WHO IS RESPONSIBLE FOR SAFETY DURING CONSTRUCTION. An airport operator has overall responsibility for construction activities
on an airport. This includes the predesign, design, preconstruction, construction, and inspection phases. Additional infonnation on these responsibilities can be found throughout this
AC. a. Airport operator's responsibilities(1) Develop internally or approve a construction safety plan developed by an outside consultant/contractor that complies with the safety guidelines
in Chapter 2, "Safety Plans," and Appendix 3, "Airport Construction Safety Planning Guide," ofthis AC. (2) Require contractors to submit plans indicating how they intend to comply with
the safety requirements ofthe project. (3) Convene a meeting with the construction contractor, consultant, airport employees, and, if appropriate, tenant sponsor to review and discuss
project safety before beginning construction activity. (4) Ensure contact infonnation is accurate for each representative/point of contact identified in the safety plan. (5) Hold weekly
or, if necessary, daily safety meetings to coordinate activities. (6) Notify users, especially aireraft rescue and fire fighting (ARFF) personnel, of construction activity and conditions
that may adversely affect the operational safety of the airport via Notices to Ainnen (NOTAMs) or other methods, as appropriate. Convene a meeting fur review and discussion discussion
ifnecessary. (7) Ensure that construction personnel know ofany applicable airport procedures and ofchanges to those procedures that may affect their work. (8) Ensure that construction
contractors and subcontractors undergo training required by the safety plan. (9) Develop andlor coordinate a construction vehicle plan with airport tenants, the airport traffic control
tower (ATCT), and construction contractors. Include the vehicle plan in the safety plan. See Chapter 2, section 2, oftrus AC for additional infonnation. (10) Ensure tenants and contractors
comply with standards and procedures for vehicle lighting, marking, access, operation, and communication. (11) At certificated airports, ensure that each tenant's construction safety
plan is consistent with 14 CFR part 139, Certification and Operations: Land Airports Serving Certain Air Carriers. (12) Conduct frequent inspections to ensure construction contractors
and tenants comply with the safety plan and that altered construction activities do oot create potential safety hazards. (13) Resolve sarety deficiencies immediately. (14) Ensure construction
accesscompJies with the security requirements of49 CFR part 1542, Airport Security. (15) Notify appropriate parties when conditions exist that invoke provisions of the safety plan (e.g.,
implementation oflow-visibility operations). b. Construction contractor's responsibilities(1) Submit plans to the airport opcrator on how to comply with the safety requirements of the
project. (2) Have available a copy of the project safety plan. (3) Comply with the safety plan associated with the construction project and ensure that construction personnel are familiar
with safety procedures and regulations on the airport. (4) Provide a point ofcontac(who will coordinate an immediate responsc to correct any construction-related activity that may adversely
affect the operational safety ofthe airport. (5) Provide a safety officer/construction inspector familiar with airport safety to monitor construction activities. (6) Restrict movement
of construction vehicles to construction areas by flagging and barricading, erecting temporary fencing, or providing escorts, as appropriate. 1 
1/17/03 (7) Ensure that no construction employees, employees ofsubcontractors or suppliers, or other persons enter any part ofthe air operations areas (ADAs) from the construction site
unless authorized, c. Tenant's responsibilities if planning construction activities on leased property(1) Develop a safety plan, and submit it to the airport operator for approval prior
to issuance ofa Notice to Proceed, (2) Provide a point ofcontact who will coordinate an immediate response to correct any construction-related activity that may adversely affect the
operational safety ofthe airport, (3) Ensure that no tenant Or construction employees, employees ofsubcontractors or suppliers, or any other persons enter any part of the ADA from the
construction site unless authorized, (4) Restrict movement ofconstruction vehicles to construction areas by flagglog and barricadlog or erectlog temporary fencing. 2 
1117103 AC 15015370-2E CHAPTER 2. SAFETY PLANS Section 1. Basic Safety Plan Considerations 2-1. OVERVIEW. Airport operators should coordinate safety issues with the air carriers, FAA
Airway Facilities, and other airport tenants hefore the design phase ofthe project. The airport operator should identify project safety concerns, requirements, and impacts before making
arrangements with contractors and other personnel to perform work on an airport. These safety concerns will serve as the foundation for the construction safety plan and help maintain
a high level ofaviation safety during the project. The airport operator should determine the level of complexity ofthe safety plan that is necessary for each construction project and
its phases. The safety plan may he detailed in the specifications included in the invitation for bids, or the invitation for bid may specify that the contractor develop the safety plan
and the airport operator approve it. In the latter case, the invitation for bid should contain sufficient information to allow the contractor to develop and determine the costs associated
with the safety plan. In either case, safety plan costs should be incorporated into the total cost ofthe project. The airport operator has final approval authority and responsibility
for all safety plans. Coordination will vary from formal peedesign conferences to informal contacts throughout the duration of the construction project. Details ofa specified safety
plan, or requirements for a contractor-developad safety plan, should be discussed at the predesign and preconstruction conferences and should include the following, as appropriate: a.
Actions necessary before starting construction, including defining and assigning responsibilities. b. Basic responsibilities and procedures for disseminating instructions about airport
procedures to the contractor's personnel. c. Means of separating construction areas from aeronautical-use areas. d. Navigational aid (NA V AID) requirements and weather. e. Marking and
lighting plan illustrations, r. Methods of coordinating significant changes in airport operations with all the appropriate parties. SAFETY PLAN CHECKLIST. To the extent applicable, the
safety plan should address the following: a. Scope ofwork to be performed, including proposed duration of work. b. Runway and taxiway marking and lighting. c. Procedures for protecting
all runway and taxiway safety areas, obstacle-free zones (OFZs), object-free areas (OFAs), and threshold citing criteria outlined in AC 15015300-13, Airport Design, and as described
in this AC. This includes limitations on equipment height and stockpiled material. d. Areas and operations affected by the construction activity, including possible safety problems.
e. NAV AIDs that could be affected, espeeially critical area boundaries. f. Methods ofseparating vehicle and pedestrian construction traffic from the airport movement areas. This may
include fencing offconstruction areas to keep equipment operators in restricted areas in which they are authorized to operate. Fencing, or some other furm of restrictive barrier, is
an operational necessity in some cases. g. Procedures and equipment, such as barricades (identify type), to delineate closed construction areas from the airport operational areas, as
necessary. h. Limitations on construction. i. Required compliance of contractor personnel with all airport safety and security measures. j. Location of stockpiled construction materials,
construction site parking, and access and haul roads. Ii. Radio communications. J. Vehicle identification. m. Trenches and excavations and cover requirements. 3 
1/17/03 n. Procedures for notifying ARFF personnel if water lines or fire hydrants must be deactivated or if emergency access routes must be rerouted or blocked. o. Emergency notification
procedures for medical and police response. p. Use oftemporary visual aids. q. Wildlife management. r. Foreign object debris (FOD) control provisions, s. Hazardous materials (HAZMA T)
management. t. NOTAM issuance. u. Inspection requirements. v. Procedures for locating and protecting existing underground utilities, cables, wires, pipelines, and other underground facilities
in excavation areas, w. Procedures for contacting responsible representatives/points ofcontact for all involved parties, This should include off-duty contact infotmation so an immediate
response may be coordinated to correct any construction-related activity that could adversely affect the operational safety ofthe airport, Particular care should be taken to ensure that
appropriate Airways Facilities personnel are identified in the event that an unanticipated utility outage or eable cut occurs that impacts FAA NAV AIDs. x. Vehicle operator training,
y. Penalty provisions for noncompliance with airport rules and regulations and the safety plan (e.g,. ifa vehicle is involved in a runway incursion). z. Any special conditions that affect
the operation of the airport and will require a portion of the safety plan to be activated (e.g" low-visibility operations, snow removal). Section 2. Safety and Security Measures 2-3.
OVERVIEW. Airport operators are responsible for closely monitoring tenant and construction contractor activity during the construction project to ensure continual compliance with all
safety and security requirements, Airports subject to 49 CFR pari 1542, Airport Security, must meet standards for access control, movement of ground vehicles, and identification ofconstruction
contractor and tenant personnel. In addition, airport operators should use safety program standards, as described in Chapter 3 ofthis AC, to develop specific safety measures to which
tenants and construction contractors must adhere throughout the duration of construction activities. General safety provisions are contained in AC 150/537()..10, Standards for Specifying
Construction of Airports, paragraphs 40-05, "Maintenance of Traffic"; 70-08, "Barricades, Warning Signs, and Hazard Markings"; and 80-04, "Limitation of Operations." At any time during
construction, aircraft operations, weather, security, or local airport rules may dictate more stringent safety measures. The airport operator should ensure that both general and specific
safety requirements are coordinated with airport tenants and ATCT personnel. The airport operator should also include these pariies in the coordination ofall bid documents, construction
plans, and specifications for on-airport construction projects. 2-4. VEHICLE OPERATION AND MARKING AND PEDESTRIAN CONTROL. Vehicle and pedestrian access routes for airport construction
projects must be controlled to prevent inadvertent or unauthorized entry ofpersons, vehicles, or animals onto the AOA. This includes aircraft movement and nonrnovement areas. The airport
operator should develop and coordinate a construction vehicle plan with airport tenants, contractors, and the A TCT. The safety plan or invitation for bid should include specific vehicle
and pedestrian requirements, The vehicle plan should contain the following items: a. Airport operator's rules and regulations for vehicle marking, lighting, and operation. b. Requirements
for marking and identifying vehicles in accordance with AC 15015210-5, Painting, Marking, and Lighting ofVehicles Used on an Airport. c. Description ofproper vehicle operations on movement
and nonmovement areas under nonnal, lost communications, and emergency conditions. d. Penalties for noncompliance with driving rules and regulations, e. Training requirements for vehicle
drivers to ensure compliance with the airport operator's vehicle rules and regulations. f. Provisions for radio communication training for construction contractor personnel engaged in
construction activities around aircraft movement areas. Some drivers, 4 
1117103 AC 15015370-2E such as construction drivers under escort, may not require this training. g. Escort procedures for construction vehicles requiring aCCess to aircraft movement
areas. A vehicle in the movement are. must have a working aviation-band, two-way radio unless it is under escort. Vehicles can be in closed areas without a radio ifthe closed area is
properly marked and lighted to prevent incursions and a NOTAM regarding the closure is issued. h. Monitoring procedures to ensure that vehicle drivers are in compliance with the construction
vehicle plan. i. Procedures for, ifappropriate, personnel to control !Weess through gates and fencing or across aircraft movement areas. 2-5. CONSTRUCfION EMPLOYEE PARKING AREAS. Designate
in advance vehicle parking areas for contractor employees to prevent any unauthorized entry ofpersons or vehicles onto the airport movement area. These areas should provide reasonable
contractor employee access to the job site. 2-6. CONSTRUCfION VEHICLE EQUIPMENT PARKING. Construction employees must park and service all construction vehicles in an area designated
by the airport operator outside the runway safety areas and OFZs and never on a closed taxiway or runway. Employees should also park construction vehicles outside the OFA when not in
use by construction personnel (e.g., overnight, on weekends, or during other periods when construction is not active). Parking areas must not obstruct the clear line of sight by the
ATCT to any taxiways or runways under air traffic control nor obstruct any runway visual aids, signs, or navigational aids. The FAA must also study those areas to determine effects On
14 CFR part 77, Objects AffictingNavigable Airspace, surfuces (see paragraph 2-13 for further information). 2-7. RADIO COMMUNICATION TRAINING. The airport operator must ensure that tenant
and construction contractor personnel engaged in activities involving unescorted operation on aircraft movement areas observe the proper procedures for communications, including using
appropriate radio frequencies at airports with and without A TCTs. Training ofcontractors on proper communication procedures is essential fur maintaining airport operational safety.
When operating vehicles on or near open runways or taxiways, construction personnel must understand the critical importance of maintaining radio contact with airport operations, ATCT,
Or the Common Traffic Advisory Frequency, which may include UNICOM, MULTICOM, or one ofthe FAA Flight Service Stations (FSS), as directed by airport management. Vehicular traffic crossing
active movement areas must be controlled either by two-way radio with the ATCT, escort, flagman, signal light, or other means appropriate for the particular airport. Vehicle drivers
must confirm by personal observation that no aircraft is approaching their position when given clearance to cross a runway. In addition, it is the responsibility ofthe escort vehicle
driver to verify the movement/position ofall escorted vehicles at any given time. Even though radio communication is maintained, escort vehicle drivers must also familiarize themselves
with ATCT light gun signals in the event ofradio failure (see the FAA safety placard "Ground Vehicle Guide to Airport Signs and Markings"). This safety placard,may be ordered through
the Runway Safety Program Web site at http://www.faarsp.org or obtained from the Regional Airports Division Office. 2-8. FENCING AND GATES. Airport operators and contractors must take
care to maintain a high level ofsafety and security during construction when access points are created in the security fencing to permit the passage ofconstruction vehicles or personnel.
Temporary gates should be equipped so they can be securely closed and locked to prevent access by animals and people (especially minors). Procedures should be in place to ensure that
only authorized persons and vehicles have access to the AOA and to prohibit "piggybacking" behind another person or vehicle. The Department ofTransportation (DOT) document DOT/FAA!AR-OO/52,
Recommended Security Guidelines for Airport Planning and Construction, provides more specific information on fencing. A copy ofthis document can be obtained from the Airport Consultants
Council, Airports Council International, or American Association of Airport Executives. Section 3. Notification of Construction Activities 2-9. GENERAL. In order to maintain the desired
levels ofoperational safety on airports during construction activities, the safety plan should contain the notification actions described below. 5 
1117/03 2·10. ENSURING PROMPT NOTIFICATIONS. The airport operator should establish and follow procedures for the immediate notification ofairport users and the FAA of any conditions
adversely affecting the operational safety ofan airport. 2·11. NOTICES TO AIRMEN (NOTAMS). The airport operator must provide information on closed or hazardous conditions on airport
movement areas to the FSS so it can issue a NOTAM. The airport operator must coordinate the issuance, maintenance, and cancellation of NOTAMs about airport conditions resulting from
construction activities with tenants and the local air traffic facility (control tower, approach control, or air traffic control center. Refer to AC 150/5200·28, Notices to Airmen (NOTAMs)
for Airport Operators. and Appendix 4 in this AC for a sample NOTAM form. Only the FAA may issue or cancel NOTAMs on shutdown or irregular operation ofFAA-owned facilities. Only the
airport operator or an authorized representative may issue or cancel NOTAMs on airport conditions. (The airport owner/operator is the only entity that can close or open a runway.) The
airport operator must file and maintain this list of authorized representatives with the FSS. Any person having reason to believe that a NOTAM is missing, incomplete, or inaccurate must
notify the airport operator. 2·12. AIRCRAFT RESCUE AND FIRE FIGHTING (ARFF) NOTIFICATION. The safety plan must provide procedures for notifying ARFF personnel, mutual aid providers,
and other emergency services if construction requires shutting offor otherwise disrupting any water line or fire hydrant on the airport or adjoining areas and if contractors work with
hazardous material on the airfield. Notification procedures must also be developed for notifying ARFF and all other emergency personnel when the work performed will close or affect any
emergency routes. Likewise, the procedures must address appropriate notifications when services are restored. 2·13. NOTIFICATION TO THE FAA. For certain airport projects, 14 CFR part
77 requires notification notification to the FAA. In addition to applications made for Federally funded construction, 14 CFR part 157, Notice ofConstruction, Alteration, Activation,
and Deactivation of Airports, requires that the airport operator notify the FAA in writing whenever a non-Federally funded projectinvolves the construction ofa new airport; the construction, realigning, altering, activating, or abandoning of a runway, landing strip, or associated taxiway; or the deactivation or
abandoning ofan entire airport. Notification involves submitting FAA Form 7480-1, Notice ofLanding Area Proposal, to the nearest FAA Regional Airports Division Office or Airports District
Office. Also, any person proposing any kind ofconstruction or alteration of objects that affect navigable airspace, as defined in 14 CFRpart 77 must notify the FAA. This includes construction
equipment and proposed parking areas for this equipment (I.e., cranes, graders, etc.). FAA Form 7460-1. Notice ofProposed Construction or Alteration, can be used for this purpose and
submitted to the FAA Regional Airports Division Office or Airports District Office. (See AC 7017460-2, Proposed Construction or Alteration ofObjects that May Affoct the Navigable Airspace.)
Ifconstruction operations require a shutdown ofan airport owned NA V AID from service for more than 24 hours or in eXcess of4 hours daily on consecutive days, we recommend a 45-day minimum
notice prior to facility shutdown. Coordinate work for a FAA owned NAyAlD shutdown with the local FAA Airways Facilities Office. In addition, procedures that address unanticipated utility
outages and cable cuts that could impact FAA NA V AIDs must be addressed. 2-14. WORK SCHEDULING AND ACCOMPLISHMENT. Airport operators-or tenants having construction on their leased properties-should
use predesign, prebid, and preconstruction conferences to intrcduce the subject of airport operational safety during construction (see AC 150/5300·9, Predesign, Prebid, andPreconstruction
Coriferences for Airport Grant Projects). The airport operator, tenants, and construction contractors should integrate operational safety requirements into their planning and work schedules
as early as practical. Operational safety should be a standing agenda item for discussion during progress meetings throughout the project. The contractor and airport operator should
carry out onsite inspections throughout the project and immediately remedy any deficiencies, whether caused by negligence, oversight, or project scope change. 6 
1/17/03 AC 150/5370-2E CHAPTER 3. SAFETY STANDARDS AND GUIDELINES Section 1. Runway and Taxiway Safety Areas, Obstacle-Free Zones, and Object-Free Areas 3-1. OVERVIEW. Airport operators
must use these safety guidelines when preparing plans and specifications for construction activities in areas that may interfere with aircraft operations. The safety plan should recognize
and address these standards for each airport construction project. However, the safety plan must reflect the specific needs ofa particular project, and for this reason, these safety
guidelines should not be incorporated verbatim into project specifications. For additional guidance on meeting safety and security requirements, refer to the planning guide template
included in Appendix 3 of this AC. 3-2. RUNWAY SAFETY AREA (RSA)/OBSTACLE-FREE ZONE (OFZ). A runway safety area is the defined surface surrounding the runway prepared or suitable for
reducing the risk of damage to airplanes in the event ofan undershoot, overshoot, or excursion from the runway (see AC 150/5300-13, Airport Design). Construction activities within the
standard RSA are subject to the following cond itions: a. Runway edges. (1) No construction may occur closer than 200 feet (60m) from the runway centerline unless the runway is closed
or restricted to aircraft operations, requiring an RSA that is equal to the RSA width available during construction. or 400 feel, whichever is less (see AC 150/5300-13, Tables 3-1 through
3-3). (2) Personnel, marerial, andlor equipment must not penetrate the OFZ, as defined in AC 1501530013. (3) The airport operator must coordinate the construction activity in the RSA
as permitted above with the ATCT and the FAA Regional Airports Division Office or appropriate Airports District Office and issue a local NOTAM. b. Runway ends. (1) An RSA must be maintained
ofsuch dimensions that it exrends beyond the end of the runway a distance equal to that which existed before construction activity, unless the runway is closed or restricted to aircraft
operations for which the reduced RSA is adequate (see AC 150/5300-13). The temporary use ofdeclared distances andlor partial runway closures may help provide the necessary RSA. In addition,
all personnel, materials, andlor equipment must remain clear of the applicable threshold siting surfaces, as defmed in Appendix 2, "Threshold Siting Requirements," of AC 150/5300-13.'
Consult with the appropriate FAA Regional Airports Division Office or Airports District Office to determine the appropriate approach surface required. (2) Personnel, marerial, andlor
equipment must not penetrate the OFZ, as defined in AC 150/530013. (3) The safety plan must provide procedures for ensuring adequate distance for blast protection, if required by operational
considerations. (4) The airport operator must coordinate construction activity in this portion ofthe RSA with the A TCT and the FAA Regional Airports Division Office or appropriate Airports
District Office and issue a local NOTAM. c. Excavations. (1) Construction contractors must prominently mark open trenches and excavations at the construction site with red or orange
flags, as approved by the airport operator, and light them with red lights during hours of restricted visibility or darkness. (2) Open trenches or excavations are not permitted within
200 feet (60m) of the runway centerline and at least the existing RSA distance from the runway threshold while the runway is open. If the runway must be opened before excavations are
backfilled, cover the excavations appropriately. Coverings for open trenches or excavations must be ofsufficient strength to support the weight oflhe heaviest aircraft operating on the
runway. 3-3. TAXIWAY SAFETY AREAS/OBJECTFREE AREAS. a_ Unrestricted construction activity is permissible adjacent to taxiways when the taxiway is restricted to aircraft such that the
available taxiway safety area is equal 'If a full safety area cannot be obtained through declared distances and partial 􀁣􀁬􀁯􀁳􀁵􀁲􀁥􀁾􀀠or other methods such as alternate runway use,
construction activity may operate in the RSA as long as conditions cited in paragraph 3-lb(2) thru (4) are mel In addition, various surfaces outlined in AC 150/5300-13 and Terminal Instrument
Procedures (fERPS) must be protected through an aeronautical study. 7 
to at least Y, of the widest wingspan ofthe aircraft expected to use the taxiway and the available taxiway object-free area is equal to at least .7 times the widest wingspan plus 10
feet. (See AC 150/5300-13 for guidance on taxiway safety and object-free areas.) Construction activity may be accomplished closer to a taxiway, subject to the following restrictions:
(1) The activity is first coordinated with the airport operator. (2) Appropriate NOTAMs are issued. (3) Marking and lighting meeting the provisions of paragraph 3-9 are implemented.
(4) Adequate clearance is maintained between equipment and materials and any part ofan aircraft. If such clearance can only be maintained ifan aircraft does not have full use of the
entire taxiway width (with its main landing gear at the edge of the pavement), then it will be necessary to move personnel and equipment for each passing aircraft. In these situations,
flag persons will be used to direct construction equipment, and wing walkers may be necessary to guide aircraft. Wing walkers sbould be airline/aviation personnel rather than construction
workers. b. Construction contractors must prominently mark open trenches and excavations at the construction site, as approved by the airport operator, and light them with red lights
during hours ofrestricted visibility or darkness c. Excavations and open trenches may be pennitted up to the edge of a structural taxiway and apron pavement provided the dropoff is marked
and lighted per paragraph 3-9, "Hazard Marking and Lighting." Section 2. Temporary Runway Thresholds 3-4. OVERVIEW. Construction activity in a runway approach area may result in the
need to partially close a runway or displace the existing runway threshold. In either case, locate the threshold in accordance with Appendix 2 of AC 150/5300-13, Airport Design. Objects
that do not penetrate these surfaces may still be obstructions to air navigation and may affect standard instrument approach procedures. Coordinate these objects with the FAA's Regional
Airports Office or or appropriate Airports District Office, as necessary. Refer to the current edition ofAC 150/5300-13 for guidance on threshold siting requirements. The partial runway
closure, the displacement of the runway threshold, as well as closures of the complete runway and other portions ofthe movement area also requires coordination with appropriate ATCT
personnel and airport users. Caution regarding partial runway closures: When filing a NOTAM for a partial runway closure, clearly state to FSS personnel that the portion of pavement
located prior to the threshold is not available for landing and departing traffic. In this case, the thresbold has been moved for both landing and takeoff purposes (this is different
than a displaced threshold). Example NOTAM: "North 1,000 feet ofRunway 18/36 is closed; 7,000 feet remain availahle on Runway 18 and Runway 36 for arrivals and departures." There may
he situations where the portion of closed runway is available for taxiing only. Ifso, the NOT AM must reflect this condition. condition. Caution regarding displaced thresholds: Implementation
of a displaced threshold affects runway length available for aircraft landing over the displacement. Depending on the reason for the displacement (tu provide obstruction clearance or
RSA), such a displacement may also require an adjustment in the landing distance available and accelerate-stop distance available in the opposite direction. Ifproject scope includes
personnel, equipment, excavation, etc. within the RSA of any usable runway end, we do not recommend a displaced threshold unless arrivals and departures toward the construction activity
are prohibited. Instead, implement a partial closure. 3-5. MARKING GUIDELINES FOR TEMPORARY THRESHOLD. Ensure that markings for temporary displaced thresholds are clearly visible to
pilots approaching the airport to land. When construction personnel and equipment .re located close to any threshold, a temporary visual NAVAID, such as runway end identifier lights
(REIL), may be required (even on unlighted runways) to define Ihe new beginning of the runway clearly. A visual vertical guidance device, such as a visual approach slope indicator (VAS!),
pulse light approach slope indicator (pLAS!), or precision approach path indicator (pAP!), may be necessary to assure landing clearance over personnel, vehicles, equipment, andlor above-grade
stockpiled materials. Ifsuch devices are installed, ensure an appropriate descriptive NOT AM is issued to infonn pilots of these conditions. The current edition of AC 150/5340-1, Standards/or
Airport Markings, describes standard marking colors and layouts. In addition, we recommend that a temporary runway threshold be marked using the following guidelines: a. Airport markings
must be clearly visible to pilots; not misleading, confusing, or deceptive; secured in place to prevent movement by prop wash, jet blast, wing vortices, or other wind currents; and constructed
of 8 
1117f03 materials that would minimize damage to an aircraft in the event of inadvertent contact. (I) Pavement markings for temporary closed portions of the runway should consist of yellow
chevrons to identify pavement areas that are unsuitable fur takeoffllanding (see AC 150f5340-1). If unable to paint the markings on the pavement, construct them from any of the following
materials: double-layered painted SnOw fenee, colored plastic, painted sheets of plywood, Or similar materials. They must be properly configured and secured to prevent movement by prop
wash, jet blast, or other wind currents. (2) It may be necessary to remove or cover runway markings, such as runway designation markings and aiming point markings, depeoding 00 the length
of construction and type ofactivity at the airport. (3) When threshold markings are needed to identify the temporary beginning of the runway that is available for landing, use a white
threshold bar of the dimensions specified in AC 150f5340-1. (4) If temporary outboard elevated or flush threshold hers are used, locate them outside ofthe runway pavement surnee, one
on each side of the runway. They should be at least 10 feet (3m) in width and extend outboard from each side of the runway so they are clearly visible to landing and departing aircraft.
These threshold bars are white. If the white threshold bars are not discernable on grass or snow, apply a black background with appropriate material over the ground to ensure the markings
are clearly visible. (5) A temporary threshold may also be marked with the use of retroreflective, elevated markers. One side of sucb markers is green to denote the approach end ofthe
runway; tbe side that is seen by pilots on rollout is red. See AC 15015345-39, FAA Specification L853, Runway and Taxiway Retrorejlective Markers. (6) At 14 CFR part 139 certificated
airports, temporary elevated threshold markers must be mounted with a frangible fitting (see 14 CFR part 139.309). However, at noncertificated airports, the temporary elevated threshold
markings may either be mounted with a frangible fitting or be flexible. See AC 15015345-39. b. The application rate of the paint to mark a shortterm temporary runway thresbold may deviate
from tbe standard (see Item P-620, "Runway and Taxiway Painting," in AC 15015370-10, Standardsfor Specifying Construction ofAirports), but the dimensions must meet the existing standards,
unless coordinated with the appropriate offices. c. When a runway is partially closed, the distance remaining signs for aircraft landing in tbe opposite direction should be covered or
removed during the construction. AC 150f5370-2E 3-6. LIGHTING GUIDELINES FOR TEMPORARY THRESHOLD. A temporary runway threshold must he lighted ifthe runway is lighted and it is the intended
threshold for night landings or instrument meteorological conditions. We recommend that temporary thresbold lights and related visual NA V AIDs he installed outboard of the edges ofthe
full-strength pavement with bases at grade level or as low as possible, but not to exceed 3 3 inches (7.6cm) above ground. When any portion ofa base is above grade, place properly compacted
fill around the base to minimize the rate ofgradient cbange so aircraft can, in an emergency, cross at normal landing or takeoff speeds without incurring significant damage (see AC 15015370-10).
We recommend that the following be observed when using temporary runway thresbold lighting: a. Maintain threshold and edge lighting color and spacing standards as described in AC 150/5340-24,
Runway and Taxiway Edge Lighting System. Battery-powered, solar, or portable lights that meet tbe criteria in AC 150/5345-50, Specification for Portable Runway Lights, may be used. These
systems are intended primarily for visual flight rules (VFR) aircraft operation but may be used for instrument flight rules (IFR) aircraft operations, upon individual approval from the
Flight Standards Division of the applicable FAA Regional Office. b. When the runway has been partially closed, disconnect edge and threshold lights with associated isolation transformers
on that part of the runway at and behind the threshold (i.e., the portion of the runway that is closed). Alternately, cover the light fixture in such a way as to prevent light leakage.
A void removing the lamp from energized fixtures because an excessive number of isolation transformers with open secondaries may damage the regulators andlor increase the current above
its normal value. c. Secure, identify, and place any temporary exposed wiring in conduit to prevent electrocution and fife ignition sources. d. Reconfigure yellow lenses (caution zone),
as necessary. Ifthe runway has centerline lights, reconfigure the red lenses, as necessary, or place tbe centerline lights out ofservice. e. Relocate the visual glide slope indicator
(VGSI), such as V ASI and PAPI; other airport lights, such as REIL; and approach lights to identify the temporary threshold. Another option is to disable the VGSI or any equipment that
would give misleading indications to pilots as to the new threshold location. location. Installation of temporary visual aids may be necessary to provide adequate guidance to pilots
on approach to the affected runway. If the FAA owns and operates the VGSI, 9 
AC 150/5370-2E 1/17103 coordinate its installation or disabling with the local r. Issue a NOTAM to inform pilots of temporary Airway Facilities Systems Management Office. lighting conditions.
Section 3. other Construction Marking and Lighting Activities 3-7. OVERVIEW. Ensure that construction areas, including closed runways, are clearly and visibly separated from movement
areas and that hazards, facilities, cables, and power lines are identified prominently for construction contractors. Throughout the duration ofthe construction project, verify that these
areas remain clearly marked and visible at all times and that marking and lighting aids remain in place and operational. Routine inspections must be made oftemporary construction lighting,
especially batterypowered lighting since weather conditions can limit battery life. 3-8. CLOSED RUNWAY AND TAXIWAY MARKING AND LIGHTING. Closed runway markings consist ofa yellow "X"
in compliance with the standards ofA C 150/5340-1, Standards for Airport Markings. A very effective and preferable visual aid to depict temporary closure is the lighted "X" signal placed
on or near the runway designation numbers. This device is much more discernible to approaching aircraft than the other materials described. If the lighted "X" is not available, construct
the marking ofany ofthe following materials: double-layered painted snow fence, colored plastic, painted sheets ofplywood, or similar materials. They must be properly configured and
secured to prevent movement by prop wash, jet blast, or other wind currents. In addition, the airport operator may install barricades, traffic cones, activate stop bars, or other acceptable
visual devices at major entrances to the runways to prevent aircraft from entering a closed portion ofrunway. The placement ofeven a single reflective barricade with a "do not enter"
sign on a taxiway centerline can prevent an aircraft from continuing onto a closed runway. Ifthe taxiway must remain open for aircraft crossings, barricades or markings, as described
described above or in paragraph 3-9, should be placed on the runway. a. Permanently dosed runways. For runways and taxiways that have been permanently closed, disconnect tbe lighting
circuits. For runways, obliterate the threshold marking, runway designation marking, and touchdown zone markings, and place "X's" at each end and at I,OOO-foot (300-rn) intervals. For
taxiways, place an "X" at the entrance ofthe closed taxiway. b. Temporarily closed runway and taxiways. For runways that have been temporarily closed, place an "X" at the each end ofthe
runway. With taxiways, place an "X" at the entrance ofthe closed taxiway. c. Temporarily closed airport. When the airport is closed temporarily, mark the runways as closed and turn offthe
airport beacon. d. Permanently closed airports When the airport is closed permanently, mark the runways as permanently closed, disconnect the airport beacon, and place an "X" in the
segmented circle or at a centralloeation ifno segmented circle exists. 3-9. HAZARD MARKING AND LIGHTING. Provide prominent, comprehensible warning indicators for any area affected by
construction that is normally accessible to aircraft, personnel, or vehicles. Using appropriate hazard marking and lighting may prevent damage, injury, traffic delays, andlor facility
closures. Hazard marking and lighting must restrict access and make specific hazards obvious to pilots, vehicle drivers, and other personnel. Barricades, traffic cones (weighted or sturdily
attached to the surface), or flashers are acceptable methods used to identify and defme the limits ofconstruction and hazardous areas on airports. Provide temporary hazard marking and
lighting to prevent aircraft from taxiing onto a closed runway for takeoff and to identify open manholes, small areas under repair, stockpiled material, and waste areas. Also consider
less obvious construction-related hazards and include markings to identify FAA, airport, and National Weather Service facilities cables and power lines; instrument landing system elLS)
critical areas; airport surfaces, such as RSA, OF A, and OFZ; and other sensitive areas to make it easier for contractor personnel to avoid these areas; The construction specifications
must include a provision requiring the contractor to have a person on call 24 hours a day for emergency maintenance ofairport hazard lighting and barricades. The contractor must file
the contact person's information with the airport. 􀁡􀁾􀀠Nonmovement areas. Jndicate construction locations on noornovement areas in which no part ofan aircraft may enter by using barricades
that are marked with diagonal, alternating orange and white stripes. Barricades may be supplemented with alternating 10 
orange and white flags at least 20 by 20 inches (50 by 50 cm) square and made and installed so they are always in an extended position, properly oriented, and securely fastened to eliminate
jet engine ingestion. Such barricades may be many different shapes and made from various materials, including railroad ties, sawhorses, jersey barriers, or barrels. During reduced visibility
ornight hours, supplement the barricades with red lights, either flashing or steady-burning, which should meet the luminance requirements ofthe State Highway Department (yellow lights
are not acceptable after October I, 2004). The intensity ofthe lights and spacing fur barricade flags and lights must adequately and without ambiguity delineate the hazardous area. 􀁢􀁾􀀠Movement
areas. Use orange traffic cones; red lights, either flashing or steady-burning, which should meet the luminance requirements of the State Highway Department (yellow lights are not acceptable
after October I, 2004); collapsible barricades marked with diagonal, alternating orange and white stripes; andlor signs to separate all construction/maintenance areas from the movement
area. All barricades, temporary markers, and other objects placed and left in safety areas associated with any open runway, taxiway, or taxilane must be as low as possible to the ground;
of low mass; easily collapsihle upon contact with an aircraft or any of its components; and weighted or sturdily attached to the surface to prevent displacement from prop wash, jet blast,
wing vortex, or other surface wind currents. If affixed to the surface, they must be frangible at grade level or a, low as possible, but not to exceed 3 inches (7.6cm) above the ground.
Do not use nonfrangible hazard markings, such as concrete barriers andlor metal-drum-type barricades, in aircraft movement areas. Do not use railroad ties on runways. Use highly reflective
barriers with flashing or steadyburning red lights to barricade taxiways leading to closed runways. Evaluate all operating factors when determining how to mark temporary closures that
can last from 10 to 15 minutes to a much longer period of time. However, we strongly recommend that, even for closures of relatively short duration, major taxiway/runway intersections
be identified with barricades spaced no greater than 20 feet (6m) apart. Mark the barricades with a flashing or steady-burning red light. At a minimum, use a single barricade placed
on the taxiway centerline. 3-10. CONSTRUCTION NEAR NAVIGATIONAL AIDS (NAVAIDS). Construction activities, materials/equipment storage, and vehicle parking near electronic NAV AIDs require
special consideration since they may interfere with signals essential to air navigation. Evaluate the effect of construction activity and the required distance and direction from the
NAVAID for each construction project. Pay particular attention to stockpiling material, as well as to movement and parking of equipment that may interfere with line of sight from the
ATCT or with electronic emissions. Interference from construction may require NAV AID shutdown or adjustment of instrument approach minimums for lFR. This condition requires that a NOTAM
be filed. Construction activities and materials/equipment storage near aNAV AID may also obstruct access to the equipment and instruments for maintenance. Before commencing construction
activity, parking vehicles, or storing construction equipment and materials near a NAV AID, consult with the nearest FAA Airway Facilities Office. 3-11. CONSTRUCTION SITE ACCESS AND
HAUL ROADS. Determine the construction contractor's access to the construction sites and haul roads. Do not permit the construction contractor to use any access or haul roads other than
those approved. Construction contractors must submit specific proposed routes associated with construction activities to the airport operator for evaluation and approval as part ofthe
safety plan before beginning construction activities. These proposed routes must also provide specifications to prevent inadvertent entry to movement areas. Pay special attention to
ensure that ARFF right ofway on access and haul roads is not impeded at any time and that construction traffic on haul roads does not interfere with NAVAIDs or approach surfaces ofoperational
runways. 3-12. CONSTRUCTION MATERIAL STOCKPILING. Stockpiled materials and equipment storage are not permitted within the RSA and OFZ ofan operational runway. The airport operator must
ensure that stockpiled materials and equipment adjacent to these areas are prominently marked and lighted during hours ofrestricted visibility or darkn..". This includes determining
and verifYing that materials are stored at an approved location to prevent foreign ol<iect damage and attraction ofwildlife. 3-13. OTHER LIMITATIONS ON CONSTRUCTION. Contractors may
not use open-flame welding or torches unless adequate fife safety precautions are provided and the airport operator has approved their use. Under no circumstances should flare pots be
used within the AOA at any time. The use ofelectrical blasting caps must not be permitted on on or within 1,000 feet (300m) ofthe airport property (see AC 150/5370-10, Standards for
Specifying Construction ofAirports). 11 
1117103 3-14. FOREIGN OBJECT DEBRIS (FOD) MANAGEMENT. Waste and loose materials, commonly referred to as POD, are capable ofcausing damage to aircraft landing gears, propellers, and
jet engines. Construction contractors must not leave or place FOD on or near active aircraft movement areas. Materials tracked onto these areas must be continuously removed during the
construction project. We also recommend that airport operators and construction contractors carefully control and continuously remove waste or loose materials that might attract wildlife.
Section 4. Safety Hazards and Impacts 3-15. OVERVIEW. The situations identified below are potentially hazardous conditions that may occur during airport construction projects. Safety
area encroachments, unauthorized and improper ground vehicle operations, and unmarked or uncovered holes and trenches near aircraft operating surfaces pose the most prevalent threats
to airport operational safety during airport construction projects. Airport operators and contractors should consider the following when performing inspections of construction activity:
a. Excavation adjacent to runways, taxiways, and aprons. b. Mounds of earth, construction materials, temporary structures, and other obstacles near any open runway, taxiway, Or !aXilane;
in the related object-free area and aircraft approach or departure areas/zones; or obstructing any sign or marking. c. Runway resurfacing projects resulting in lips exceeding 3 inches
(7.6cm) from pavement edges and ends. d. Heavy equipment (stationary or mobile) operating or idle near AOAs, in runway approaches and departures areas, or in OFZs. e. Equipment or material
near NAVAIDs that may degrade or impair radiated signals andlor the monitoring of navigational and visual aids. Unauthorized or improper vehicle operations in localizer or glide slope
critical areas,resulting in electronic Interference andlor facility shutdown. f. Tall and especially relatively low-visibility units (i.e., equipment with slim profiles}-cranes, drills, and . Similar
objects-located in critical areas, such as OFZs and approach zones. g. Itoproperly positioned or malfunctioning lights or unlighted airport hazards, such as holes or excavations, on
any apron, open taxiway, or open taxilane or in a related safety, approach, or departore area. h. Obstacles, loose pavement, trash, and other debris on or near AOAs. Construction debris
(gravel, sand, mud, paving materials, etc.) on airport pavements may result in aircraft propeller, turbine engine, or tire damage. Also, loose materials may blow about, potentially causing
personal injury or equipment damage. i. Inappropriate or poorly maintained fencing during construction intended to deter human and animal intrusions into the AOA. Fencing and other markings
that are inadequate to separate construction areas from open AOAs create aviation hazards. j. Improper or inadequate marking or lighting of runways (especially thresholds that have been
displaced or runways that have been closed) and taxiways that could cause pilot confusion and provide a potential for a runway incursion. Inadequate or improper methods ofmarking, barricading,
and lighting oftemporarily closed portions of AOAs create aviation hazards. k. Wildlife attractants-such as trash{food scraps not collected from construction personnel activity), grass
seeds, or ponded water-on or near airports. I. Obliterated or faded markings on active operational areas. m. Misleading or malfunctioning obstruction lights. Unlighted or unmarked obstructions
in the approach to any open runway pose aviation hazards. n. Failure to issue, update, or cancel NOTAMs about airport or runway closures or other construction-related airport conditions.
o. Failure to mark and identifY utilities or power cables. Damage to utilities and power cables during construction activity can result in the loss of runway/taxiway lighting; loss ofnavigational,
visual, or approach aids; disruption ofweather reporting services; andlor loss ofcommunications . p. Restrictions on ARFF accesS from fire stations to the runway·taxiway system or airport
buildings. q. Lack ofradio communications with construction vehicles in airport movement areas. r. Objects, regardless of whether they are marked or flagged, or activities anywhere on
or near an airport 12 
AC 15015370·2E that could be distracting, confusing, or alanning to pilots during aircraft operations. s. Water, snow, dirt, debris, or other contaminants that temporarily obscure or
derogate the visibility of runway/taxiway marking, lighting, and pavement edges. Any condition Or factor that obscures or diminishes the visibility ofareas under construction. t. Spillage
from vehicles (gasoline, diesel fuel, oil, etc.) on active pavement areas, such as runways, taxiways, ramps, and airport roadways. u. Failure to maintain drainage system integrity during
construction (e.g., no temporary drainage provided when working on a drainage system). v. Failure to provide for proper electrical lockout and tagging procedures. At larger airports
with multiple maintenance shifts/workers, construction contractors should make provisions for coordinating work on circuits. w. Failure to control dust. Consider limiting the amount
ofarea from which the contractor is allowed to strip turf. x. Exposed wiring that creates an electrocution or fire ignition hazard. Identify and secure wiring, and place it in conduit
or bury it. y. Site burning, which can cause possible obscuration. z. Construction work taking place outside of designated work areas and out ofphase. 13 
1117103 AC 15015370-2E APPENDIX 1. RELATED READING MATERIAL 1. Obtain the latest version oflhe following free publications from the FAA on its Web site at http://www.f.a.gov/arpl. In
addition, these ACs are available by contacting the U.s. Department of Transportation, Subsequent Distribution Office, SVC121.23, Ardmore East Business Center, 3341 Q 75th Avenue, Landover,
MD 20785. a. AC 150/5200-28, Notices to Airmen (NOTAM) for Airport Operators. Provides guidance for the use of the NOTAM System in airport reporting. b. AC 150/5200-30, A irport Winter
Safety and Operations. Provides guidance to airport owners/operators on the development ofan acceptable airport snow and ice control program and on appropriate field condition reporting
procedures. c. AC 15015200-33, Hazardous WildlijeAttractants On or Near Airports. Provides guidance on locating certain land uses having the potential to attract hazardous wildlife to
public-use airports. d. AC 15015210-5, Painting. Marking, and Lighting ofVehicles Used on an Airport. Provides guidance, specifications, and standards for painting, marking, and lighting
vehicles operating in the airport air operations areas. e. AC 150/52204, Water Supply Systemsfor Aircraft Fire andRescue Protection. Provides guidance for the selection ofa water source
and standards for the desigu of a distribution system to support aircraft rescue and fire fighting service operations on airports. f. AC 150/5340-1, Standardsfor Airport Markings. Contains
FAA standards for markings used on airport runways, taxiways, and aprons. g. AC 150/5340-14B, Economy Approach Lighting Aids. Describes standards for the design, selection, sitiog, and
maintenance ofeconomy approach lighting aids. h. AC 150/5340-18, Standards for Airport Sign Systems. Contains FAA standards for the siting and installation ofsigus on airport runways
and taxiways. i. AC 150/5345-28, Precision Approach Path Indicator (PAPl) Systems. Contains the FAA standards for PAPI systems, which provide pilots with visual glide slope guidance
during approach for landing. j. AC 150/5380·5, Debris Hazards at CMI Airports. Discusses problems at airports, gives information on roreigu objects, and explains how to eliminate such
objects from operational areas. k. AC 7017460-2, Proposed Construction or Alteration ofObjects that May Aifoct the Navigable Airspace. Provides information to persons proposing to erect
or alter an object that may affect navigable airspace and explains the need to notifY the FAA before construction begins and the FAA's response to those notices, as required by 14 CFR
part 77. 2. Obtain copies of the following publications from the Superintendent of Docurnents, U.S. GovemmentPrinting Office, Washington, DC 20402. Send a check or money order made payable
to the Superintendent of Documents in the amount stated with your request. The Government Printing Office does not accept C.O.D. orders. In addition, the FAA makes these ACs available
at no charge on the Web site at http://www.faa.gov/arp/. n. AC 150/5300-13, Airport Design, Contains FAA standards and recommendations for airport desigu, establishes approach visibility
minimums as an airport design parameter, and contains !he Object-free area and the obstacle free·zone criteria, ($26. Supt. Docs.) SN050-OO7-01208-O. b. AC 150/5370-10, Standards for
Specifying Construction ofAirports. Provides standards for construction ofairports. Items covered include earthwork, drainage, paving, turfing, lighting, and incidental construction.
($18. Supt. Docs.) SN050-0070821-0. A-1 
1117103 APPENDIX 2. DEFINITIONS OF TERMS USED IN THE AC l. AIR OPERATIONS AREA (AOA). Any area of the airport used or intended to be used for the landing, takeoff, or surface maneuvering
ofaircraft. An air operations area includes such paved or unpaved areas that are used or intended to be used for the unobstructed movement of aircraft in addition to its associated runways,
taxiways, or aprons. 2. CONSTRUCTION. The presence and movement of construction-related personnel, equipment, and materials in any location that could infringe upon the movement of aircraft.
3. CERTIFICATED AIRPORT. An airport that has been issued an Airport Operating Certificate by the FAA under the authority of 14 CFR part 139, Certification and Operation: Land Airports
Serving Certain Air Carriers, or it<> subsequent revisions. 4. FAA FORM 7460-1, NOTICE OF PROPOSED CONSTRUCTION OR ALTERATION. The form submitted to the FAA Regional Air Traffic or Airports
Division Office as formal written notification ofany kind ofconstruction or alteration of objects that affect navigable airspace, as defined in 14 CFR part 77, Object<> Affecting Navigable
Airspace (see AC 70/7460-2, Proposed Cons/ruction or Alteration ofObjects that May Affect the Navigable Airspace, found at http://www.faa.gov/arpJ). 5. FAA FORM 7480-1, NOTICE OF LANDING
AREA PROPOSAL. Form submitted to the FAA Airports Regional Division Office or Airports District Office as formal written notification whenever a project without an airport layout plan
on file with the FAA involves the construction ofa new airport; the constructionJ realigning, altering, activating, or abandoning ofa runway, landing strip, or associated taxiway; or
the deactivation or abandoning ofan entire airport (found at http://www.faa.gov/arpJ). 6. MOVEMENT AREA. The runways, taxiways, and other areas ofan airport that are used for taxiing
or hover 􀁴􀁡􀁸􀁩􀁩􀁮􀁧􀁾􀀠air taxiing, takeoff, and landing of aircraft, exclusive ofloading ramps and aircraft parking areas (reference 14 CFR part 139). 7. OBSTRUCTION. Any object/obstacle
exceeding the obstruction standards specified by 14 CFR part 77, subpart C. . 8. OBJECT-FREE AREA (OFA). An area on the ground centered on the runway, taxiway, or taxilane centerline
provided to enhance safety of aircraft operations by having the area free of objects except for those object<; that need to be located in the OFA for air navigation or aircraft ground
maneuvering purposes (see AC 150/5300-13, Airport Design, for additional guidance on OFA standards and wingtip clearance criteria). 9. OBSTACLE-FREE ZONE (OFZ). The airspace below 150
feet (45m) above the established airport elevation and along thc runway and extended runway centerline that is required to be clear ofall objects, except for frangible visual NAV AIDs
that need to be located in the OFZ because oftheir function, in order to provide clearance protection for aircraft landing or taking offfrom the runway and for missed approaches (refer
to AC 150/5300-13 for guidance on OFZs). 10. RUNWAY SAFETY AREA (RSA). A defined surfilce surrounding the runway prepared or suitable for reducing the risk of damage to airplanes in
the event ofan undershoot, overshoott or excursion from the runway, in accordance with AC 150/5300-13. 11. TAXIWAY SAFETY AREA. A defined surface alongside the taxiway prepared or suitable
for reducing the risk ofdamage to an airplane unintentionally departing the taxiway, in accordance with AC 150/530013. 12. THRESHOLD. The beginning ofthat portion ofthe runway available
for landing. In some instances, the landing threshold may be displaced. f3. DISPLACED THRESHOLD. The portion of pavement behind a displaced threshold that may be available for takeoffS
in either direction or landing from the opposite direction. 14. VISUAL GLIDE SLOPE INDICATOR (VGSI). This device provides a visual glide slope indicator to landing pilots. These systems
include precision approach path indicators (PAPls), visual approach slope indicators (VASIs), and pulse light approach slope indicators (PLASls). A-2 
1/17/03 AC 150/5370-2E APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE Aviation Safety Requirements During Construction PURPOSE. This appendix provides air POrE operators with
boilerplate format and language for developing a safety planfor an airport construction project. Adapt this appendix, as applicable, to specific conditions found on the airport for which
the plan is being developed. Consider including a copy ofthis safety plan in the construction drawings for easy access by contractor persannel. Plans shauldcontain the following: 1.
GENERAL SAFETY REQUiREMENTS. Throughout the construction project, the fonowing safety and operational practices should be observed: • Operational safety should be a standing agenda item
during progress meetings throughout the construction project • The contractor and airport operator must perfonn onsite inspections throughout the project, with immediate remedy ofany
deficiencies, whether caused by negligence, oversight, or project scope change. • Airport runways and and taxiways should remain in use by aircraft to the maximum extent possible. •
Aircraft use of areas near the contractor's work should be contrullcd to minimize disturbance to the contractor's operation. • Contractor, subcontractor, and supplier employees or any
unauthorized persons must be restricted from entering an airport area that would be hazardous. • Construction that is within the safety area of an active runway, taxiway, or apron that
is performed under normal operational conditions must be performed when the runway, taxiway, or apron is closed or use-restricted and initiated only with prior pennission from the airport
operator. • The contracting officer, airport operator, or other designated airport representative may order the contractor to suspend operations; move personnel, equipment, and materials
to a safe location; and stand by until aircraft use is completed. 2. CONSTRUCTION MAINTENANCE AND FACILITIES MAINTENANCE. Before beginning any construction activity, the contractor must,
through the the airport operator, give notice [using the Notice to Airmen (NOTAM) System] of proposed location) time, and date of commencement of construction. Upon completion of work
and return ofall such areas to standard conditions, the contractor must, through the airport operator, verify the cancellation of aU notices issued via the NOTAM System. Throughout the
duration ofthe construction project, the contractor must-a. Be aware of and understand the safety problems and hazards described in AC 150/5370-2, Operational Saftty on Airports During
Construction. b. Conduct activities so as not to violate any safety standards contained in AC 150/5370-2 or any of the references therein. c. Inspect all construction and storage areas
as often as necessary to be aware ofconditions. d. Promptly take all actions necessary to prevent or remedy any unsafe or potentially unsafe conditions as soon as they are discovered.
3. APPROACH CLEARANCE TO RUNWAYS. Runway thresholds must provide an unobstructed approach surface over equipment and materials. (Refer to Appendix 2 in AC 150/5300-13, Airport Design,
for guidance in this area.) 4. RUNWAY AND TAXIWAY SAFETY AREA (RSA AND TSA). Limit construction to outside of the approved RSA. as shown on the approved airport layout plan-unless the
runway is closed or restricted to aircraft operations, requiring a lesser standard RSA that is equal to the RSA available during construction (see AC 150/5370-2 for exceptions). Construction
activity within the TSA is pennissible when the taxiway is open to aircraft traffic if adequate wingtip clearance exists between the aircraft and equipment/material; evacuations, trenches,
or other conditions are conspicuously marked and lighted; and local NOTAMs are in effect for the activity (see AC 150/5300-13 for wingtip clearance requirements). The NOTAM should state
that, "personnel and equipment are working adjacent to Taxiway__." a. Procedures for protecting runway edges. • Limit construction to no closer than 200 feet (60m) from the runway centerline-unless
the runway is closed or restricted to aircraft operations, requiring a lesser standard RSA A-3 
AC 150/5370-2E 1/17/03 that is equal to the RSA available during • Coordinate construction activity with the construction. Airport Traffic Control Tower (ATCT) and • Prevent personnel,
materiait and/or equipment, as defined in AC 150/5300·13, Paragraph 306, "Obstacle Free Zone (OFZ)," from penetrating the OFZ. FAA Regional Airports Division Office or Airports District
Office, and through the airport operator, issue an appropriate NOTAM. Complete the following chart to determine the area that must be protected along the runway edges: AC 􀁬􀁾􀁜􀁽􀀯􀁊􀀬􀀧􀁖􀁜􀁊􀂷􀀱􀀳
􀀬􀀠Airport Design, to b. Procedures for protecting runway ends. • Maintain the RSA from the runway threshold to a point at least the distance from the runway threshold as existed before
construction activity-unless the runway is closed or restricted to aircraft operations, requiring an RSA that is equal to the RSA length available during construction in accordance with
AC 1501530()"13. This may involve the use of declared distances and partial runway closures (see AC 150/5370·2 for exceptions), • Ensure all personnel, materials, andlor equipment are
clear of the applicable threshold siti ng criteria surface, as defined in Appendix 2, "Threshold Siting Requirements," of AC 150/5300·13. the runway_ • Prevent personnel, material, andlor
equipment, as defined in AC 150/5300·13, from penetrating the obstacle-free zone. • Ensure adequate distance for blast protection is provided, as needed, • Coordinate construction activity
with the ATCT and FAA Regional Airports Division Office or Airports District Office, and through the airport operator, issue an appropriate NOTAM. • Provide a drawing showing the profile
of the appropriate surfaces ofeach runway end where construction will take place. Where operations by turbojet aircraft are anticipated, review takeoff procedures and jet blast characteristics
of aircraft and incorporate safety measures for construction workers in the contract documents. A-4 
1117103 AC 15015370-2E Complete the following chart to determine the area that must be protected before the runway threshold: __,FEET __, I to (threshold) __:FEET __,Ito (threshold)
__.·FEET . I to Airport Design, to 5. MARKING AND LIGHTING FOR TEMPORARY THRESHOLDS. Marking and lighting for a temporary threshold is__/is nOI__required. The airport owner or contractor,
as specified in the contract, will furnish and maintain markings for temporary thresholds. Precision approach path indicators (PAPIs) or runway end identification lights (REIL) are __/are
not __required. The airport owner or contractor, as specified in the contract, will furnish and install all temporary lighting. Include appropriate items per AC 150/5370-2, Chapter 3,
«Safety Standards and Guidelines." Ifmarking andlightingfor the temporary threshold is not required. delete this section ofthe safety plan. Ifvisual aids and/or markings are necessary,
provide details. (Include applicable 14 CFR part 77 surfaces in the contract documents.) 6. CLOSED RUNWAY MARKINGS AND LIGHTING. The following must be specified for closed runways. Closed
runway marking are __/are not__ required. Closed runway markings will be as shown on the plans__/as furnished by the airport owner__/other__ (specifY). Barricades, flagging, and flashers
are __/are not __required at Taxiway __ and Runway __and will be supplied by the airport __/other__(specify). 7. HAZARDOUS AREA MARKING AND LIGHTING. Hazardous areas on the movement
area will be marked with barricades, traffic cones, flags, or flashers (specify). These markings restrict access and make hazards obvious to aircraft, personnel, and vehicles. During
periods oflow visibility and at night, identify hazardous areas with red flashing or steady·burning lights (specify). The hazardous area marking and lighting will be supplied by runway.
the airport operator/contractor, as specified in the contract, and will be depicted on the plans. 8. TEMPORARY LIGHTING AND MARKING. Airport markings, lighting, andlor signs will be
altered in in the following manner (specify) during the period from to The alterations are depicted on the plans. 9. VEHICLE OPERATION MARKING AND CONTROL. Include the following provisions
in the construction contract, and address them in the safety plans, a. When any vehicle, other than one that has prior approval from the airport operator, must travel over any portion
ofan aircraft movement area, it will be escorted and properly identified. To operate in those areas during daylight hours, the vehicle must have a flag or beacon attached to it Any vehicle
operating on the movement areas during hours of darlmess or reduced visibility must be equipped with a flashing dome-type light, the color of which is in accordance with local or state
codes. b. It may be desirable to clearly identify the vehicles for control purposes by either assigned initials or numbers that are prominently displayed on each side of the vehicle.
The identification symbols should be at minimum 8-inch (20-cm) block-type characters of a contrasting color and easy to read. They may be applied either by using tape or a water-soluble
paint to fucilitate removal. Magnetic signs are also acceptable. In addition, vehicles must display identification media, as specified in the approved security plan. (This section should
be revised to conform to the airport operator's requirements.) A-5 
1117/03 AC 15015370-2E c. Employee parking shall be .,---.--:-_,..-,_--:-:--:-:--;-___(specify location), as designated by the airport manager __1 project engioeer ___/other___ (specify).
d. Access to the job site shall be via_-:-:--:-__. (specify route), as shown on the plans ___/designated by the engineer Idcsignated by the superintendent Idesignated by the airport
manager lother___ (specify). e. At 14 CFR part 139 certificated and towered airports, all vehicle operators having access to the movement area must be familiar with airport procedures
for the operation ofground vehicles and the consequences ofnoncompliance. f. Ifthe airport is certificated andlor has a security plan, the airport operator should check for guidance
on the additional identification and control of construction equipment. 10. NAVIGAnONAL AIDS. The contractor must not conduct any construction activity within navigational aid restricted
areas without prior approval from the local FAA Airway Facilities sector representative. Navigational aids include instrument landing system components and very high-frequency omnidirectional
range, airport surveillance radar. Such restricted areas are depicted on construction plans. 11. LIMITAnONS ON CONSTRUCTION. Additional limitations on construction include-a. Prohibiting
open-flame welding or torch cutting operations unless adequate fire safety precautions are provided and these operations have been authorized by the airport operator (as tailored to
conform to local requirements and restrictions). b. Prominently marking open trenches, excavations, and stockpiled materials at the construction and lighting these obstacles during hours
ofrestricted visibility and darkness. c. Marking and lighting closed, deceptive, and hazardous areas on airports, as appropriate. d. Constraining stockpiled material to prevent its movement
as a result ofthe maximum anticipated aircraft blast and forecast wind conditions. 12. RADIO COMMUNICATIONS. Vehicular traffic located in or crossing an active movement area must have
a working 􀁴􀁷􀁯􀁾􀁷􀁡􀁹􀀠radio in contact with the control tower or be escorted by a person in radio contact with the tower. The driver, through personal observation, should confirm
that no aircraft is approaching the vehicle position. Construction personnel may operate in a movement area without two-way radio communication provided a NOTAM is issued closing the
area and the area is properly marked to prevent incursions. Two-way radio communications are __/are nOI__required between contractors and the Airport Traffic Control Tower IFAA Flight
Service Station__/Airport Aeronautical Advisory Stations (UNICOMlcrAF) . Radio contact is lis not__required between the hours of__and __. Continuous monitoring is required __lor is required
only whcn equipment movement is necessary in certain areas__. (This section may be tailored to slIit the specific vehicle and safety reqllirements ofthe airport sponsor.) 13. DEBRIS.
Waste and loose material must not be placed in active movement areas. Materials tracked onto these areas must be removed continuously during the work project. A..fi 
1/17/03 AC 150/5370-2E APPENDIX 4. SAMPLE NOTAM _____AIRPORT FAA NOTAM # ____________ DATE: ________ AIRPORTI.D. # ____________ TIME: ________ NOTAMTEXT: NOTIFICA TON: # # # # TOWER
####FSS _____ PHONE # PHONE # INITIALS INITIALS TIME TIME AIRLINES CALLED IN BY CALLED IN BY CANCELLED: NOTIFICATON: # # # # TOWER _____ PHONE # INITIALS TIME CALLED IN BY ####FSS PHONE
# INITIALS TIME CALLED IN BY AIRLINES A-7 
•• 􀁾􀀠 I I I I' I, I I: I' • l1,, II, PROJECT NO. 8614 REPORT NO. 1 MARCH, 2002 FlEEC EnGinEERinG GROUP , GEOTECHNICAL INVESTIGATION ADDISON AIRPORT RUNWAYANDTAXrWAYS ADDISON, TEXAS
Presented To: COFFMAN ASSOCIATES PHOENIX, ARIZONA 
i,",,' . 􀁾􀀮􀀠I I 􀁉􀁾o 400' 800' 160 
111: .... ca ...... """ PLAN OF BORINGS Addison Airport Runway&T . Addison, =ys PLATE 1 
Proiect No. 8614 Date: 02-10-02 I LIMESTONE FRAGMENTS. yellowish-brown, fine-to coarse-grained, angular. wiclay (Fill) (GP) .Total Depth = .7 feet I; I: .. J I:. .I Ii II Ij II Ii II
reed rlnn Addison Airport. Runway and Taxiways Addison, Texas GROUP Location: See Plate 1 0􀁾􀀠5101520BORING LOGB-30 Pocket Penetrometer Readings Tons Per sq. Ft. -. Standard PenetratIon
Tests Blows per Foot -+OESCRlPTlQN OF STRATA 􀁾􀀠I 2 3 4 45t 4.5++ t Il 2Il 30 40 50 eo ASPHAL T (5.8") r . PLATE 31 I] 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭�
�􀀭􀀭􀂷􀁉􀁾􀁾􀀬􀁡􀁡􀁡􀁾􀀮􀁾􀁾􀁬􀂷􀁾􀀭
I 􀁾______􀁾__________________________________________􀁾􀁲􀁾􀁰􀁰􀀾􀁾􀁬􀁲􀁬􀁰􀁾􀁮􀁬􀀠I .I',n GROIJP Addison Airport . Proiect No; 8614 Runway and Taxiways Addison, Texas Date: 02-10-02
Location: See Plate I I CORE :r: I .... ]􀁾􀁩0.. c5 ClUJ1!5 c: .. c c: >'t Ii. , 0-•􀁾Ii I: Ii 6. J I: I: I: , lO-II '/1! I: • 15.' J I'I II 1\ 20DESCRIPTION OF STRATA I-. ASPHALT (6.3")
CLAYEY GRAVEL, brown, well-rounded, fine-to medium-grained, siliceous & calcareous, w/fine-to coarse-grained, sub-rounded to sub-angular sand (Fill) (BP) CLAY, dark gray, very stiff
(CHl Total Depth 􀁾􀀠2 feet " Pocket Penetrometer ReadingsTons Per Sq. Ft. -I standard Penetratlon Tests . Blows per Foot -+ f I 2 3 4 4.5+ 4.5+1 t [) 20 30 40 50 00 , 􀁾􀀠, I· I BORING
LOG B-31 PLATE 32L-----------------__________________________________ 􀁾􀁾􀁔􀁍􀁮􀁓􀀭I: I 
______ _____________ I I I I: I: II I! Ii I: Ii II .I It 1-1 IJ II .' I II-! I \ II .-􀁾________________􀁾__________􀁾􀁲􀁾􀁰􀁰􀀡􀀬􀁤􀁾􀁾􀁥􀁮􀀧􀁧􀁌􀁾􀁾􀂷􀂷􀂷􀁾􀁾􀀭􀀭􀀭􀁾􀀠Addison AirportProject
No. 8614 Runway and Taxiways Addison. Texas D<)te: 02-10-02 DESCRIPTION OF STRATA 5101520BORING LOG 8-32 \ ASPHALT (7.4") /CLAY. dark brown'<;; dark gray. stiff to hard; w/fine-to medlum-grained.
sOft. weathered limestone fragments (Fill) (CH) I-gray limestone III H/2' Total Depth =1-1/2 feet l...------------.GROUP Location: See Plate I Pocket Penetrometer ReadlOgs Tons Per Sq.
Ft. ..s: Standard Penetration Tests Blows per Foot -+ • I 2 3 t [) 20 30 . I PLATE 33 GEOTECH'IICALCONSlILTANTS 
I I I I: Ii Ii, I; Ii c , II II . I 11 ....-________________......_________..I.li en·.'glneerlng__􀁲􀁥􀀡􀀢􀀢􀀧􀁥􀂷􀁾􀁤..... ., COHESIONLESS SOILS SPT N-Values Relative (blows/foot) Density
o -4 ....... " ........... Very Loose 4 -10 ............... 􀁾........ Loose 10-30 ....................... Medium Oeose 30-SO ....................... Dense 50 + : ........................
Vary Dense HARDNESS . GROUP SOIL PROPERTIES COHESIVE SOILS Pocket Penetrometer IT .S.F.) Consistency <0.25 ..... w ............. Very Sol! 0.26-0.50 .............. Soft 0.50-1.00 ...............
Medium Stiff 1.00-2.00 ............. Stiff 2.00-4.00........... Very Sliff 4.00 + .................. Hard ROCK PROPERTIES DIAGNOSTIC FEATURES Very Soft......................... Can be
dented with moderate finger pressure. Sofl........... , ....................... Can be scratched easily with fingernail. Moderately Hard ............. Can be scralched easily with knife
but nol with fingernail. Hard ................... : ............ : .. Can be scratched with knife with some difficulty: can be broken by light to moderate hammer blow. Very Hard. ....................
.... Cannot be scratched with knife: can be broken by repeated heavy hammer blows. IEGREE Cf HEATf£R1NG DIAGNOSTIC FEATURES Slightly Weathered ............ Slight discoloration Inwards
from. open fractures. Weathered. ........................... Discoloration throughout: weaker minerals decomposed; strength somewhat less than fresh rock; struclure preserved. . Severely
Weathered ........... Most minerals somewhat decomposes; much softer than fresh rock; texture becoming inCUstinct but fabric and structure preserved. Completely Weathered ....... Minerai.
decomposed to soil; rock fabric and structure destroY"d (resldial soil). KEY TODESCRIPTIVE TERMS ON BORING LOGS PLATE 35 '---------------------------GEOTECHNICALCOOStJI.TANlS 
I I I I· ., Ii,, I::i . 1\ 1.1 It I;,J 11 II Ii. , Ii,. Ii "..I IJ Ij/GEOTECHNICAL INVESTIGATION ADDISON AIRPORT RUNWAY AND TAXIWAYS ADDISON, TEXAS (Continued) Summary of Classification
and Index Property Tests Percent Liquid Plastic Plasticity Passing Boring Depth Limit Limit Index No. 200 NQ.. (feet) (%) (%) (PI) Sieve 6-30 G.4 -0.7 , 17 B-31 1.0 -2.0 66 26 40 6-32
0.5 -1.0 56 22 34 SUMMARY OF LABORATORY TEST RESULTS PLATE 38 I \ 
J o Advisory u.s. Department of Transportation Federal Aviation CircularAdministration Subject: OPERATIONAL SAFETY ON AIRPORTS _D_U_RlN_G_C_O_N_S_TR_U_C_TI_O_N________ 1. THE PURPOSE
OF THIS ADVISORY CIRCULAR (AC). Aviation safety is the primary consideration at airports, especially during construction. TIlls AC sets forth guidelines for operational safety on airports
during construction. It contains major changes to the following areas: URunway Safety Area," paragraph 3-2; HTaxiway Safety AreaS/Object-Free Areas," paragraph 3-3; 􀀧􀁾􀁏􀁶􀁥􀁲􀁶􀁩􀁥􀁷􀀬􀀱􀀩􀀠paragr
aph 3-4; "Marking Guidelines for Temporaty Threshold," paragraph 3-5; and "Hazard Marking and Lighting," paragraph 3-9. 2. WHAT THIS AC CANCELS. This AC cancels AC 150/5370-2D, Operational
Safety on Airports During Construction, dated May 31, 2002. 3. READING MATERIAL RELATED TO THIS AC. Appendix I contains a list ofreading materials on airport construction, design, and
potential safety hazards during construction, as well as instructions for ordering these documents. Many ofthem, including this AC, are available on the Federal Aviation Administration
(FAA) Web site. Date: 1117/03 AC No: 150/5370-2E Initiated by: AAS-300 Change: 4. WHO TillS AC AFFECTS. This AC assists airport operators in complying with 14 Code of Federal Regulations
(CFR), part 139, Certification and Operation: Land Airports Serving Certsin Air Carriers, and with the requirements of airport construction projects receiving funds under the Airport
Improvement Program or from the Passenger Facility Charge Program. While the FAA does not require noncertificated airports without grant agreements to adhere to these guidelines, we
recommend that they do so as it will help these airports maintain a desirable level of operational safety during construction, 5. ADDITIONAL BACKGROUND INFORMATION. Appendix 2 contains
defmitions of terms used in this AC. Appendix 3 provides airport operators with boilerplate format and language for developing a safety plan for an airport construction project. Appendix
4 is a sample Notice to Airmen form. 6. HAZARD LIGHTING IMPLEMENTATION TIME LINE. Supplemental hazard lighting must be red in color by October 1, 2004. See paragraph 3-9 for more information.
DAVID L. BENNETT Director, Office of Airport Safety and Standards 
1/17/03 AC 150/5370-2E CONTENTS Paragraph CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSiBILITIES ...••..........••..........•••.•••••....••••••...•1 1·1. Overview................................
........................ ,'".,., ....... , ................... , ....... , ... , .......................................................... 1 1·2. Who Is Responsible for Safety During
Construction ................................................................................................ 1 CHAPTER 2. SAFETY PLANS ...............................................................
.................................................................3 Section 1. Basic Safety Plan Considerations ........................................................................................
...............3 2·1. Overview........................................................................................................ , .................................... ,., .......
, .......... 3 2·2. Safety Plan Checklist. ..................................................................................... , .........................................................
3 Section 2. Safety and Security Measures .............................................................................................................4 2·3, Overview.....................
, .................................... , ....................................................................................................... 4 2-4. Vehicle Operation and Marking
and Pedestrian Control ..........................................................................................4 2·5. Construction Employee Parking Areas ...........................................
.......................................................................... 5 2·6. Construction Vehiele Equipment Parking ..............................................................................
.................................. 5 2·7. Radio Communication Training ......................................................................................................................
, ........ 5 2-8. Fencing and 0.005 ....................................................................................................................................................5
Section 3. Notification of Construction Activities .................................................................................................5 2-9. Oeneral. ...................................
................................................................................................................................5 2-10. Assuring Prompt Notifications .................................
.................................. , ............................................................. 6 2·11. Notices to Airmen (NOTAMs), , ..............................................................
.................................................................6 2·12. Aircraft Rescue and Fire Fighting (ARFF) Notification ........................................................................
...................6 2-13. Notification to the FAA...........................................................................................................................................6
2-14. Work Scheduling and Accomplishment. ....................................................................................................... , .......... 6 CHAPTER 3. SAFETY STANDARDS
AND GUIDELINES ......................................................................................7 Section 1. Runway and Taxiway Safety Areas, Obstacle-Free Zones, and Object-Free
Areas .......................7 3-1, Overview.........,., ....... ,""" .......... ,""',............ ".,.,.,.,.,.,., ... , ..............................................................................
......... 7 3-2. Runway Safety Area (RSA)/Obstacle-Free Zone (OFZ) ..........................................................................................7 3-3. Taxiway Safety Areas/Object-Free
Areas ................................................................................................................ 7 Section 2. Temporary Runway Thresholds .......................................
....................................................................8 3-4. Overview....................................................................................................................
............................................. 8 3-5. Marking Ouidelines for Temporary Threshold .......................................................................................................
.. 8 3-6, Lighting Ouidelines for Temporary Threshold .........................................................................................................9 Section 3. Other Construction
Marking and Lighting Activitles .......................................................................10 3-7, Overview................................................................................
............................................................................... 10 3·8, Closed Runway and Taxiway Marking and Lighting ................................................................
............................. 10 3-9. Hazard Marking and Lighting ................................................................................................................................
10 3-10. Construction Near Navigational Aids (NA VAlDs) ................................................................................................ 11 3·11. Construction Site Access
and Haul Roads .............................................................................................................. 11 3-12. Construction Material Stockpiling ..............................
............................................................................................ 11 3-13. Other Limitations on Construction ...............................................................
.......................................................... 11 3-14. Foreign Object Debris (FOD) Management. ...........................................................................................
............... 12 Section 4. Safety Hazards and Impacts ...............................................................................................................12 3-15. Overview..............
............................ " .................................................................................................................... 12 iii 
AC 150f5370-2E 1f17f03 Appendices APPENDIX I. RELATED READING MATERIAL ................................................................................................... A·1 APPENDIX
2. DEFINITIONS OF TERMS USED IN THE AC ................................................................................... A-2 APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE
.............................................................. A-3 APPENDIX 4. SAMPLE NOTAM ...........................................................................................................
................. A·7 iv 
1117103 AC 15015370-2E CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSIBILITIES l-t. OVERVIEW. Hazardous practices and marginal conditions created by construction activities can decrease
orjeopardize operational safety on airports. To minimize disruption of normal aircraft operations and to avoid situations that compromise the airport's operational safety, the airport
operator must carefully plan, schedule, and coordinate construction activities. While the guidance in this AC is primarily used for construction operations, some ofthe methods and procedures
described may also enhance dayto-day maintenance operations. 1-2. WHO IS RESPONSmLE FOR SAFETY DURING CONSTRUCfION. An airport operator has overall responsibility for construction activities
on an airport. This inclndes the predesign, design, preconstruction, construction, and inspection phases. Additional information on these responsibilities can be found throughout this
AC. a. Airport operator's responsibilities(1) Develop internally or approve a construction safety plan developed by an outside consultant/contractor that complies with the safety guidelines
in Chapter 2, "Safety Plans," and Appendix 3, "Airport Construction Safety Planning Guide," ofthis AC. (2) Require contractors to submit plans indicating how they intend to comply with
the safety requirements ofthe project. (3) Convene a meeting with the construction contractor, consultant, airport employees, and, if appropriate, tenant sponsor to review and discuss
project safety before beginning construction activity. (4) Ensure contact information is accurate for each representativefpoint of contact identified in the safety plan. (5) Hold weekly
or, ifnecessary, daily safety meetings to coordinate activities. (6) NotifY users, especially aircraft rescue and fire fighting (ARFF) personnel, ofconstruction activity and conditions
that may adversely affect the operational safety ofthe airport via Notices to Airmen (NOTAMs) or other methods, as appropriate. Convene a meeting for review and discussion ifnecessary.
(7) Ensure that construction personnel know of any applicable airport procedures and ofchanges to those procedures that may affect their work. (8) Ensure that construction contractors
and subcontractors undergo training required by the safety plan. (9) Develop andlor coordinate a construction vehicle plan with airport tenants, the airport traffic control tower (ATCT),
and construction contractors. Include the vehicle plan in the safety plan. See Chapter 2, section 2, ofthis AC fur additional information. (10) Ensure tenants and contractors comply
with standards and procedures for vehiele lighting, marking, access, operation, and communication. (11) At certificated airports, ensure that each tenant's construction safety plan is
consistent with 14 CFR part 139, Certification and Operations: Land Airports Serving Certain Air Carriers. (12) Conduct frequent inspections to ensure construction contractors and tenants
comply with the safety plan and that altered construction activities do not create potential safety hazards. (13) Resolve safety deficiencies immediately. (14) Ensure construction access
complies with the security requirements of49 CFR part 1542, Airport Security. (15) Notify appropriate parties when conditions exist that invoke provisions ofthe safety plan (e.g., implementation
oflow-visibility operations). b. Construction contractor's responsibilities(1) Submit plans to the airport operator on how to comply with the safety requirements ofthe project. (2) Have
available a copy ofthe project safety plan. (3) Comply with the safety plan associated with the construction project and ensure that construction personnel are familiar with safety procedures
and regulations on the airport. (4) Provide a point ofcontact who will coordinate an immediate response to correct any construction-related activity that may adversely affect the operational
safety ofthe airport. (5) Provide a safety officerfconstruction inspector familiar with airport safely to monitor construction activities. (6) Restrict movement movement ofconstruction
vehicles to construction areas by flagging and barricading, erecting temporary fencing, or providing escorts, as appropriate. 1 
(7) Ensure that no construction employees, employees ofsubcontractors or suppliers, or other persons enter any part ofthe air operations areas (AOAs) from the construction site unless
authorized. c, Tenant's responsibilities if planning construction activities on leased property(1) Develop a safety plan, and submit it to the airport operator for approval prior to
issuance of a Notice to Proceed. (2) Provide a point ofcontact who will coordinate an immediate response to correct any construction-related activity that may adversely affect the operational
safety ofthe airport. (3) Ensure that no tenant or construction employees, employees ofsubcontractors or suppliers, or any other persons enter any part ofthe AOA from the construction
site unless authorized. (4) Restrict movement ofconstruction vehicles to construction areas by flagging and barricading or erecting temporary fencing. 2 
1/17/03 AC 150/5370-2E CHAPTER 2. SAFETY PLANS Section 1. Basic Safety Plan Considerations 2-1. OVERVIEW. Airport operators should coordinate safety issues with the air carriers, FAA
Airway Facilities, and other airport tenants before the design phase ofthe project. Tbe airport operator should identifY project safety concerns, requirements, and impacts before making
arrangements with contractors and other personnel to perform work on an airport. These safety concerns will serve as the foundation for the construction safety plan and help maintain
a high level of aviation safety during the project. The airport operator should determine the level of complexity ofthe safety plan that is necessary for each construction project and
its phases. The safety plan may be detailed in the specifications included in the invitation for bids, or the invitation for bid may specifY that the contractor develop the safety plan
and the airport operator approve it. In the latter case, the invitation for bid should contain sufficient information to allow the contractor to develop and determine the costs associated
with the safety plan. In either case, safety plan costs should be incorporated into the total cost ofthe project. The airport operator has final approval authority and responsibility
for all safety plans. Coordination will vary from formal predesign conferences to informal contacts throughout the duration ofthe construction project. Details ofa specified safety plan,
or requirements for a contractor-developed safety plan, should be discussed at the predesign and preconstruction conferences and should include the following, as appropriate: a. Actions
necessary before starting construction, including defining and assigning responsibilities. b. Basic responsibilities and procedures for disseminating instructions about airport procedures
to the contractor's personnel. c. Means ofseparating construction areas from aeronautical-use areas. d. Navigational aid (NAV AID) requirements and weather. e. Marking and lighting plan
illustrations. f. Methods ofcoordinating significant changes in airport operations with all the appropriate parties. 2-2. SAFETY PLAN CHECKLIST. To the extent applicable, the safety
plan shOUld address the following: a. Scope of work to be performed, including proposed duration of work. b. Runway and taxiway marking and lighting. c. Procedures for protecting all
runway and taxiway safety areas, obstacle-free zones (OFZs), object-free areas (OFAs), and threshold citing criteria outlined in AC 150/5300-l3,Ailporl Design. and as described in this
AC. This includes limitations on equipment height and stockpiled material. d. Areas and operations affected by the construction activity, including possible safety problems. e. NAV AIDs
that could be affected, especially critical area boundaries. f. Methods ofseparating vehicle and pedestrian construction traffic from the airport movement areas. This may include fencing
off construction areas to keep equipment operators in restricted areas in which they are authorized to operate. Fencing, or some other form of restrictive barrier, is an operational
necessity in some cases. g. Procedures and equipment, such as barricades (identity type), to delineate closed construction areas from the airport operational areas. as necessary. h.
Limitations on construction. i. Required compliance ofcontractor personnel with all airport safety and security measures. j. Location ofstockpiled construction materials, construction
site parking, and access and haul roads. k. Radio communications. l. Vehicle identification. m. Trenches and excavations and cover requirements. 3 
1/17/03 AC 150/5370-2E n. Procedures for notifYing ARFF personnel if water lines or fIre hydrants must be deactivated or if emergency access routes must be rerouted or blocked. o. Emergency
notifIcation procedures for medical and police response. p. Use of temporary visual aids. q. Wildlife management. r. Foreign object debris (FOD) control provisions. s. Hazardous materials
(HAZMA1) management. t. NOTAM issuance. u. Inspection requirements. v. Procedures for locating and protecting existing underground utilities, cables, wires, pipelines, and other underground
facilities in excavation areas. w. Procedures for contacting responsible representatives/points of contact for all involved parties. This should include off·duty contact information
so an immediate response may be coordinated to correct any construction-related activity that could adversely affect the operational safety of the airport. Particular care should be
taken to ensure that appropriate Airways Facilities personnel are identifIed in the event that an unanticipated utility outage Or cable cut occurs that impacts FAA NA V AIDs. x. Vehicle
operator training. y. Penalty provisions for noncompliance with airport mles and regulations and the safety plan (e.g., ifa vehicle is involved in a mnway incursion). z. Any special
conditions that affect the operation ofthe airport and will require a portion ofthe safety plan to he activated (e.g., low-visibility operations, snow removal). Section 2. Safety and
Security Measures 2-3. OVERVIEW. Airport operators are responsible for closely monitoring tenant and construction contractor activity during the construction project to ensure continual
compliance with all safety and security requirements. Airports subject to 49 CFR part 1542, Airport Security, must meet standards for access control, movement ofground vehicles, and
identifIcation ofconstruction contractor and tenant personnel. In addition, airport operators should use safety program standards, as described in Chapter 3 of this AC, to develop specific
safety measures to which tenants and construction contractors must adhere throughout the duration ofconstruction activities. General safuty provisions are contained in AC 150/5370-10,
Standards for SpecifYing Construction of Airports, paragraphs 40-05, "Maintenance ofTraffic"; 70-08, "Barricades, Warning Signs, and Hazard Markings"; and 80-04, "Limitation ofOperations."
At any time during construction, aircraft operations, weather, security, or local airport mles may dictate more stringent safety measures. The airport operator should enSUre that both
general and specific safety requirements are coordinated with airport tenants and A TCT personnel. The airport operator should also include these parties in the coordination of all bid
documents, construction plans, and specifications for on-airport construction projects. 2-4. VEHICLE OPERATION AND MARKING AND PEDESTRIAN CONTROL. Vehicle and pedestrian access routes
for airport construction projects must be controlled to prevent inadvertent or unauthorized entry of persons, vehicles, or animals onto the AOA. This includes aircraft movement and nonmovement
areas. The airport operator should develop and coordinate a construction vehicle plan with airport tenants, contractors, and the A TCT. The safety plan or invitation for bid should include
specific vehicle and pedestrian requirements. The vehicle plan should contain the fullowing items: a. Airport operator's mles and regUlations for vehicle marking, lighting, and operation.
b. Requirements for marking and identifying vehicles in accordance with AC 15015210-5, Painting, Marking. and Lighting ofVehicles Used on an Airport. c. Description of proper vehicle
operations on movement and nonmovement areas under normal, lost communications, and emergency conditions. d. Penalties for noncompliance with driving mles and regnlations. e. Training
requirements for vehicle drivers to ensure compliance with the airport operator's vehicle mles and regulations. f. Provisions for radio communication training for construction contractor
personnel engaged in construction activities around aircraft movement areas. Some drivers) 4 
1/17/03 AC 150/5370-2E such as construction drivers under 􀁥􀁳􀁣􀁯􀁲􀁴􀁾􀀠may not require this training. g. Escort procedures for construction vehicles requiring access to aircraft movement
areas. A vehicle in the movement area must have a working aviation-band, two-way radio unless it is under escort. Vehicles can be in closed areas without a radio if the closed area is
properly marked and lighted to prevent incursions and a NOTAM regarding the closure is issued. h. Monitoring procedures to ensure that vehicle drivers are in compliance with the construction
vehicle plan. t Procedures for, if appropriate, personnel to control access through gates and fencing or across aircraft movement areas. 2-5. CONSTRUCTION EMPLOYEE PARKING AREAS. Designate
in advance vehicle parking areas for contractor employees to prevent any unauthorized entry of persons or vehicles onto the airport movement area. These areas should provide reasonable
contractor employee access to the job site. 2-6. CONSTRUCTION VEHICLE EQUIPMENT PARKING. Construction employees must park and service all construction vehicles in an area designated
by the airport operator outside the runway safety areas and OFZs and never on a closed taxiway or runway. Employees should also park construction vehicles outside the OF A when not in
use by construction personnel (e.g., overnight, on weekends, or during other periods when construction is not active). Parking areas must not obstruct the clear line of sight by the
ATCT to any taxiways or runways under air traffic control nor obstruct any runway visual aids, signs, Or navigational aids. The FAA must also study those areas to determine effects on
14 CFR part 77, Objects Affecting Navigable Airspace, surfaces (see paragraph 2-13 for further information). 2-7. RADIO COMMUNICATION TRAINING. The airport operator must ensure that
tenant and construction contractor personnel engaged in activities involving unescorted operation on aircraft movement areas observe the proper procedures for communications, including
USing appropriate radio frequencies at airports with and without ATCTs. Training of contractors on proper communication procedures is essential for maintaining airport operational safety.
When operating vehicles on or near open runways or taxiways, construction personnel must understand the critical importance of maintaining radio contact with airport operations, ATCT,
or the Common Traffic Advisory Frequency, which may include UNICOM, MUL nCOM, or one of the FAA Flight Service Stations (FSS), as directed by airport management. Vehicular traffic crossing
active movement areas must be controlled either by two-way radio with the A TCT, escort, flagman, signal light, or other means appropriate for the particular airport. Vehicle drivers
must confum by personal observation that no aircraft is approaching their position when given clearance to crOSs a runway: In . addition, it is the responsibility of the escort vehIcle
drIver to verifY the movement/position of all escorted vehicles at any given time. Even though radio communication is maintained, escort vehicle drivers must also familiarize themselves
with ATCT light gun signals in the event of radio failure (see the FAA safety placard "Ground Vehicle Guide to Airport Signs and Markings"). This sarety placardmay be ordered through
the Runway Sarety Program Web site at http://www.faarsp.org or obtained from the Regional Airports Division Office. 2-8. FENCING AND GATES. Airport operators and contractors must take
care to maintain a high level of safety and security during construction when access points are created in the security fencing to permit the passage ofconstruction vehicles or personnel.
Temporary gates should be equipped so they can be securely closed and locked to prevent access by animals and people (especially minors). Procedures should be in place to ensure that
only authorized persons and vehicles have access to the AOA and to prohibit "piggybacking" behind another person or vehicle. The Department of Transportation (DOT) document DOTIF AAlAR-OO/52,
Recommended Security Guidelines for Airport Planning and Construction, provides more specific information on fencing. A copy ofthis 􀁤􀁯􀁣􀁾􀁭􀁥􀁮􀁴􀀠can be obtained from the Airport
Consultants Council, Airports Council International, or American Association ofAirport Executives. Section 3. Notification of Construction Activities 2-9. GENERAL. In order to maintain
the desired levels of operational safety on airports during construction activities, the sarety plan should contain the notification actions described below. 5 
1117103 2·10. ENSURING PROMPT NOTIFlCATIONS. The airport operator should establish and follow procedures for the immediate notification of airport users and the FAA of any conditions
adversely affecting the operational safety ofan airport. 2·11. NOTICES TO AffiMEN (NOTAMS). The airport operator must provide information on closed or hazardous conditions on airport
movement areas to the FSS so it can issue a NOTAM. The airport operator must coordinate the issuance, maintenance, and cancellation of NOTAMs about airport conditions resulting from
construction activities with tenants and the local air traffic fucility (control tower, approach control, or air traffic control center. Rerer to AC 150/5200.28, Nolices 10 Airmen (NOTAMs)
for Airport Operators, and Appendix 4 in this AC for a sample NOTAM form. Only the FAA may issue or cancel NOTAMs on shutdown or irregular operation ofF AA-owned facilities. Only the
airport operator or an authorized representative may issue or cancel NOTAMs on airport conditions. (The airport owner/operator is the only entity that can close or open a runway.) The
airport operatormust file and maintain this list of authorized representatives with the FSS. Any person having reason to believe that a NOTAM is missing, incomplete, or inaccurate must notify the airport
operator. 2·12. AIRCRAFT RESCUE AND FIRE FIGHTING (ARFF) NOTIFICATION. The safety plan must provide procedures for notifying ARFF personnel, mutual aid providers, and other emergency
services ifconstruction requires shutting offor otherwise disrupting any water line or fire hydrant on the airport or adjoining areas and if contractors work with hazardous material
on the airfield. Notification procedures must also be developed for notifying ARFF and all other emergency personnel when the work performed will close or affect any emergency routes.
Likewise, the procedures must address appropriate notifications when services are restored. 2·13. NOTIFICATION TO THE FAA. For certain airport projects, 14 CFR part 77 requires notification
to the FAA. In addition to applications made for Federally funded construction, 14 CFR part 157, Notice ofConstruction, Alteration. Activation, and Deactivation ofAirports, requires
that the airport operator notify the FAA in writing whenever a non·Federally funded project involves the construction ofa new airport; the construction, realiguing, altering, activating,
or abandoning of a runway, landing strip, or associated taxiway; or the deactivation or abandoning of an entire airport. Notification involves submitting FAA Form 7480·1, Notice of Landing
Area Proposal, to the nearest FAA Regional Airports Division Office or Airports District Office. Also, any person proposing any kind ofconstruction or alteration ofobjects that affect
navigable airspace, as defined in 14 CFR part 77 must notify the FAA. This includes construction equipment and proposed parking areas for this equipment (j.e., cranes, graders, etc.).
FAA Form 7460·1, Notice ofProposed Construction or Alteration, Can be used for this purpose and submitted to the FAA Regional Airports Division Office or Airports District Office. (See
AC 70/7460·2, Proposed Construction or Alteration ofObjects that May Affect the Navigable Airspace.) If construction operations require a shutdown ofan airport owned NA V AID from service
for more than 24 hours or in excess of4 hours daily on consecutive days, we recommend a 45·day minimum notice prior to facility shutdown. Coordinate work for a FAA owned NA V AID shutdown
with the local FAA Airways Facilities Office. In addition, procedures that address unanticipated utility outages and cable cuts that could impact FAA NA V AIDs must be addressed. 2·14.
WORK SCHEDULING AND ACCOMPLISHMENT. Airport operators-or tenants having construction on their leased properties-should use predesigu, prebid, and preconstruction conferences to introduce
the subject of airport operational safety during construction (see AC 150/5300·9, Predesign, Preb/Ii, and Preconslruction Conferencesfor Airport Grant Projects). The airport operator,
tenants, and construction contractors should integrate operational safety requirements into their planning and work schedules as early as practical. Operational sarety should be a standing
agenda item for discussion during progress meetings throughout the project The contractur and airport operator should carry out onsite inspections throughout the project and immediately
remedy any deficiencies, whether caused by negligence, oversight, or project scope change. 6 
1/17/03 AC 15015370-2E CHAPTER 3. SAFETY STANDARDS AND GUIDELINES Section 1. Runway and Taxiway Safety Areas, Obstacle-Free Zones, and Object-Free Areas 3-1. OVERVIEW. Airport operators
must use these safety guidelines when preparing plans and specifications for construction activities in areas that may interfere with aircraft operations. The safety plan should recognize
and address these standards for each airport construction project. However, the safety plan must refleet the specific needs ofa particular project, and for this reason, these safety
guidelines should not be incorporated verbatim into project specifications. For additional guidance on meeting safety and security requirements, refer to the planning guide template
included in Appendix 3 ofthis AC. 3-2. RUNWAY SAFETY AREA (RSA)/OBSTACLE-FREE ZONE (OFZ). A runway safety area is the defined surface surrounding the runway prepared or suitable for
reducing the risk of damage to airplanes in the event of an undershoot, overshoot, or excursion from the runway (see AC 150/5300-13, Airport Design). Construction activities within the
standard RSA are subject to the following conditions: a. Runway edges. (I) No construction may occur closer than 200 feet (60m) from the runway centerline unless the runway is closed
or restricted to aircraft operations, requiring an RSA that is equal to the RSA width available during construction, or 400 feet, whichever is less (see AC 15015300-13, Tables 3-1 through
3-3). (2) Personnel, material, andlor equipment must not penetrate the OFZ, as defined in AC 150/530013. (3) The airport operator must coordinate the construction activity in the RSA
as permitted above with the ATCT and the FAA Regional Airports Division Office or appropriate Airports District Office and issue a local NOT AM. b. Runway ends. (1) An RSA must be maintained
ofsuch dimensions that it extends beyond the end ofth. runway a distance equal to that which existed before construction activity, unless the runway is closed or restricted to aircraft
operations operations for which the reduced RSA is adequate (see AC 150/5300-13). The temporary use ofdeclared distances andlor partial runway closures may help provide the necessary
RSA. In addition, all personnel, materials, andlor equipment must remain clear of the applicable threshold siting surfaces, as defined in Appendix 2, "Threshold Siting Requirements,"
ofAC 150/5300-13.' Consult with the appropriate FAA Regional Airports Division Office or Airports District Office to determine the appropriate approach surface required. (2) Personnel,
material, andlor equipment must not penetrate the OFZ, as defined in AC 150/530013. (3) The sarety plan must provide procedures for ensuring adequate distance for blast protection, if
required by operational considerations. (4) The airport operator mllst coordinate construction activity in this portion ofthe RSA with the ATCT and the FAA Regional Airports Division
Office or appropriate Airports District Office and issue a local NOTAM. c. Excavations. (1) Construction contractors must prominently mark open trenches and excavations at the construction
site with red or orange flags, as approved by the airport operator, and light them with red lights during hours ofrestricted visibility or darkness. (2) Open trenches or excavations
are no! permitted within 200 feet (60m) ofthe runway centerline and at least the existing RSA distance from the runway threshold while the runway is open. Ifthe runway must be opened
before excavations are backfilled, cover the excavations appropriately. Coverings for open trenches or excavations must be ofsufficient strength to support the weight ofthe heaviest
aircraft operating on the runway. 3-3. TAXIWAY SAFETY AREAS/OBJECTFREE AREAS. a. Unrestricted construction activity is permissible adjacent to taxiways when the taxiway is restricted
to aircraft such that the available taxiway safety area is equal 'If. full safety are. cannot be obtained through declared distances and partial closures. or other methods such as alternate
runway use, construction activity may operate in the RSA as long as conditions cited in paragraph 3-1 b(2) thru (4) arc met. In addition, various surfaees outlined in AC 15015300-13
and Tenninal Instrument Procedures (TERPS) must be protected through an .eronautical study. 7 
AC 150/5370-2E 1/17/03 to at least Y:i ofthe widest wingspan ofthe aircraft expected to use the taxiway and the available taxiway object-free area is equal to at least.7 times the widest
wingspan plus 10 feet. (See AC 15015300-13 for guidance on taxiway safety and object-free areas.) Construction activity may be accomplished closer to a taxiway, subject to the following
restrictions: (1) The activity is flrst coordinated with the airport operator. (2) Appropriate NOTAMs are issued. (3) Marking and lighting meeting the provisions ofparagraph 3-9 are
implemented. (4) Adequate clearance is maintained between equipment and materials and any part ofan aircraft. If such clearance can only be maintained ifan aircraft does not have full
use ofthe entire taxiway width (with its main landing gear at the edge of the pavement), then it will be necessary to move personnel and equipment for each passing aircraft. In these
situations, flag persons will be used to direct construction equipment, and wing walkers may be necessary to guide aircraft. Wing walkers should be airline/aviation personnel rather
than construction workers. b. Construction contractors must prominently mark open trenches and excavations at the construction site, as approved by the airport operator, and light them
with red lights during hours of restricted visibility or darkness c. Excavations and open trenches may be permitted up to the edge ofa structural taxiway and apron pavement provided
the dropoff is marked and lighted per paragraph 3-9, "Hazard Marking and Lighting." Section 2. Temporary Runway ThresholdS 3-4. OVERVIEW. Construction activity in a runway approach area
may result in the need to partially close a runway or displace the existing runway threshold. In either case, locate the threshold in accordance with Appendix 2 ofAC 150/5300-13, Airport
Design. Objects that do not penetrate these surfaces may still be obstructions to air navigation and may affect slandard instrument approach procedures. Coordinate these objects with
the FAA's Regional Regional Airports Office or appropriate Airports District Office, as necessary. Refer to the current edition ofAC 150/5300-13 for guidance on threshold siting requirements.
The partial runway closure, the displacement oflhe runway threshold, as well as closures ofthe complete runway and other portions ofthe movement area also requires coordination with
appropriate ATCT personnel and airport users. Caution regarding partial runway closures: When filing a NOT AM for a partial runway closure, clearly state 10 FSS personnel that the portion
ofpavement located prior to the threshold is not available for landing and departing traffic. In this case, the threshold has been moved for both landing and takeoff purposes (this is
different than a displaced threshold). Example NOTAM: "North 1,000 feet of Runway 18/36 is closed; 7,000 feet remain available on Runway 18 and Runway 36 for arrivals and departures."
There may be situations where the portion ofclosed runway is available for taxiing only. Ifso, the NOTAM must reflect this condition, Caution regarding displaced thresholds: Implementation
ofa displaced threshold affects runway length available for aircraft landing over the displacement. Depending on the reason for the displacement (to provide obstruction clearance or
RSA), such a displacement may also require an adjustment in the landing distance available and accelerate-stop distance available in the opposite direction. Ifproject scope includes
personnel, equipment, excavation, etc. within the RSA ofany usable runway end, we do not recommend a displaced threshold unless arrivals and departures toward the construction activity
are prohibited. Instead, implement a partial closure. 3-5. MARKING GUIDELINES FOR TEMPORARY THRESHOLD. Ensure that markings for temporary displaced thresholds are clearly visible to
pilots approaching the airport to land. When construction personnel and equipment are located close to any threshold, a temporary visual NAV AID, such as runway end identifler lights
(REIL), may be required (even on unlighted runways) to derme the new beginning ofthe runway clearly. A visual vertical guidance device, such as a visual approach slope indicator (V ASI),
pulse light approach slope indicator (PLASI), or precision approach path indicator (PAP!), may be necessary to assure landing clearance over personnel, vehicles, equipment, andlor above-grade
stockpiled materials. ifsuch devices are installed, ensure an appropriate descriptive NOTAM is issued to inform pilots ofthese conditions. The current edition of AC 150/5340-1, Standards
jor A irport Markings, describes standard marking colors and layouts. In addition, we recommend that a temporary runway threshold be marked using the following guidelines: a. Airport
markings must be clearly visible to pilots; not misleading, confusing, or deceptive; secured in place to prevent movement by prop wash, jet blast, wing vortices, or other wind currents;
and constructed of 8 
1/17103 AC 150/537tJ..2E materials that would minimize damage to an aircraft in the event of inadvertent contact. (I) Pavement markings for temporary closed portions of the runway should
consist of yellow chevrons to identify pavement areas that are unsuitable for takeoffllanding (see AC 150/5340·1). If unable to paint the markings on the pavement, construct them from
any of the following materials: double-layered painted snow fence, colored plastic, painted sheets ofplywood, or similar materials. They must be properly configured and secured to prevent
movement by prop wash,jet blast, or other wind currents. (2) It may be necessary to remove or cover runway markings, such as runway designation markings and aiming point markings, depending
on the length of construction and type of activity at the airport. (3) When threshold markings are needed to identify the temporary beginning ofthe runway that is available for landing,
use a white threshold bar ofthe dimensions specified in AC 150/5340·1. (4) If temporary temporary outboard elevated or flush threshold bars are used, locate them outside of the runway
pavement surface, one on each side ofthe runway. They should be at least 10 feet (3m) in width and extend outboard from each side of the runway so tbey are clearly visible to landing
and departing aircraft. These threshold bars are white. lithe white threshold bars are not discemable on grass or snow, apply a black background with appropriate material over the ground
to ensure the markings are clearly visible. (5) A temporary threshold may also be marked with the use ofretrorefleetive, elevated markers. One side of such markers is green to denote
the approach end of the runway; the side that is seen by pilots on rollout is red. See AC 15015345·39, FAA Specification L· 853, Runway and Taxiway Retrorejleclive Markers. (6) At 14
CFR part 139 certificated airports, temporary elevated threshold markers must be mounted with a frangible fitting (see 14 CFR part 139.309). However, at non certificated airports, the
temporary elevated threshold markings may either be mounted with a frangible fitting or be flexible. See AC 150/5345·39. b. The application rate of the paint to mark a short· term temporary
runway threshold may deviate from the standard (see Item P--620, "Runway and Taxiway Painting," in AC 150/5370·10, Standards for Specifying Construction ofAirports), but the dimensions
must meet the existing standards, unless coordinated with the appropriate offices. c. When a runway is partially Closed, the distance remaining signs for aircraft landing in the opposite
direction should be covered or removed during the construction. 3·6. LIGHTING GUIDELINES FOR TEMPORARY THRESHOLD. A temporary runway threshold must be lighted if the runway is lighted
and it is the intended threshold for night landings or instrument meteorological conditions. We recommend that temporary threshold lights and related visual NAV AIDs be installed outboard
of the edges ofthe full·strength pavement with bases at grade level or as low as possible, but not to exceed 3 inches (7.6cm) above ground. When any portion of a base is above grade,
place properly compacted fill around the base to minimize the rate of gradient change so aircraft can, in an emergency, cross at normal landing or takeoff speeds without incurring significant
damage (see AC 15015370·10). We recommend that the following be observed when using temporary runway threshold lighting: a. Maintain threshold and edge lighting color and spacing standards
as described in AC 150/5340·24, Runway and Taxiway Edge Lighting System. Battery·powered, solar, or portable lights that meet tbe criteria in AC 150/5345·50, Specification for Portable
Runway Lights, may be used. These systems are intended primarily for visual flight rules (VFR) aircraft operation but may be used for instrument flight rules (lFR) aircraft operations,
upon individual approval from the Flight Standards Division ofthe applicable FAA Regional Office. b. When the runway has been partially closed, disconnect edge and threshold lights with
associated isolation rransfonners on that part of the runway at and behind the threshold (i.e., the portion of the runway that is closed). Alternately, cover the light fixture in such
a way as to prevent light leakage. Avoid removing the lamp from energized fixtures because an excessive number of isolation transformers with open secondaries may damage the regulators
andlor increase the current above its normal value. c. Secure, identify, and place any temporary exposed wiring in conduit to prevent electrocution and fire ignition sources. d. Reconfigure
yellow lenses (caution zone), as necessary. If the runway has centerline lights, reconfigure the red lenses, as necessary, or place the centerline lights out of service. e. Relocate
the visual glide slope indicator (VGSl), such as VASI and PAPI; other airport lights, such as REIL; and approach lights to identify the temporary threshold. Another option is to disable
the VGSI or any equipment that would give misleading indications to pilots as to the new threshold location. Installation of temporary visual aids may be necessary to provide adequate
guidance to pilots on approach to the affected runway. Ifthe FAA owns and operates the VGSI, 9 
AC 150/5370-2E 1/17/03 coordinate its installation or disabling with the local f. Issue a NOTAM to inform pilots oftemporary Airway Facilities Systems Management Office. lighting conditions.
Section 3. Other Construction Marking and Lighting Activities 3·7. OVERVIEW. Ensure that construction areas, including closed runways, are clearly and visibly separated from movement
areas and that hazards, facilities, cables, and power lines are identified prominently for construction contractors. Throughout the duration ofthe construction project, verify that these
areas remain clearly marked and visible at all times and that marking and lighting aids remain in place and operationaL Routine inspections must be made oftemporary construction lighting,
especially batterypowered lighting since weather conditions can limit battery life. 3·8. CLOSED RUNWAY AND TAXIWAY MARKING AND LIGHTING. Closed runway markings consist ofa yellow "X"
in compliance with the standards ofAC 150/5340-1, Standardsfor Airport Markings. A very effective and preferable visual aid to depict temporary closure is the lighted "X" signal placed
on or near the runway designation numbers. This device is much more discernible to approaching aircraft than the other materials described. Ifthe lighted "X" is not available, construct
the marking ofany ofthe following materials: double-layered painted snow fence, colored plastic, painted sheets ofplywood, or similar materials. They must be properly configured and
secured to prevent movement by prop wash, jet blast, or other wind currents. In addition, the airport operator may install barricades, traffic cones, activate stop bars, or other acceptable
visual devices al major entrances to the runways to prevent aircraft from entering a closed portion ofrunway. The placement ofeven a single reflective barricade with a "do not enter"
sign on a taxiway centerline can prevent an aircraft from continuing onto a closed runway. lflhe taxiway must remain opeH for aircraft crossings, barricades or markings, as described
above or in paragraph 3.9, should be placed on the runway. a. Permanently closed runways. For runways and taxiways that have been permanently closed, disconnect the lighting circuits.
For runways, obliterate the threshold marking, runway designation marking, and touchdown zone markings, and place "X's" at each end and at I ,Ooo-foot (300-m) intervals. For taxiways,
place an "X" at the entrance ofthe closed taxiway. b. Temporarily closed runway and taxiways. For runways that have been temporarily closed, place an "X" at the each end ofthe runway.
With taxiways, place an "X" at the entrance ofthe closed taxiway. c. Temporarily closed airporl When the airport is closed temporarily, mark the runways as closed and turn offthe airport
beacon. d. Permanently closed airports When the airport is closed permanently, mark the runways as permanently closed, disconnect the airport beacon, and place an HX" in the segmented
circle or at a central location ifno segmented circle exists. 3·9. HAZARD MARKING AND LIGHTING. Provide prominent, comprehensible warning indicators for any area affected by construction
thai is normally accessible to aircraft, personnel, or vehicles. Using appropriate hazard marking and lighting may prevent damage, injury, traffic delays, andlor facility closures. Hazard
marking and lighting must restrict access and make specific hazards obvious 10 pilots, vehicle drivers, and other personnel. Barricades, traffic cones (weighted or sturdily attached
to the surface), or flashers are acceptable methods used to identify and define the limits ofconstruction and hazardous areas on airports. Provide temporary hazard marking and lighling
to prevent aircraft from taxiing onto a closed runway for takeoff and to identify open manholes, small areas under repair, stockpiled material, and waste areas. Also consider less obvious
construction-related hazards and include markings to identify FAA, airport, and National Weather Service facilities cables and power lines; instrument landing system (ILS) critical areas;
airport surfaces, such as RSA, OFA, and OFZ; and other sensitive areas to make it easier for contractor personnel to avoid these areas. The construction specifications musl include a
provision requiring the contraclor to have a person on call 24 hours a day for emergency maintenance of airport hazard lighting and barricades. The contractor must file the contact person's
information with the airport. a. Nonmovement areas. Indicate construction locations on nonmovement areas in which nO part ofan aircraft may enter by using barricades that are marked
with diagonal, alternating orange and white stripes. Barricades may be supplemented with alternating 10 
1117/03 AC 150/5370-2E orange and white flags at least 20 by 20 inches (50 by 50 cm) square and made and installed so they are always in an extended position, properly oriented, and
securely mstened to eliminate jet engine ingestion. Such barricades may be many different shapes and made from various materials, including railroad ties, sawhorses,jersey barriers,
or barrels. During reduced visibility or night hours, supplement the barricades with red lights, either flashing or steady-burning, which should meet the lurninance requirements ofthe
State Highway Department (yellow lights are not acceptable after October 1,2004). The intensity ofthe lights and spacing for barricade flags and lights must adequately and without ambiguity
delineate the hazardous area. b. Movement areas. Use orange traffic cones; red lights, either flashing or steady-burning, which should meet the luminance requirements of the State Highway
Department (yellow lights are not acceptable after October 1, 2004); collapsible barricades marked with diagonal, altemating orange and white stripes; and/or signs to separate all construction/mainte
nance areas from the movement area. All barricades, temporary markers, and other objects placed and left in safety areas associated with any open runway, taxiway, or taxi lane must be
as low as possible to the ground; of low mass; easily collapsible upon contact with an aircraft or any of its components; and weighted or sturdily attached to the surface to prevent
displacement from prop wash, jet blast, wing vortex, or other surface wind currents. If affixed to the surface, they must be frangible at grade level or as low as possible, but not to
exceed 3 inches (7.6cm) above the ground. Do not use nonfrangible hazard markings, such as concrete barriers and/or metal-drum-type barricades, in aircraft movement areas. Do not use
railroad ties on runways. Use highly reflective barriers with flashing or steady· burning red lights to barricade taxiways leading to closed runways. Evaluate all operating factors when
determining how to mark temporary closures that can last from 10 to 15 minutes to a much longer period of time. However, we strongly recommend 􀁴􀁨􀁡􀁾􀀠even for closures of relatively
short duration, major taxiway/runway intersections be identified with barricades spaced no greater than 20 feet (6m) apart. Mark the barricades with a flashing or steady-burning red
light At a minimum, use a single barricade placed on the taxiway centerline. 3-10. CONSTRUCTION NEAR NAVIGATIONAL AIDS (NA VAlDS). Construction activities, materials/equipment storage,
and vehicle parking near electronic NAV AIDs require special consideration since they may interfere with signals essential to air navigation. Evaluate the effect of construction activity
and the required distance and direction from the NAV AID for each construction project. Pay particular attention to stockpiling material, as well as to movement and parking ofequipment
that may interfere with line ofsight from the ATCT or with electronic emissions. Interference from construction may require NAVAID shutdown or adjustment of instrument approach minimums
fur IFR. This condition requires that a NOTAM be filed. Construction activities and materials/equipment storage near aNAVAID may also obstruct access to the equipment and instruments
for maintenance. Before commencing construction activity, parking vehicles, or storing construction equipment and materials near a NAVAID, consult with the nearest FAA Airway Facilities
Office. 3-11. CONSTRUCTION SITE ACCESS AND HAUL ROADS. Determine the construction contractor's access to the construction sites and haul roads. Do not permit the construction contractor
to use any access or haul roads other than those approved. Construction contractors must submit specific proposed routes associated with construction activities to the airport operator
for evaluation and approval as part ofthe safety plan before beginning construction activities. These proposed routes must also provide specifications to prevent inadvertent entry to
movement areas. Pay special attention to ensure that ARFF right of wayan access and haul roads is not impeded at any time and that construction traffic on haul roads does not interfere
with NAV AIDs or approach surfuces of operational runways. 3-12. CONSTRUCTION MATERIAL STOCKPILING. Stockpiled materials and equipment storage are not permitted within the RSA and OFZ
ofan operational runway. The airport operator must ensure that stockpiled materials and equipment adjacent to these areas are prominently marked and lighted during hours ofrestricted
visibility or darkness. This includes determining and verifYing that materials are stored at an approved location to prevent foreign object damage and attraction of wildlife. 3-13. OTHERLlMITATIONSON
CONSTRUCTION. Contractors may not use open· flame welding or torches unless adequate fire safety precautions are provided and the airport operator has approved their use. Under no circumstances
should flare pots be used within the AOA at any time. The use of electrical blasting caps must not be pennitted on or within 1,000 feet (300m) of the airport property (see AC 150/5370-10,
Standards for SpecifYing Construction ofAirports). 11 
AC 15015370-2E 1117103 3-14. FOREIGN OBJECT DEBRIS (FOD) MANAGEMENT. Waste and loose materials, commonly referred to as FOD, are capable ofcausing damage to aircraft landing gears, propellers,
and jet engines. Construction contractors must not leave or place FOD on or near active aircraft movement areas. Materials tracked onto these areas must be continuously removed during
the construction project. We also recommend that airport operators and construction contractors carefully control and continuously remove waste or loose materials that might attract
wildlife. Section 4. Safety Hazards and Impacts 3-1S. OVERVIEW. The situations identifiedbelow are potentially hazardous conditions that may occur during airport constroction projects. Safety area encroachments, unauthorized and improper ground vehicle operations, and unmarked
or uncovered holes and trenches near aircraft operating surfaces pose the most prevalent threats to airport operational safety during airport construction projects. Airport operators
and contractors should consider the following when performing inspections of construction activity: a. Excavation adjacent tu runways, taxiways, and aprons. b. Mounds 0 f earth, construction
materials, temporary structures, and other obstacles near any open runway, taxiway, or taxilane; in the related object-free area and aircraft approach or departure areaslzones; or obstructing
any sign or marking. c. Runway resurfacing projects resulting in lips exceeding 3 inches (7.6cm) from pavement edges and ends. d. Heavy equipment (stationary or mobile) operating or
idle near AOAs, in runway approaches and departures areas, or in OFZs. e. Equipment or material near NAV AIDs that may degrade or impair radiated signals andlor the monitoring ofnavigational
and visual aids. Unauthorized or improper vehicle operations in localizer or glide slope critical areas, resulting in electronic interference andlor facility shutdown. f. Tall and especially
relatively low-visibility units (i.e., equipment with slim proftles}--<:ranes, drills, and similar objects-located in critical areas, such as OFZs and approach zones. g. Improperly positioned
or malfunctioning lights or unlighted airport hazards, such as holes or excavations, on any apron, open taxiway, or open taxilane or in a related safety, approach, or departure area.
h. Obstacles, loose pavement, trash, and other debris on Or near AOAs. Construction debris (gravel, sand, mud, paving materials, etc.) on airport pavements may result in aircraft propeller,
turbine engine, or tire damage. Also, loose materials may blow about, potentially causing personal injury or equipment damage. i. Inappropriate or peorly maimained fencing during construction
intended to deter human and animal intrusions into the AOA. Fencing and other markings that are inadequate to separate construction areas from open AOAs create aviation hazards. j. Improper
or inadequate marking or lighting of runways (especially thresholds that have been displaced or runways that have been closed) and taxiways that could cause pilot confusion and provide
a potential for a runway incursion. Inadequate or improper methods ofmarking, barricading, and lighting of temporarily closed portions of AOAs create aviation hazards. k. Wildlife attractants-such
as trash (food scraps not collected from construction personnel activity), grass seeds, or ponded water--on or near airports. I. Obliterated or faded markings on active operational areas.
m. Misleading or malfunctioning obstruction lights. Unlighted or unmarked obstructions in the approach to any open runway pose aviation hazards. D. Failure to issue, update, or cancel
NOTAMs about airport or runway closures or other construction-related airport conditions. o. Failure to mark and identify utilities or power cables. Damage to utilities and power cables
during construction activity can result in the loss of runway/taxiway lighting; loss ofnavigational, visual, or approach aids; disruption of weather reporting services; andlor loss ofcommunications.
p. Restrictions on ARFF access from fire stations to the runway-taxiway system or airport buildings. q. Lack ofradio communications with construction vehicles in airport movement areas.
r. Objects, regardless of whether they are marked or flagged, or activities anywhere on or near an airport 12 
1/17/03 that could be distracting, confusing, or alarming to pilots during aircraft operations. s. Water, snow, dirt, debris, or other contaminants that temporarily obscure or derogate
the visib ility of runway/taxiway marking, lighting, and pavement edges. Any condition or factor that obscures or diminishes the visibility ofareas under construction. t. Spillage from
vehicles (gasoline, diesel fuel, oil, etc.) on active pavement areas, such as runways, taxiways, ramps, and airport roadways. u. Failure to maintain drainage system integrity during
construction (e.g., no temporary drainage provided when working on a drainage system). AC 150/5370·2E v. Failure to provide for proper electrical lockout and lagging procedures. At larger
airports with multiple maintenance shifts/workers, construction contractors should make provisions for coordinating work on circuits. w. Failure to control dust. Consider limiting the
amount ofarea from which the contractor is allowed to strip turf. x. Exposed wiring that creates an electrocution or fire ignition hazard. IdentifY and secure wiring, and place it in
conduit or bury it. y. Site burning, which can cause possible obscuration. z. Construction work taking place outside of designated work areas and out ofphase. 13 
1/17/03 AC 150/5370-2E APPENDIX 1. RELATED READING MATERIAL 1. Obtain the latest version ofthe following free publications from the FAA on its Web site at http://www.faa.gov/arp/. In
addition, these ACs are available by contaeting the U.S. Department of Transportation, Subsequent Distribution Office, SVC121.23, Ardmore East Business Center, 3341 Q 75th Avenue, Landover,
MD20785. a. AC 150/5200-28, Notices to Airmen (NOTAM) for Airport Operators. Provides guidance for the use of the NOT AM System in airport reporting. b. AC 150/5200-30, Airport Winter
Safety and Operations. Provides guidance to airport owners/operators on the development of an acceptable airport snow and ice control program and on appropriate field condition reporting
procedures. c. AC 150/5200-33, Hazardous Wildlifo Attractants On or Near Airports. Provides guidance on locating certain land uses having the potential to attract hazardous wildlife
to public-use airports. d. AC 15015210-5, Painting, Marking. and Lighting ofVehicles Used on an Airport. Provides guidance, specifications, and standards for painting, marking, and lighting
vehicles operating in the airport air operations areas, e. AC 150/5220-4, Water Supply Systemsfor Aircraft Fire and Rescue Protection. Provides guidance for the selection ofa water source
and standards for the desigu ofa distribution system to support aircraft rescue and ftre fighting service operations on airports. f. AC 150/5340-1, Standards for Airport Markings. Contains
FAA standards fur markings used on airport runways, taxiways, and aprons. g. AC 150/534O-14B, Economy Approach Lighting Aids. Describes standards for the design, selection, siting, and
maintenance ofeconomy approach lightiog aids. h. A C 150/5340-18, Standards for A irport Sign Systems. Contains FAA standards for the siting and installation ofsigns on airport runways
and taxiways. i. AC 150/5345-28, Precision Approach Path Indicator (PAP 1) Systems. Contains the FAA standards for P API systems, which provide pilots with visual glide slope guidance
during approach for landing. j. AC 150/5380-5, Debris Hazard. at Civil Airports. Discusses problems at airports, gives information on foreign objects, and explains how to eliminate such
objects from operational areas. k. AC 7017460-2, Proposed Construction or Alteration ofObjects that May Affect the Navigable Airspace. Provides information to persons proposing to erect
or alter an object that may affect navigable airspace and explains the need to notifY the FAA before construction begins and the FAA's response to those notices. as required by 14 CFR
part 77. 2. Obtain copies ofthe following publications from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. Send a check or money order made payable
to the Superintendent ofDocuments in the amount stated with your request The Government Printing Office does not accept C.O.D. orders. In addition, the FAA makes these ACs available
at no charge on the Web site at http://www.faa.gov/arp/. a. AC 15015300-13, Airport Design. Contains FAA standards and recommendations for airport design, establishes approach visibility
minimums as an airport design parameter, and contains the object-free area and the obstacle free-zone criteria. ($26. Sup!. Docs.) SN050-007-0120S-0. b. AC 150/5370-10, Standards for
Specifying Construction ofAirports. Provides standards for construction of airports. Items covered include earthwork, drainage, paving, turfing, lighting, and incidental construction.
($18. Supt Docs.) SN050-007OS21-0. A-1 
APPENDIX 2. DEFINITIONS OF TERMS USED IN THE AC 1. AIR OPERATIONS AREA (AOA). Any area of the airport used or intended to be used for the landing. takeoff, or surface maneuvering of
aircraft. An air operations area includes such paved or lU1paved areas that are used or intended to be used for the unobstructed movement of aircraft in addition to its associated runways,
taxiways, or aprons. 2. CONSTRUCfION. The presence and movement of construction-related personnel, equipment, and materials in any location that could infringe upon the movement of aircraft.
3. CERTIFICATED AIRPORT. An airport that has been issued an Airport Operating Certificate by the FAA under the authority of 14 CFR part 139, Certification and Operation: Land Airports
Serving Certain Air Carriers, or its subsequent revisions. 4. FAA FORM 7460-1, NOTICE OF PROPOSED CONSTRUCfION OR ALTERATION. The fonn submitted to the FAA Regional Air Traffic or Airports
Division Office as fonnal written notification of any kind of construction or alteration ofobjects that affect navigable airspace, as defined in 14 CFR part 77, Objects Affecting Navigable
Airspace (see AC 7017460-2, Proposed Construction or Alteration a/Objects that May Affect the Navigable Airspace, found at http://www.faa.gov/arpf). 5. FAA FORM 7480-1, NOTICE OF LANDING
AREA PROPOSAL. Fonn submitted to the FAA Airports Regiona) Division Office or Airports District Office as formal written notification whenever a project without an airport layout plan
on file with the FAA involves the construction ofa new airport; the construction, realigning, altering, activating, or abandoning ofa runway, landing strip, or associated taxiway; or
the deactivation or abandoning ofan entire airport (found at http://www.faa.gov/arpf). 6. MOVEMENT AREA. The runways, taxiways, and other areas ofan airport that are used for taxiing
or hover taxiing, air taxiing, takeoff, and landing of aircraft, exclusive of loading ramps and aircraft parking areas (rererence 14 CFR part 139). 7. OBSTRUCTION. Any object/obstacle
exceeding the obstruction standards specified by 14 CPR part 77, subpart C. 8. OBJECT-FREE AREA (OFA). An area on the ground centered on the runway, taxiway, or taxilane centerline provided
to enhance safety ofaircraft operations by having the area free ofobjects except for those objects that need to be located in the OFA for air navigation or aircraft ground maneuvering
purposes (see AC 150/5300-13, Airport Design, for additional guidance on OF A standards and wingtip clearance criteria). 9. OBSTACLE-FREE ZONE (OFZ). The airspace below 150 feet (45m)
above the established airport elevation and along the runway and extended runway centerline that is required to be clear ofall objects, except for frangible visual NA VAIDs that need
to be located in the OFZ because of their function, in order to provide clearance protection for aircraft landing or taking offfrom the runway and for missed approaches (refer to AC
150/5300-13 for guidance on OPZs). 10. RUNWAY SAFETY AREA (RSA). A defined surface surrounding the runway prepared or suitable for reducing the risk of damage to airplanes in the event
ofan undershoot, overshoot, or excursion from the runway, in accordance with AC 150/5300-13. 11. TAXIWAY SAFETY AREA. A defined surface alongside the taxiway prepared or suitable for
reducing the risk ofdamage to an airplane unintentionally departing the taxiway, in accordance with AC 150/530013. 12. TlIRESHOLD. The beginning of that portion ofthe runway available
for landing. In some instances, the landing threshold may be displaced. 13. DISPLACED THRESHOLD. The portion of pavement behind a displaced threshold that may be available for takeoffs
in either direction or landing from the opposite direction. 14. VISUAL GLIDE SLOPE INDICATOR (VGSI). This device provides a visual glide slope indicator to landing pilots. These systems
include precision approach path indicators (PAPls), visual approach slope indicators (V AS!s), and pulse light approach slope indicators (PLASIs). A-2 
1117103 AC 15015370-2E APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE Aviation Safety Requirements During Construction PURPOSE. This appendix provides airport operators with
boilerplate format and languagefor developing a safety plan for an airport construction project. Adapt this appendix. as opplicable. to specific conditions found on the airport for which
the plan is being developed. Consider including a copy ofthis sqfety plan in the construction drawings for easy access by contractor personnel. Plans should contain the following: 1.
GENERAL SAFETY REQUIREMENTS. Throughout the construction project, the following safety and operational practices should be observed: • Operational safety should be a standing agenda
item during progress meetings throughout the construction project. • The contractor and airport operator must perform onsite inspections throughout the project, with immediate remedy
ofany deficiencies, whether caused by negligence, oversight, or project scope change. • Airport runways and taxiways should remain in use by aircraft to the maximum extent possible.
• Aircraft use ofareas near the contractor's work should be controlled to minimize disturbance to the contractor's operation. • Contractor. subcontractor, and supplier employees or any
unauthorized persons must be restricted from entering an airport area that would be hazardous. • Construction that is within the sarety area ofan active runway, taxiway, or apron that
is perfonned under normal operational conditions must be performed when the runway, taxiway, or apron is closed or use-restricted and initiated only with prior permission from the airport
operator. • The contracting offieer, airport operator, Or other designated airport representative may order the contractor to suspend operations; move personnel, equipment, and materials
to a safe location; and stand by until aircraft use is completed. 2. CONSTRUCTION MAINTENANCE AND FACILITIES MAINTENANCE. Before beginning any construction activity, the contractor must,
through the airport operator, give notice [using the Notice to Airmen (NOTAM) System] ofproposed location, time, and date ofcommencement of construction. Upon completion of work and
return ofall such areas to standard conditions, the contractor must, through the airport operator, verify the cancellation of all notices issued via the NOTAM System, Throughout the
duration ofthe construction project, the contractor must-a. Be aware ofand understand the safety problems and hazards described in AC 150/5370-2, Operational Saftty on Airports During
Construction. b. Conduct activities so as not to violate any safety standards contained in AC 150/5370-2 or any ofthe references therein. c. Inspect all construction and storage areas
as often as necessary to be aware ofconditions. d. Promptly take all actions necessary to prevent or remedy any unsafe or potentially unsafe conditions as soon as they are discovered.
3. APPROACH CLEARANCE TO RUNWAYS. Runway thresholds must provide an unobstructed approach surface over equipment and materials. (Refer to Appendix 2 in AC 15015300-13, Airport Design,
for guidance in this area.) 4. RUNWAY AND TAXIWAY SAFETY AREA (RSA AND TSA). Limit construction to outside ofthe approved RSA, as shown on the approved airport layout plan-unless the
runway is closed or restricted to aircraft operations, requiring a lesser standard RSA that is equal to the RSA available during construction (see AC 150/5370-2 for exceptions). Construction
activity within the TSA is permissible when the taxiway is open to aircraft traffic if adequate wingtip clearance exists between the aircraft and equipment/material; evacuations, trenches,
or other eonditions are conspicuously marked and lighted; and local NOTAMs are in effect for the activity (see AC 150/5300-13 for wingtip clearance requirements). The NOTAM should state
that, "personnel and equipment are working adjacent to Taxiway __," a. Procedures for protacting runway edges. • Limit construction to no closer than 200 feet (60m) from the runway centerline-unless
the runway is is closed or restricted to aircraft operations, requiring a lesser standard RSA A-3 
AC 15015370-2E 1117/03 that is equal to the RSA available during • Coordinate construction activity with the construction, Airport Traffic Control Tower (ATCT) and • Prevent personnel,
material, and/or equipment, as defined in AC 150/5300-13, Paragraph 306, "Obstacle Free Zone (OFZ)," from penetrating the OFZ. FAA Regional Airports Division Office or Airports District
Office, and through the airport operator, issue an appropriate NOTAM. Complete the/ol/owing chort to determine the area thot must be protected along the runway edges: 'See AC Airport
b. Procedures for protecting runway ends. • Maintain the RSA from the runway threshold to a point at least the distance from the runway threshold as existed before construction activity-unless
the runway is closed or restricted to aircraft operations, requiring an RSA that is equal to the RSA length available during construction in accordance with AC 150/5300-13. This may
involve the use of declared distances and partial runway closures (see AC 150/5370-2 for exceptions). • Ensure a[1 personnel, materials, and/or equipment are clear ofthe applicable threshold
siting criteria surfttce, as defined in Appendix 2, "Threshold Siting Requirements," ofAC 150/5300-13. the chart for a runway. • Prevent personnel, material, and/or equipment, as defmed
in AC 150/5300-13, from penetrating the obstacle-free zone. • Ensure adequate distance for blast protection is provided, as needed. • Coordinate construction activity with the A TCT
and FAA Regional Airports Division Office or Airports District Office, and through the airport operator, issue an appropriate NOTAM. • Provide a drawing showing the profile ofthe appropriate
surfaces ofeach runway end where construction will lake place. Where operations by turbojet aircraft are anticipated, review takeoffprocedures and iet blast characteristics of aircraft
and incorporate safety measures for construction workers in the contract documents. A-4 
1117/03 AC 150/5370-2E Complete the following chart to determine the area that must be protected before the runway threshold: __,:FEET : I to to for a runway. S. MARKING AND LIGHTING
FOR TEMPORARY THRESHOLDS. Marking and lighting for a temporary threshold is__/is not__ required. The airport owner or contractor, as specified in the contract, will furnish and maintain
markings for temporary thresholds. Precision approach path indicators (PAPls) or runway end identification lights (REIL) are__/are not __ required. The airport owner or contractor, as
specified in the contract, will furnish and install all temporary lighting. Include appropriate items per AC 150/5370-2, Chapter 3, "Safety Standards and Guidelines." Ifmarking and lighting
for the temporary threshold is not required. delete this section ofthe safety plan. Ifvisual aids and/or markings are necessary, provide de/ails. (Include applicable 14 CFR part 77 sulfaces
in the contract documents.) 6. CLOSED RUNWAY MARKINGS AND LIGHTING. The following must be be specified for closed runv."ys. Closed runway marking are __/are not __ required. Closed runway
markings will be as shown on the plans__/as furnished by the airport owner__/other__(specify). Barricades, flagging, and flashers are __/are not __required at Taxiway __ and Runway __and
will be supplied by the airport __/other__(specify). 7. HAZARDOUS AREA MARKING AND LlGHTING_ Hazardous areas on the movement area will be marked with barricades, traffic cones, flags,
Or flashers (specify). These markings restrict access and make hazards obvious to aircraft, personnel, and vehicles. During periods oflow visibility and at night, identify hazardous
areas with red flashing or steady-burning lights (specif'y). The hazardous area marking and lighting will be supplied by the airport operator/contractor, as specified in the contract,
and will be depicted on the plans. 8. TEMPORARY LIGHTING AND MARKING. Airport markings, lighting, andlor signs will be altered in the following manner (specify) during the period from
to . The alterations are depicted on the plans. . 9. VEHICLE OPERATION MARKING AND CONTROL. Include the following provisions in the construction contract, and address them in the safety
plans: a. When any vehicle, other than one that has prior approval from the airport operator, must travel over any portion of an aircraft movement area, it will be escorted and properly
identified. To operate in those areas during daylight hours, the vehicle must have a flag Or beacon attached to it. Any vehicle operating on the movement areas during hours of darkness
or reduced visibility must be equipped with a flashing dome-type light, the color of which is in accordance with local or state codes. b. It may be desirable to clearly identify the
vehicles for control purposes by either assigned initials or numbers that are prominently displayed On each side of the vehicle. The identification symbols should be at minimum 8-inch
(20-cm) block-type characters of a contrasting color and easy to read. They may be applied either by using tape or a water-soluble paint to facilitate removal. Magnetic signs are also
acceptable. In addition, vehicles must display identification media, as specified in the approved security plan. (This section should be revised to conform 10 the airport operator's
requirements) 
1117103 AC 15015370·2E c. Employee parking shall be :---:--;-_;-:-_--:-:---:---:--___(specif'y location), as designated by the airport manager __1 project engineer lother___ (specif'y).
d. Access to the job site shall be via,_-:-:----:-__. (specif'y route), as shown on the plans Idesignated by the engineer ___ldesignated by the superintendent Idesignated by the airport
manager___lother___(specif'y). e. At 14 CFR part 139 certificated and towered airports, all vehicle operators having access to the movement area must be familiar with airport procedures
for the operation ofground vehicles and the consequences of noncompliance. f. Ifthe airport is certificated andlor has a security plan, the airport operator should check for guidance
on the additional identification and control of construction equipment. 10. NAVIGATIONAL AIDS. The contractor must not conduct any construction activity within navigational aid restricted
areas without prior approval from the local FAA Airway Facilities sector representative. Navigational aids include instrument landing system components and very high-frequency omnidirectional
range, airport surveillance radar. Such restricted areas are depicted on construction plans. 11. LIMITATIONS ON CONSTRUCTION. Additional limitations on construction include-a. Prohibiting
open-flame welding or torch cutting operations unless adequate fire safety precautions are provided and these operations have been authorized by the airport operator (as tailored to
conform to local requirements and restrictions). b. Prominently marking open trenches, excavations, and stockpiled materials at the construction and lighting these obstacles during hours
of restricted visibility and darkness. c. Marking and lighting closed, deceptive, and hazardous areas on airports, as appropriate. d. Constraining stOCkpiled material to prevent its
movement as a result of the maximum anticipated aircraft blast and forecast wind conditions. 12. RADIO COMMUNICATIONS. Vehicular traffic located in or crossing an active movement area
must have a working two-way radio in contact with the control tower or be escorted by a person in radio contact with the tower. The driver, through personal observation, should confJIID
that no aircraft is approaching the vehicle position. Construction personnel may operate in a movement area without two-way radio communication provided a NOTAM is issued closing the
area and the area is properly marked to prevent incursions. Two-way radio communications are __Iare not__required between contractors and the Airport Traffic Control Tower ___fFAA Flight
Service Station__IAirport Aeronautical Advisory Stations (UNICOMICTAF)__. Radio contact is lis not__required between the hours of__and __. Continuous monitoring is required __lor is
required only when equipment movement is necessary in certain areas__. (This section may be tailored to suit the specific vehicle and safely reqUirements ofthe airport sponsor.) 13.
DEBRIS. Waste and loose material must not be placed in active movement areas. Materials tracked onto these areas must be removed continuously during the work project. A-6 
1/17/03 AC 150/5370·2E APPENDIX 4. SAMPLE NOTAM _____AIRPORT FAA NOTAM# ________________________ DATE: ..... ____________ AIRPORT I.D. # ___________________ TIME: ______________ NOTAMTEXT:
NOTIFICATON: # # # # TOWER _________ PHONE # INITIALS TIME CALLED IN BY ####FSS PHONE # INITIALS TIME CALLED IN BY AIRLINES CANCELLED: NOTIFICATON: # # # # TOWER _________ PHONE # INITIALS
TIME CALLED IN BY ####FSS PHONE # INITIALS TIME CALLED IN BY AIRLINES A·7 
Advisoryu.s. Department of Transportation Federal Aviation CircularAdministration Subject: OPERATIONAL SAFETY ON AIRPORTS _D_URIN__G_C_O_N_S_TR_U_C_TI_O_N________ 1. THE PURPOSE OF TIllS
ADVISORY CIRCULAR (AC). Aviation safety is the primary consideration at airports, especially during construction. This AC sets forth guidelines for operational safety on airports during
construction. It contains major changes to the following areas: "Runway Safety Area," paragraph 3-2; "Taxiway Safety Areas/Object-Free Areas," paragraph 3-3; "Overview," paragraph 3-4;
"Marking Guidelines for Temporary Threshold," paragraph 3-5; and "Hazard Marking and Lighting," paragraph 3-9. 2. WHATTIllSACCANCEL8. This AC cancels AC 150/5370-ID, Operational Safety
on Airports During Construction, dated May 31, 2002. 3. READING MATERIAL RELATED TO TIllS AC. Appendix I contains a list ofreading materials on airport construetion, design, and potential
safety hazards during construction, as well as instructions for oIdering these docmnents. Many ofthem, including this AC, are available on the Federal Aviation Administration (yAA) Web
site. DAVID 1.. BENNETT Director, Office ofAirport Safcty and Standards Date: 1/17/03 AC No: l50/5370-2E Initiated by: AAS-300 Change: 4. WHO TIllSAC AFFECTS. This AC assists aiIport
operators in complying with 14 Code ofFederal Regulations (CFR), part 139, Certification and Operation: Land Airports Serving Certain Air Carriers, and with the requirements of airport
construction projects receiving fimds under the AiIport Improvement Program or from the Passenger Facility Charge Program. While the FAA does not require noncertificated airports without
grant agreements to adhere to these guidelines, we recommend that they do so as it will help these aiIports maintain a desirable level ofoperational safety during construction. s. ADDITIONAL
BACKGROUND INFORMATION. Appendix 2 contains defIuitions oftenTIS used in this AC. Appendix 3 provides airport operators with boilerplate format and language for developing a safety plan
for an airport construction project. Appendix 4 is a sample Notice to Airmen form. 6. HAZARD LIGHTING IMPLEMENTATION TIME LINE. Supplemental hazard lighting must be red in color by October
1, 2004. See paragraph 3-9 for more information. 
1/17103 AC 150/5370-2E CONTENTS Paragraph CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSIBILITIES ................................................. 1 1-1. Overview ...............................
.................................................................................................................................. 1 1-2. Who Is Responsible for Safety During Construction.
.............................................................................................. I CHAPTER 2. SAFETY PLANS ••..••••••••••••••••.••••.•.••.•••••••••••••••.••.••••••.••••••••••••••••.••••
•••••.••.•..•••..•.•..•.•.••••..•.•....•..••.•.•.3 Sec;:tion 1. Basic Safety Plan Considerations ...•.••••.••.•.•••.•••••••••.••••..•••...••...••.•.•..•.•..•....•.•••...•••••••.•.•••..•..•.•••••.••••
•3 2-1. Overview ................................................................................................................................................................. 3 2-2. SafetyPJanCheeklist................................................................................................................
.............................. 3 Sec::tion 2. Safety and Security Measures .............................................................................................................
4 2-3. Overview ................................................................................................................................................................. 4 2-4.
Vemcle OJ>eJ'ation and Marlting and Pedestrian Control. ......................................................................................... 4 2-5. Construction Employee Parking
Areas ..................................................................................................................... 5 2-6. Construction Vehicle Equipment Parking. ............................
................................................................................... 5 2-7. Radio Communication Training ...............................................................................
................................................ 5 2-8. Fencing and Gates. ............................................................................................................................
...................... 5 Section 3. Notification of Construction Activities ................................................................................................ 5 2-9. General
.................................................................................................................................................................... 5 2-10. AssuriDg
Prompt Notifications ................................................................................................................................ 6 2-11. Notices to Airmen (NOTAMs)
................................................................................................................................ 6 2-12. Aircraft Rescue and Fire Fighting (ARFF) Notificallon.
.......................................................................................... 6 2-J3. Notification to I'be FAA. ....................... ..... ............................................
........ ........ ............... .. .................... 6 2-14. Work Scheduling and Accomplishment. .................................................................................................
................. 6 CHAPTER 3. SAFETY ST ANDAROS AND GUIDELINES ...................................................................................... 7 Sec::tion 1. Runway and Taxiway
Safety Areas, Obstacle-Free Zones, and Object-f'ree Areas ••••••••.••••.•••...•. 7 3-1. Overview ......................................................................................................
........................................................... 7 3-2. Runway Safety Area (RSA)/Obstacle-Free Zone (OFZ) ..................................................................................
........ 7 3-3. Taxiway Safety AreaslObject-Free Areas ................................................................................................................ 7 Sec::tion 2.
Temporary Runway Thresholds .......................................................................................................... 8 3-4. Overview ................................................
................................................................................................................. 8 3-5. Marlcing Guidelines for T empomry Threshold ..................................
...................................................................... 8 3-6. Lighting Guidelines for Tempomry Threshold. .............................................................................
........................... 9 Sec::tion 3. other Construction Marking and Lighting Activities ...................................................................... 10 3-7. Overview
............................................................................................................................................................... 10 3-8. Closed Runway
and Taxiway Marlting and Lighting ............................................................................................. 1 0 3-9. Hazan! Marlcing and Lighting .................................
.............................................................................................. 10 3-10. Construction Near Navigotional Aids (NAVAlDs). ................................................
............................................... 11 3-11. Construction Site Access and Haul Roads ......................................................................................................
........ II 3-12. ConstructionMaterial Stockpiling .......................................................................................................................... 11 3-13.
Other Limitations on Construction. ........................................................................................................................ II 3-14. Foreign Object Debris
(FOD) Managernent. .......................................................................................................... 12 Sec::tion 4. Safety Hazards and Impacts ..............................
................................................................................ 12 3-15. Overview ....................................................................................................
........................................................... 12 iii 
1/17/03 Appendices APPENDIX 1. RELATED READING MATERIAL ................................................................................................... A-1 APPENDIX 2. DEFINITIONS
OF TERMS USED IN THE AC ..................................................................................A-2 APPENDIX 3. AIRPORT CONSTRUCTION SAFETY PLANNING GUIDE...................................
........................... A-3 APPENDIX 4. SAMPLENOTAM ............................................................................................................................ A-7
iv 
1117/03 AC 1501537Q-2E CHAPTER 1. GENERAL SAFETY REQUIREMENTS AND RESPONSIBILITIES 1-1. OVERVIEW. Hazardous praetices and mmginal ccnditions creared by construction activities can decrease
or jeopardize opemtional..rety onairporllt To minimize disruption of normal aircrnft opemtions and 10 avoid situations thai compromise the airport's operatiooal safety, the airport opemlor
must carefully plan, schedule, and coordinate construction activities. While the guidance in Ibis AC is primarily used for construction operations, some of the methods and procedures
described may also enbance daylo-day maintenance opemtions. 1-2. WHO IS RESPONSmLE FOR SAFETY DURING CONSTRUCTION. An airport operator has overall responsibility for construction activities
on an airport This includes the predesign, design, preconstnretion, construction, and inspection pbeaes. Additional information on these responsibilities can be fuund throughout Ibis
AC. a. Airport operator's responsibilities(1) Devek>p internally or approve a construction safety plan developed by an outside consul_contractor that complies with the safety guidelines
in Chapter 2, uSafety Plans," and Appendix 3, "Allport Construction Safety Planning Guide," of this AC. (2) Require contractors to submil plans indicating how they intend to oomply with
the safety requirements of the project (3) Convene a mooting with the oonstruction conterctor, consultant, airport employees, and, if appropriate, tenant sponsor to review and discuss
project safety before beginning construction activity. (4) Ensure contact information is accurate for each representative/point of contact identified in the safety plan. (5) Hold weekly
or, ifnecessmy, daily safety mectings to coordinate activities. (6) NotifY users, especially aircraft rescue and fire fighting (ARFF) personnel, ofconstruction activity and conditions
that may adversely affect the opemtional safety ofthe airport via Notices to Airmen (NOTAMs) or other methods, as appropriate. Convene a meeting for review and discussion ifnecessary.
(7) Ensure that construction personnel know of any applicable airport procedures and of changes to those procedures that may affect their work. (8) Ensure that construction conterctors
and subcontractors undergo training required by the safety plan. (9) Develop andIor coordinate a construction vehicle plan with airport tenants, the airport tmffic control tower (ATCT),
and construction contractors. Include the vehicle plan in the ..rety plan. See Chapter 2, section 2, ofthis AC for additiooal information. (10) Ensure tenants and contractors comply
with standards and procedures for vehicle lighting. marking, access, opemtion, and communication. (11) At certificated airports, ensure that each tenant's construction safety plan is
consistent with 14 CFR part 139, Certification and Operations: Land Airports Serving Certain Air Carriers. (12) Conduct frequent inspections to ensure construction contractors and tenants
comply with the safety plan and that all£red eonstruction activities do not create potential safety hazards. (13) Resolve safety deficiencies immediately. (14) Ensure cons1:nnotion access
complies with the security requirements of 49 CFR part 1542, AirportSecurity. . (15) NotifY appropriate parties when conditions exist that invoke provisions of the safety plan (e.g.,
implemcutation of low-visibility opemtions). b. Construdion contractor1s responsibilities(1) Snbmit plans to the airport opemlor on how to comply with the safety requirements of the
project. (2) Have available a copy of the project safety plan. (3) Comply with the safety plan associated with the construction project and enstae that construction pemennel are fumiliar
with safety procedures and reguiations on the airport (4) Provide a point of contact who will coordinate an immediate response to cormct any construction-related activity !bat may adversely
affect the operational safety of the airport (5) Provide a safety officer/construction inspector familiar with airport safety to monitor construction activities. (6) Restrict movement
of cons1:nnotion vehicles to cons1:nnotion areas by flagging and barricading, erecting temporary fencing, or providing escorts, as appropriate. 1 
1117103 (7) Ensure that no construction employees, employees of subcontractors or suppliers, or other persons enter any part ofthe air operations area. (AOA3) from the construction site
unless authorized. Co Tenant's ....pon.ibilities ifplonning con.truction activities on l....ed property(1) Develop a safely plan. and submit it to the airport operator for approval prior
to issuance ofa Notice to Proceed. (2) Provide a point ofcontact who will coordinale an immediale response to correct any construction-relaled activity that may adversely affect the
operational safety ofthe airport. (3) Ensure that no tenant orconstruction employees, employees ofsuboontractors or suppliers, or any other persons enter any part of the AOA from the
CQfiS1ruction site unless authorized. (4) Restrict movementofeonstraction vehicles to construction .....by flagging and barricading or erecting temponuy fencing. 2 
1I171ll3 AC 15015370-2E CHAPTER 2. SAFETY PLANS Section 1. Basic Safety Plan Considerations 2-1. OVERVIEW. Airport operators should coordinate safety issues with the air carriers, FAA
Airway Facilities, and other airport tenants before the design phase ofthe project The aiIport operator should identitY project safety concerns, requiremenm, and impacts before making
ammgements with C<>I1lractors and otherpersonnel to perform wOlk on an airport These safety concerns will serve llll the foundation fur the construction safety plan and help maintain
a high level ofaviation safety during the pr'liect The airport operator should determine the level of complexity ofthe safety plan that is necessary for each constructionproject and
its phases. The safety plan may be detailed in the specifications inclnded in the invitation for bids, or the invitation for bid may specifY that the contractor develop the safety planand
the airport operator approve it In the latter Clllle, the invitation fur bid should contain sufficient information to ollow the contractor to develop and determine the costs associated
with the safety pian. In either case, safety plan costs should be incorporated into the total costofthe project The airport operatorbas final approval authority and responsibility for
all safety plans. Coordination will vary from formal predesign conferences to informal contacts thronghcut the duration ofthe construction project. Details ofa specified safety plan,
or requirements for a contractor-developed safety plan, should be discussed at the predesign and preconstruction conferences and should include the following, as appropriate: a. Actions
necessary before starting construction, including defining and assigning responsibilities. b. Basic responsibilities and procedures for di=inatiog instructions about airport procedures
to the 􀁣􀁯􀁮􀀱􀁲􀁡􀁣􀁴􀁯􀁲􀁾􀁳􀀠personnel. Co Means ofseparating construction areas from aeronautical..use areas. d. Navigational aid (NAVAID) requirements and weather. e. Mmking and
lighting plan illustrations. t: Methods ofcoordinating significant clumges in airport operations with all the appropriate portios. 2-2. SAFETY PLAN CHECKLIST. To the extent applicable,
the safety plan should address the following: a. Scope ofwod: to be performed, inclnding proposed duration ofwork. b. Runway and taxiway marking and lighting. Co Procedures for protecting
all runway and taxiway safety areas, obstac1e-free zones (OFZs), object-free areas (OFAs), and threshold citing criteria outlined in AC 15015300-13, AilplR'/Design, and as described
inthis AC. This inelndes limitations on equipment height and stockpiled material. d. Areas and operations affected by the construction activity, including possible safely problems. e.
NAVAIDs that could be affected, espacially critical area bouodsries. f. Mellrods ofseparating vemcle and pedestrian construction traffic from the airport movement areas. This may inclnde
fencing offconstruction areas to keep equipment operators in restricted ....s inwbich they are aullrorized to operate. Fencing, or some other form of restrictive barrier, is an operatiocal
necessity in some cases. g. Procedures and equipment, such.s barricades (idcntiJY type), to delineate elosed construction areas from the airport operational areas, as necessary. b. Limitations
on construction. i. Required compliance ofcontractor personnel with all airport safety and seecrily measures. j. Location ofstookpiled collSttUCtion materials, construction site parlcing,
and access and haul roads. IL Radio communications. I. Vehicle identificatioIL m. Trenches and excavations and cover requirements. 3 
AC 1501537(}-ZE 1117/03 D. Procedures for notifying ARFF personnel if water lines or fire hydrants must be deactivated or if emergency access routes must be rerouted or blocked. o. Emergency
notification procedures for medical and police response. p. Use oftemporary visual aids. q. Wildlife management. r. Foreign object debris (FOD) coDlroI provisions. .. Hazardous materials
(HAZMA 1) management. t. MOTAM issuance. u. Inspection requirements. v. Procedures for locating and protecting existing underground utilities, esbles, wires, pipelines, and other underground
facilities in excavation areas. w. Procedures for contacting responsible representativeslpoints ofcontact fur all involved parties. This should include off-<luty contact infunnation
so ao inuuediate response may be coordinated to correct any construction-related activity !bat could edversely affect the operational safety of!be airport. Particular care should be
taken to ensure that appropriate Airways Facilities personael arc idcutilied in !be event event that ao unanticipated utility outage or cshle cut occurs !bat impacts FAA NAVAIDs. L Vehicle
operator training. y. Penalty provisions for noncompliance "ith airport rules aod regulations and the safety plan (e.g., ifa vehicle is involved in a runway incursion). •. Any special
conditions that affect the operation ofthe airport and will require a portion of!be safety plan to be activated (e.g .• low-visibility operations, snow removal). Seetlon 2. Safety and
Security Measures OVERVIEW. Airport operators arc responsible for closely monitoring tenant and construction contractor activity doring the construction project to ensure continual complience
with all safety and security requirements. Airports subject to 49 CFR part 1542, Airport Security, must meet standards for access control, movement ofground vehicles, and identification
ofconstruction coutractor and tenant personnel. In addition, airport operators should use safety program standards, as described in Cbapter 3 ofthis AC, to develop specific safety measures
to which tenants and construction contractors must adbere thronghout the duration ofconstruction activities. Genernl safety provisions are contained in AC lS0/537(}-10, SIIJndartlsfor
Specifying Construction of Airports, paragraphs 40-05, ''Maintena.oce ofTraffic"; 70-08, "Barricades, Waming Signs, and Hazard Markings"; and 80-04, "LimimtiOll ofOperations." At any
time during construction, airclllft operstions, """ther, security, or local airport rules may dictate more stringent safety measures. The airport operator should ensure that both general
and specific safety requirements are coordinated with airport tenants and ATCTpersonnel. The airport operator should also include these parties in the coordination ofall bid documents,
construction plans, and specifications for on-airport construction projects. 2-4. VEffiCLE OPERATION AND MARKING AND PEDEsnuAN CONTROL Vehicle and pedestrian access routes for airport
constnlCtiOn projects must be coDlrolled to prevent inadvertent or unauthorized entry ofpersons, vehicles, or aoimals onto the AOA This includes aircraft movement and nomnovement areas.
The airport operstor should develOp and coordinate a construction vehicle plan with airport tenants, contractors, and the ATCT. The safety planor invitation for bid should inelnde specific
vehicle and pedestrian requirements. The vehiele plan should contain the following itcms: a. Airport operator's rules and regulations for vehiele marlting, lighting, and operation. b.
Requirements for marking and identifying vehieles in accordance with AC 15015210-5, Painting, Marking, andLightingofVehicles Used on on Airport. c. Description ofproper vehiele operatinns
on movement and nonmovement areas under normal, lost communications, and emergency conditinns. d Penalties for noncompliance with driving rules and regulations. e. Trsining requirements
for vehicle drivers to ensure compliance with the airport operator's vehicle rules and regulations. £ Provisinns for redio communication training for construction coutraetor personnel
engaged in construetion activities around aircraft movement areas. Some drivers, 4 
1117/03 such lIS OOllSIIUction drivers Wlder escort, may not require 1:bis training. . g, Escort procedures for construction vehicles requiring access to aircrnft movement areas. A vehicle
in the movement area must have a working aviation-band, two-way radio unless it is w:tder escort Vehicles can be in closed areas without. radio ifthe closed area is properly marked and
lighted to prevent incmsions and a NOTAM reganling the closure is issued. b. Monitoring procedures to ensure that vehicle drivers are in compliance with the construction vehicle plan.
L Procedures for, ifappropriate, personaol to control access through gates and fencing or across aircraft movement areas. 2-5. CONSTRUCTION EMPLOYEE PARKING AREAS. Designate in advaace
vehicle parking areos for contractor employees to prevent aay unauthorized enlI}' ofpersons or vehieles onto the airport movement area. These areas should provide reasonable contractor
employee access to the job site. 2-6. CONSTRUCTION VEHICLE EQUlPMENT PARKING. Construction employees must park and service all constroetion vehicles in an area designated by the airport
operator outside the runway safety areas and OFZs and never on a closed laxiway or runway. Employees should also park construction vehicles outside the OFA when not in use by construction
personnel (e.g., 􀁯􀁶􀁥􀁲􀁮􀁩􀁧􀁨􀁾􀀠on weekends, or during other periods when constroetion is not active). Parking areas must Mt obstroct the clear line of sight by the ATCT to my tnxiways
or runways Wlder air traffic control nor obstruct aay nmway visual aids, signa, or navigational aids. The FAA must also study those areas to determine effects on 14 CFR part 77, Objects
Affecting Navigable Airspace, surfaces (see parngrnph 2-13 for further information). 2-7. RADIO COMMUNICATION TRAINING. The airport opemtor must ensure that tenant aad construction contractor
personnel engaged inactivities involving unescorted opemtion on aircraft movement AC 1501537D-2E areas observe the proper procedures for communications, including using appropriate mwo
frequencies at airports with and withoutATCTs. Tminingofcontractors on proper communication procedures is essential for maintaining airport opemtional safety. When operating vehicles
on or near open runways or taxiways, construction personnel must understand the critical importance ofmajntaining mdio contact with airport opemtions, ATCT. or the Common Tmffic Advisory
Frequency, whicb may include UNICOM, MULTICOM, or one ofthe FAA Flight Service Stations (FSS).IIS directed by airport lllllIll!getllent. Vehicular traffic crossing active movement areas
must be controlled either by two-WlIy radio with the ATCT, escort, flagman, 􀁳􀁩􀁧􀁮􀁡􀁬􀁬􀁩􀁧􀁨􀁾􀀠or other means appropriate for the particular airport. Vehicle drivers must confirm
by . personal observation the! no aircrnft is approaching thelT position whengivencloorance to cross anmway. In addition, itis the responsibility ofthe escort vehicle driver to verify
the movementlposition of all escorted vehicles at any given time. Even though mwo communication is maintained, escort vehicle drivers must also familiarize themselves wilb ATCT ligbt
gun signals in the event ofradio failure (see the FAA safety placard "Ground Vehicle Guide to Airport Signs and Markings"). This safety placard may he ordered through the Runway Safety
Progmm Web site at btlp:/lwww.faarsp.orgoroblainedwm the Regional Airports Division Office. 2-8. FENCING AND GATES. Airport opemtors and contractors must take care to maintain a high
level of safety and security during constroction when access points are created in the seeurity fencing to permit the passage ofconstruction vehicles or personneL Temporary gates should
be equipped so they can he securely closed and locked to prevent access by animals and people (especially minors). Procedures should be in place to ensure that only authorized persons
and vehicles bave access to the AOA and to prohibit "piggybackin.i( behind another person Or vehicle. The Department of Transportation (DOT) document DOTfFAAlAR-OO/52, Recommended Security
Guidelines for AirportPlonning and Construction, provides more specific information on fimcing. A copy ofthis doewnent can be oblained wm lbe Airport Consultants Council, Airports Councillnternationa
l, or AmcricanAssociation ofAirport Execntives. Section 3. Notification of Construction Activities 2-9. GENERAL. In order to maintain the desired levels ofopemtional safety on airports
during construction activities, the safety plan should contain the notification actions described below. 5 
1117/03 AC 1501537o-2E 2-10. ENSURING PROMPT NOTIFICATIONS. The ailport operator should establish and follow procedures for the immediate notification ofailport users and the FAA ofany
conditions adversely affecting the operational sorety ofan airport. 2-11. NOTICES TO AIRMEN (NOTA.MS). The ailport operator must provide infonnation on closed or bazrudous conditions
on ailport movement areas to the FSS sn it can issue a NOTAM. The airport operator must coordinate the isSUllllce, maintenance, and cancellationof NOTAMs about ailport conditions resulting
from construction activities with tenants and the local air traffic facility (control tower, approach control., or air traffic control center. Refer to AC 150/5200-28, Nolic ..to Airmen
(NOTAM.) for Airport OJX!rolors, and Appendix 4 in thisAC for a sample NOTAMfonn. Ouly the FAA may issue or cancel NOTAMs on shutdown or itrogular operation ofFAA-ownnd facilities. Ouly
the airport operator or an authorized representative may issue or cancel NOTAMs on ailport conditions. (The ailport owner/operator is the only entity that can close or open a runway.)
The ailport operator must file and maintain this list ofanthorized representatives with the FSS. Any person having reason to believe that a NOTAM is missing, incomplete, or inaccurate
must notifY the ailport operator. 2-12. AIRCRAFI' RESCUE AND FIRE FIGHTING (ARFF) NOTIFICATION. The safety pbm must provide procedures for notilYing ARFF personnel, mutual aid providers,
and other emergency seIVices ifconstruction requjres shuttiog offor otherwise disrupting any water line or fire hydrant on the airpert or adjoining areas and ifcontractors work with
bazrudous material on the airfield. Notification procedures must also be developed for notifYing ARFF and all other emergency personnel when the work perfonned will close or affect any
emergency routes. Likewise, the procedures must address appropriate notifications when services are restored. Hl. NOTIFICATION TO THE FAA. For certain ailport projects, 14 CFR part 77
requires notification to the FAA Inaddition to applications made forFedera11y funded construction, 14 CFR part 157, Notice of Construction, Alteration, Activation, .nd Deactivation ofAirports,
requires that the airport operator notifY the FAA in "riting whenever a non-Federally funded project involves the construction ofa newailport; the construction, realigning. altering,
activating. or abandoning ofa runway, landing strip, or associated taxiway; or the deactivation or abandoning ofan entire ailporL Notification involves submitting FAA Form 7480-1, Notice
ofLanding Area Proposal, to the nearest FAA Regional Airports Division Office or Airports Dis1rict Office. Also, any person proposing any kind ofconstruction or alteration ofobjects
that affect navigable airspace, as dermed in 14 CFR part 77 must notifY the FAA This includes construction equipment and proposed parking areas for thisequipmcnt(ie., cranes, graders,
etc.). FAA Form 7460-1, Notice of.Propesed Construction or Alteration, can be osed for this purpose and submitted to the FAA Regional Airports Division Off"", orAirports District Office.
(Sec AC 7017460-2,Proposed Construction orAlteration ofObjec13 that May Affect the Navigable Air.pace.) Ifcoustruction operations require a shutdown ofan airport owned NAVAID from service
for more than 24 hours or in excess of4 hours daily on consecutive days, we recommend a 45-day minimwn notice prior to facility shutdown. Coordinate work for a FAA OWIl<ld NAVAID shutdown
with the local FAA Airways Facilities Office .. In addition, procedures that address unanticipated utility outages and cable cuts that eould impact FAA NAVAIDs must be addressed. 2-14.
WORK SCHEDULING AND ACCOMPLISHMENT. Airport operators-or tenants having construction on their leased properties-should use predesign, prebid, and preconstruction conferences to introduce
the subjcel of airport operational safety during construction (see AC 150153()(}'9, Pred.sign, Prehid, lUld ?reconstruction Corferencesfor AirportGrantProjects). The ailport operator,
tenants, tenants, and conatrnction contractors should integrate operauonal safety requirements into their pJamring and work sehedules as early as practical. Operational safety should
be a slanding agenda item for discussion during progress meetings throughout the prpject. The contractor and airport operator should carry out onsite inspections throughout the project
and immediately remedy any deficiencies, whether caosed by negligence, oversight, or project scope change. 6 
1117103 AC 1501537()-2E CHAPTER 3. SAFETY STANDARDS AND GUIDELINES Section 1. Runway and Taxiway Safety Areas, Obslacle-Free Zones, and 􀁏􀁢􀁪􀁥􀁣􀁴􀁾􀁲􀁥􀁥􀀠Areas 3-1. OVERVIEW. Airport
operalnrs must use these safety guidelines when preparing plans and specifications for CODS1ruction activities in areas lIlat may interfere with aircraft operations. The safety plan
should recognize andaddress these standards fur each aixport construction project. However, the safety plan must reflect the specific needs ofa particular project, and for this reason, these safety guidelines
should not be incorporated verbatim into project specifications. For additional guidance on meeting safety and security requirements, refer to the planning guide tcmpillte included in
Appendix 3 ofthis AC. 3-2. RUNWAY SAFETl{ AREA (RSA)/OBSTACLE-FREE ZONE (OFZ). A runway safety area is the defmed surface surrounding the nmway prepared or suitablc for reducing the
risk of damage to airpillnes in the event of an undershoot, overshoot, or excursion from lila runway (see AC 150/5300-13, Airport Design). Construction activitina within the standirrd
RSA are subject to the following conditions: •. Runway edges. (1) No CODS1ruction may occur closer than 200 feet (6Om) from the runway centerline unless thc runway is closed or restricted
to aircraft operations, requiring an RSA that is equal to the RSA width available during construction, or 400 feet, whichever is less (see AC 150/5300-13, Tables 3-1 throngh 3-3). (2)
Personnel, material, and/or equipment must not peneirate theOFZ, as defined inAC 1501530013. (3) The airport operator must coordinate the construction activity in the RSA as permitted
above with the ATCT and the FAA Regional Airports Division' OffICe or appropriate Airports District Office and issue a local NOTAM. b. Runway ends. (1) An RSA must be maintained ofsuch
dimensions that it extends beyond the end ofthe runway a distaoec equal to that which existed before construction activity, unless the runway is closed or restricted to aircraft operations
fur which the reduced RSA is adequate (see AC 150/5300-13). The temporary use of decillred distances and/or partial runway closures may help provide the necessary RSA. In addition, ail
􀁰􀁥􀁲􀁳􀁯􀁮􀁮􀁥􀁾􀀠materials, and/or equipment must remain clear of the applicable threshold siting surfaces, as defined in Appendix 2, "Threshold Siting Requirements," ofAC 150/5300-13.'
Consult with the appropriate FAA Regional Airports Division Office or Airports District Office In determine the appropriate approach surface required. (2) Personnel, material, andIor
equipmcnt must not penelIllte the OFZ. as defined in AC 1501530013. (3) Thc safety plan must provide procedures for ensuring adequate distance for blast protection, if required by operatioual
considerations. (4) The aixport operator must coordinate construction activity in this portion of the RSA with the ATCT and the FAA Regioua1Airports DivilrionOffice or appropriate Airports
District Office and issue a local NOTAM c. Excavations. (1) ConstructioncoIl!rl!Ctors must· prominently mark open trenches and excavations at the CODS1ruction site with red or orange
flags. lIS approved bY the aixport operalnr, and light them with red lights during hours ofrestricted visibility or darlmess. (2) Open trenches or excavations are nnt permitted within
200 feet (6Om) of the runway centerline and at least the existing RSA distance from the runway threshold while the nmway is open. lfthe runway must be opened before excavations are backfilled,
cover the excavations appropriately. Coverings for open trenches or exmvations must be ofsufficient strength to support the weight of the beavicst aireraft operating on the runway. 3-3.
TAXlWAY SAFETl{ AREASIOBJECf-FREE AREAS. a. Unrestricted construction activity is permissible adjacent to taxiways when the taxiway is restricted to aircraft such lIlat the available
taxiway safety area is equal 'Ifa full safuty area C01lIlOt be olastned through declared distances and partial clOSUl'eS" or o1itcr methods such as alternate l'UllWay use, construction
activity may operate in the RSA as long as conditions cited in _mph 3-1b(2) thro (4) are met In addition, various surfaco. outlined in AC 15()/5300-13 and Terminal Instrument Procedures
(TERPS)must be prorected through an aeronanlical study. 7 
1/17/03 AC 150J5370-2E to at least !4 ofthe widest wingspan ofthe airoraft expected to use the taxiway and the available taxiway objeet-lire area is equal to at leasl.7 times the widest
wingspan plus JO feet. (See AC 15015300-13 for guidance 00 taxiway safety and object-free areas.) Construction activity may be accomplished closer to a taxiway, subject to Ibe following
restrictions: (1) The activity is first coordinated wilb Ibe aiIport operator. (2) Appropriate NOT AMs are issued. (3) MBrlting and lighting meeting the provisions ofparagraph 3-9 are
implemented. (4) Adequate clearance is maimained between equipment and materials and any part of an aircraft. If such clearance can only be maintained ifan airoraft does not have full
use of the entire taxiway widlb (wilb its main landing gear at the edge ofIbe pavement), Iben it will be necessary to move personnel and equipment for each passing aircraft. In tbese
situations, flag persons will be nscd to direct construction equipment. and wing walkers may be necessary to guide aircraft. Wing walkers should be air1inclaviatioo personnel rather
!ban construction worl<ers. b. Constroetion contractors must prominently mark open trenches and excavations at the construction site, as approved by the airport operator, and light them
wilb red lights during hours ofrestricted visibility or darkness c. Excavations and open trenches may be permitted up to Ibe edge ofa structural taxiway and apron pavement provided Ibe
dropolf is marked and lighted per paragraph 3-9, "HazardMarlcing and Lighting." Section 2. Temporary Runway Thresholds 3-4. OVERVIEW. Construction activity in a runway approach area
may result in Ibe need to partially close a runway or displace Ibe existing runway threshold. In either case, locate Ibe threshold in accordance with Appendix 2 ofAC 15015300-13, AllPortDesign.
Ol!iects that do not penetrate Ibese surfaces may still be obstructions to air navigation and may affect standard instrument approach proecdures. Coordinate Ibe .. objects wilb the FAA's
Regional Airports Office or appropriate Airports District Office, as necessary. Refer to the cw:rent edition of AC 15015300-13 for guidance on threshold siting requirements. The partial
runway closure, Ibe displacement ofthe runway threshold, as well as closures ofthe complete runway and olber portions of the movement area also requires coordinatioo wilb appropriate
ATCT persoll!lel and airport users. Caution regarding partial ruoway do,ores: When filing a NOTAM for a partial nmway closure, clearly state to FSS personnel that the portion ofpavement
located prior to Ibe tbreshold is not available for hmding and departing traffic. In this case, Ibe tbreshold has been moved for both landing and takeoffpl.ll:poSeS (this is different
thana dispiHced threshold). Example NOTAM: ''North 1,000 feet ofRtmway 18/36 is closed; 7,000 fcct remain available on Runway 18 and Rtmway 36 for arrivals and departores.» There may
be situations where the portion ofclosed runway is available for taxiing only. Ifso, Ibe NOTAM must reflect reflect this condition. Caution regarding displaoed threshold.: Implementation
of a displaeed threshold affects runway length availshle for aircraft landing over Ibe displacement Depending on Ibe reason for Ibe displacement (to provide obstruction clearance or
RSA), such a displacement may also require an adjustment in the landing distance available and accelerate-stop distance available in the opposite direction. Ifproject scope includes
personnel. equiproent, excavation, ele. willlin the RSA ofany usable nmway oed, we do not recommend a displHced threshold unless arrivals and departures toward Ibe construction activity
are prohibited. Instead, implement a partial closure. 3-5. MARKING GUIDELINES FOR TEMPORARY THRESHOLD. Ensure that markings for temporary displaced tbresholds are clearly visible to
pilots approaching Ibe airport to land. When constroetion personnel and equipment are located close to any threshold, a temporary visual NAV AID, such as nmway end identifier lights
(REIL), may be required (even even on unlighted runways) to derme the new beginning oflb. nmway clearly. A visual vertical guidance device, such as a visual approach slope , indicator
(VASI), pulse light approach slope indicator (PLASI), or precision epproach palb indicator (pAPI), may be necessary to assure landing clearance over personoel, vehicles, equipment. andIor
above-grsdc stockpiled materials. Ifsuch devices are installed.. ensure an appropriate d""";p!ive NOT AM is issued to inform pilots of!bese conditiOIlS. The current edition of AC 15015340-1,
Standardsfor Airport Markings, describes standard marking colors and layouts. In addition, we recommend that a lemporary runway threshold bo marked using the following guidelines: a.
Airport marking.s must be clearly visible to pilots; not misleading, confusing. or deceptive; secured in place to prevent movement by prop wash,jet blast. wing vortices, or other wind
currents; and constructed of 8 
1/17103 materials that would minimize damage to an airotaft in the event ofinadvertent contact. (1) Pavement markings fortemponuy closed portions of the runway should consist ofyellow
chevrons to identifY pavement areas that arc unsuitable for takeofflLanding (see AC 􀀱􀀵􀀰􀀱􀀵􀀳􀀴􀀰􀁾􀀱􀀩􀀮􀀠IfUllBble to paint the marlrings on the pavement, construct them from any
ofthe following J:lllllerials: double-layered painted snow fence, colored plastic, painted sheets ofplywood, or si.miIor materials. They must be properly oonfigored and seeored fD prevent
movement by prop wash.jet blast, or other wind currents. (2) It may be necessary to remove Or cover runway markings, SllCb ..runway designation markings and aiming point markings, depanding
on the length of construction and type ofactiviq> at the airporL (3) When threshold mmkings are needed to identifY the temponuy beginning ofthe runway that is available for landing,
use a \\bite threshold bar ofthe dimensions specified in AC 15015340-1. (4) Iftempoiary outboard elevated or flush threshold bars are used, locate them outside ofthe runway pavement
SUlfa... one on each side ofthe nIDway. They should be .tleast 10 feet (3m) in width and extend outboard from each side ofthe runway so they are c!early visible to 1anding and departing
airoraft. These threshold bars are \\bite. Ifthe white thresho!d bars are not discernable on grass or snow, apply a black baokgroned with appropriate material over the groond to ensure
the markings are clearly visib!e. (5) A temponuy threshold may also be marked with the use ofretroreflective, elevated marlrers. One side ofsuch markers is green to denote the approach
end ofthe runway; the side that is seen by pilots on ro!lout is red. See AC 15015345-39, FAA Specification L853, Runway and Tariway Retrorefkctive Maricer•. (6) At 14CFRpart 139 eer1ificated
airports, temponuy elevated threshold markers must be mounted with a frangib!e filling (see 14 CFR part 139.309). However, at noneer1ificated airports. the temponuy e!evated threshold
markings may either be mounted with a frangib!e fitting or be flexib!e. See AC !5015345-39. b. The application rate of the paint to mark a shortterm temporary nmway threshold may deviate
from the standard (see Item P-620, "Runway and Taxiway Painting," in AC 150/5370-10, Standardsfor SpecifYing Construction qfAirports), but the dimensions must meet the existing standards,
uuless coordinated with the appropriate offices. c:. When a runway is partially closed, the distance remaining signs for airctaft landing in the opposite direetion should be covered
or removed during lbe oonstnlC1ioo. AC 150/5370-2E 3-6. LIGHTING GUIDELINES FOR TEMPORARY THRESHOLD. A temponuy runway 1hreshold mns! be lighted ifthe runway is lighted and it is the
intended threshold fur night landings or instrnment meteorological conditions. We recommend that temporary threshold lights and related visnolNAVAIDs be installed outhoardofthe edges
oflbe full-strength pavement with bases at grade level or as !OW as possible, but not to exceed 3 inches inches (7.6em) above groWld. When any portion ofa base is ahove grade, place
properly compacted fill around the base to minimi.., lbe rate ofgradient cbenge so airotaft can, in an emergeney, cross at normal landing or takeoff speeds without incurring significant
damage (secAe 15015370-10). We -.munend that the following be obseJved \\-ben using temponuy runway threshold lighting: a. Maintain threshold and edge lighting color and spacing standards
as described in AC 15015340-24, Runway and 1i.n:iway Edge Lighting System. Battery-powered, solar, or portable lights lbat meet the criteria in AC 150/5345-50, Speciflcationfor Portable
Runway Lights, may be used. These systems are intended primarily for visnol flight rules (VFR) airctaft operation but may be used for instrument flight rules (IFR) airemft operations,
upon individenl approval from the Flight Standards Division oflbe applicable FAA RegionalOffice. . b. When the runway bas been partially closed, disconnect edge and threshold lights
wilb associated isolation transformers on that part ofthe runway at and behind the threshold (i.e., the portion oflbe nmway that is closed). Alternately, cover the light fixture in such
a way as to prevent light leakage. Avoid removing the lamp from energized fixtures because an excessive number of isolation tnmaformers with open secondaries may damage the regulators
andlor increase the current above its normal value. c:. Seeure, identifY, and·place any temponuy exposed wiring in conduit to prevent electrocution ond flre ignition sources. d, Reconfigure
yellow lenses (caution zone), as neeessary. Ifthe runway has eenterline lights, reconfigure the red lenses, ..necessary, Or pia..the centerline lights out of sCIVice. e. Relocate the
visual glide slope indicator (VOSI), such as VASI and PAPI; other airport lights, sucb as REIL; and approach lights to identifY the temponuy threshold. Another option is to disable the
VOSI or any equipment that would give misleading indications to pilots as to the new threshold loeation. Installation of temponuy visual aids may be necessary to provide adequate guidance
to pilots on approach to the affected runway. Ifthe FAA owns and operstes the VOSI, 9 
AC 1501537o-2E 1117/03 coordinate its installation or disabling with the local f. Issue a NOTAM to infonn pilots oftemporary Airway Facilities Systems Management Office. lig/lting conditions.
Section 3. Other Construction Marking and lighting Activities 3-7. OVERVIEW. Ensure that construction areas, including closed nmways, are elearly and vilribly separated from movement
areas and that hazards, facilities, cables, and power lines are identified prominently for constroction contractors. ThroughQut the duxation ofthe COlll!trUetion project, verilY that
these areas remain clearly marked and visible at all times and that marking and lig/lting aids remain in place and operational. Routine inspections must be made of temporary construction
lig/lling, especially batterypowered lig/lting since weather conditions can limit battery life. 3-8. CLOSED RUNWAY AND TAXIWAY MARKING AND LIGHTING. Closed runway markings consist of
a yellow "X" in compliance wilh the standards of AC 150/5340-1, StantJmdyfor Airf1O'l1Markinga. A very effective and preferable visual aid to depicllemporary elosure is the Jig/lted
"}{" signal placed on or near tha runway designation IlUIIlbers. This device is much more discernible to approaching aircraft than the o!her materials described. Ifthe lig/l!ed "X" is
not available, constroct the marking of any of the following materials: double-layered painted snow fence, colored plastic, painted sheets of plywood, or similar materials. They must
be properly configmed and secmed to prevent movement by prop wash, jet blast, or o!her wind currents. In addition, tbc airport operator may install barricades, traffic cones, activate
stop bars, or olber acocptable visual devices at major entrances to Ibe runways to prevent aircraft from entering a closed portion ofnmway. The placement of even a single reflective
barricade with a "do not enter" sign on a taxiway centerline can prevent an aircraft from continuing onto a closed nmway. If the taxiway must remain open for aireraft crossings, barricades
or markings, as described above or in paragraph 3-9, should be placed on tha runway. D. Permanently dosed runways. For nmways and Imciways that have been permanently closed, disconnect
the Iig/lting circuits. For runways, obliterate tbc threshold marking, nmway designation marking.. and toucbdown zone markings, and place "X's" at eacb end andatl,OOO-foot(300-m)intervals,
Fortaxiways, place an "X" at the entrance of the closed taxiway. h. Temporarily dosed runway and taxiways. For runways that bave been temporarily closed, place an "X" at the each end
of the runway. With Illlciways, place an "X" at theentmnce oftha elosed taxiway. c. Temporarily clo.ed airport. Wben the airport is closed temporarily, mad< tha runways as closed and
tom offIbe airport beacon d. Permanently dosed airports Wben Ibe airport is closed permanently, mad< tbc runways as permanently closed, disconnect tbc airport beacon, and place an "}{"
intbc segmented circle or at a cenlmlloeation ifno segmented eircle exists. 3-9. HAZARD MARKING AND LIGHTING. Provide promineot, comprehensible warning indicators for any area affected
by constroction that is nonnally aecessible to aircraft, personnel, or vehicles. Using eppropriate bazru:d marking and Jig/lting may prevCut demage, injury> tmffic delays, andIor facility
closures. Hazard marking and lig/lling must restrict access and make specific hazards obvious to pilots, vehiele drivers, and other personnel Baninades, traffic cones (weig/lted or stordily
attaebed to Ibe sorra..), or flasbers are aeceptahle methods osed to identifY and defme Ibe limits of constroction and hazardous areas on airports. Provide temporary hazard marking and
lighting to preveut aircraft from taxiing onto a closed runway for takeoff and to identifY open manholes, small areas under repair, stockpiled material, and waste areas. Also consider
less obvious construction-related hazards and include markings to identify FAA, allport, and National Wea!her Service fueilities cables and power lines; insImment landing system (lLS)
critical areas; airport surfuces, such as RSA. OFA, and OFZ; and olber sensitive areas to make it easier for contractor personnel to avoid tbese areas. Tbe constroction epecifieations
niust inclnde a provision requiring the contractor to have a person on call 24 hours a day for emergeney maintenance of airport hazard Jig/lting and barricades. The contractor must file
the contact person's infonn.tion with the airport. 8. Nonmovement u reas. lndicare constroction locations on nonmovement areas in wbieb no part ofan aircraft may enter by using barrinades
that are marked wilb diagonal, alternating orange and wbite stripes. Barricades may be sepplemented with alternating 10 
1117/03 orange and wbite flags at least 20 by 20 incbes (50 by SO em) square and made and insUilled so they are always in an extended position, properly orienred, and securely fastened
to eliminate jet engine ingestion. Such barricades may be many different shapes and made from vorious materials, including milroad ties, sawhorses, jen;ey barrieIll, or barrels. During
reduced visibility or night hours, supplement the borrieades with red lights, either flashing or slecdy-burning, which should meet the luminance requirements ofthe State Highway Department
(yellow lights are not acceptable after October I, 20(4). The intensity ofthe ligI:tIs and spacing for barricade flags and lights must adequately and without ambiguity delineate the
hazardous ares. b. Movement.rea•. Use orange traffic cones; red lights, either flashing or steady-burning, which sliOuId meet the luminance requirements of the Stale Highway Department
(yellow lights are not acceptable alter October I, '"2OO4ii. comps,ble bamciideS miii'kiid with diagOiliil. alWlJ)lIting orange and white stripe!!; audIor signs to separnte all construction/maintenan
ce areas from the movement area. All barricades, terapomy lDllIkers, anil other objects plaCed and left in safmx aress asooci.rcd with any open runway, taxiway, Of taxi1ane must be as
low as possible to :the grmi#J!j of low mass: easily collapsib1t(upon contac! with an aircraft or any of its components; ana weighrcd or stw:dily attached to the surlilce to prevent
displeeement from prop wash. jet blast, wing vortex, or other surface wind eurrents. If affixed to the surface, they must be frangible at grade lev.1 or as low as possible, but not to
exceed 3 inches (7.6cm) above the ground. Do not use nonfiangible hazard markings, snob as concrete barriers audlor metaI-drwn-type barrieades, in aircraft movement areas. Do not use
railroad ties on nmways. Use highly reflective barriers with flashing or steadyburning red lights to barricade taxiways leading to closed nmways. Evaluele all operating factors vmen
determining bow to mark temporary closures that can last from 10 to IS minntes to a much longer period of time. However, we strongly recommeud that, even for closures of relatively short
duration, major taxiwaylrunway intersections be identified with barrieades spaced no greamr than 20 feet (6m) apart. Mark the barricades with a flashing or steady-burning red light At
a minimum, use • singlc barricade placed on the taxiway centerline. 3-10. CONSTRUCl10N NEAR NAVIGATIONAL AIDS (NA V AIDS). Con.stnwtion activities, materialslequipment stomge, and vehicle
parking near electronic NA VAIDs require special consideration since they may interfere with signals essential to air navigation. Evaluate the etreet of construction activity and the
required distance and direction from the NA V AID for each constJUction project Pay particular attention to S!Dckpiling material, as well as AC 1501537G-2E to movement and patking ofequipment
that may interfure with line ofsight from the ATCT or with electronic emissions. Interference from construction may require NAV AID shutdown or adjustment of instrument approach minimums
for lFR. This condition requires that a NOTAM be filed, ConstnJA:tion activities and mamrialslequipment storage near a NA V AID may also , obstruct access to the equipment and instruments
for maintenance. Before commencing construction activity, parking vehicles, or storing construction equipment and mamrials near a NAV AID, consult with the nearest FAA Airway Facilities
Office, it( 3-11, CONSTRUCTION SITE ACCESS AND BAULROADS, Determine the construction rontrae!or's aceess to the construction sites and haul roads. Do not permit the construction contraclor
10 use any access or haul roads other than those approved. Construction contractors mns! submit specific proposed routes assoeiated with construction activities 10 the airport operator
for evaluation and approval as part ofthe safety plan before beginning construction activities. These proposed routes must also provide specifications to prevent inadvertent entry to
to movement areas. Pay special attention to ensure that ARFF right ofway on access and haul roads is not inapoded at any time and that constroction traffic on haul roads does not interfere
with NA V AIDs or appmru:h surfaces ofoperational runways. 3-12. CONSTRUCl1ON MATERlAL STOCKPILING, Stoekpiledmaterials and equipment storsge are not permitted within the RSA and OFZ
of an operational nmway. The airport operator mns! ensure that stockpiled materials and equipment adjacent to these areas are prominently marked and lighrcd during hours ofrestricted
visibility or darlmess. This includes defIlrmining and verifying that materials are stored at an approved location to prevent foreign object damage and attraction ofwildlife. 3-13, OTIlERLlMITATIONSO
N CONSTRUCl10N. Contracf<:lrs may not use open-flame welding or torches unless adequate fire safety precautions are provided and the airport operator has approved their use. Under no
circumstances should flare pots be used within 1heAOA at any time. The use ofelectrical blasting caps must not be permitted on or within 1,000 fuet (300m) of the airport property (see
AC 15OI537G-IO,StandardsforSpeclfYing ComirUction ofAirports). 11 
AC 1501537o-2E 1/17103 3-14. FOREIGN OBJECT DEBRIS (FOD) MANAGEMENT. Waste and loose material •• cmnmonlyrefem:d to as FOD, are capable of causing damage to aircraft landing gears, propellers.
and jet engines. Construction contractors must not leave or place FOD on or near active aircraft movement areas. Materials tracked onto these areas must be continuously removed during
the construction projectWe also recommend that airport operators and construction contractors carefully control and continuously remove waste or loose materials that might attract wildlife.
Section 4. Safety Hazards and Impacts 3-15. OVERVIEW. The situatiO!l8 identified below are potentially bazardous conditiO!l8that may occur during airport construction projects. Safety
area encroachments, unanthorized and improper ground vehicle operations, and unmarlred or uncovered holes and trenches near aircraft operating surfaces pose the most prevalent threats
to airport operational safety during airport construction projects. Airport operators and contractors should consider the following when performing inspections of construction activity:
a. Excavation adjacent to runways, laxiways, and aprons. b. Mounds of earth, construction materials, temporary structures, and other obsmc!es near any open nmway, taxiway, or taxilane;
in the related ohject-fiee area and mraft approaeh or departure areasl:zones; or obstructing any sign or marking. Co Runway resurl'acing projects resulting in lips exceeding 3 inches
(7.6em) from pavement edges and ends. d. Heavy equipment (stationary or mobile) operating or idle near AOAs. in nmway approaches and departures areas, or in OFZs. e. Equipment or material
near NA V AIDs that may degrade or impair radiated signals andIor the monitoring ofnavigational and visual aids. Unauthorized or improper Vehicle operations in localizer or glide slope
eritical areas, resulting in electronic interference andlor facility shutdown. f. Tall and especially relatively low-visibility units (i.e., equipment with slim profiles)-cranes, drills,
and similar objects-located in critical areas, such as OFZs and approach zones. g. Improperly positiooed or malfirnctioning Iigbts or tmlighted airport bezanls, such as holes or excavatioos,
on any apron, open taxiway, or open taxilam or in a related safety, approach, or departure_. h. Obstacles, loose pavement, trash, and other debris on or near AOAs. Construction debris
(gmvel, sand. mud. paving materials, etc.) on airport pavements may result in mraft propeller. turbine engine. or tire demage. Also, loose materials may blow abont, potcntially causing
personal injury or equipment damage. i In1lppropriate or poorly maintained fencing during construction intended to deter buman and animol intrusions into the AOA. Fencing and other markings
that are inadequate to separate oonstruction areas from open AOAs create aviation hazards. j. Improper or inadequate marking or lighting of runways (especially thresholds that have been
displaced or runways that have been closed) and taxiways that could cause pilot confusion and provide a potential for a runway incursion. Inadequate or improper methods ofmarking, barricading,
and lighting oftemporarily closed portions of AOAs create aviation hazards. k. Wildlife attrnctents-such as trash (food scraps not collected from construction personnel activity), grass
seeds, or ponded water-on or near airports. I. Obliternted Or faded markings on active operational areas. m. Misleading or malfunctioning obstruction lights. Unlighted or umnarked obstructioos
in the approach to any open runway pose aviation hazards. D. Failure to issue, opdate, or cat:lCel NOTAMs about airport Or nmway closures or other construction·related airport conditions.
o. Failure to mark and identifY utilities or power cables. Damage to utilities and power cables during construction activity can result in the loss of runwayltaxiway lighting; loss ofnavigational,
visual, or approach aids; disruption ofweather reporting services; and/or loss ofcommunications. p. Restrictions on ARFF access from fire stations to to the runway-laxiway system or
airport buildings. q. Lack ofradio commtmications with construction vehicles in airport movement areas. r. Objects, regardless of whether they arc marked or flagged, or activities anywhere
on or near an airport 12 
1117103 that could be distracting, confusing, or alarming 10 pilots during aireraft operations. s. Water,snow, dirt, debris, or other contaminants that temporarily obscure or derogate the visibility of runwayflaxiway marking, lighting, and pavement edges. Any condition or factor that obscures
or dlminisbes the viSlbility ofareas under oonstruction. t. Spillage from vehicles (gasoline, diesel fucl, oil, etc.) on active pavement areas, such as runways, laxiways, ramps, end
aiIport roadways. u. Failure to maintain drainage system integrity during oonstruction (e.g., no temponuy drainage provided when working on a drainage system). AC 15015370-2E v. Failure
to provide for proper electncallockout and tagging procedures. At larger airports with multiple maintenance shiftsIworkers, construction contractors should make provisions for coordinating
woil< on circuits. w. Failure to eontrol dust Consider limiting the amoWlt ofarea from which the eonln!Clor is allowed to strip turf. L Exposed wiring that creates an electrocution or
fire ignition hllZ8nt Identify and secure wiring, and place it in conduit or bury it y. Site bUllring, which can cause possible obscuration. z. Construction worl< taking place outside
of designated work areas and out ofphase. 13 
AC 150/5370-2E APPENDIX 1. RELATED READING MATERIAL 1. Obtain the latest version ofthe following free publications from the FAA on its Web site at http://www.faa.gov/arp/. In addition,
these ACs are available by contacting the U.S. Department of Transportation, Subsequent Distnbution Office, SVC121.23, Ardmore East Business Center, 3341 Q 75th Avenue, Landover, MD
20785. a. AC 15015200-28, Notices to Airmen (NOTAM) for Airport Operators. Provides guidance for the use of the NOTAM System in aiIport reporting. b. AC I5015200-30, AiPpOP"t Winter
Safety and Operations. Provides guidance to aixport ownersioperators on the development ofan acceptable airport snow and ice control program and on appropriate field condition reporting
procedures. Co AC 150/5200-33, Hazardous Wildlife Attractants On or Near Airports. Provides guidance on locating certain land uses having the potential to attrsct hazardous wildlife
to public-use aixports. d AC I50152 IO-5, Painting, Marking, and Lighting ofVehicles Used on an Airport. Provides guidance, specifications, and standards for painting, marking, and lighting
vehicles operating in the aiIport air operations areas. e. AC 150/5220-4, WaterSupplySystemsfor Aircraft Fire and Rescue Protection. Provides guidance for the selection of a water source
and standards for the design ofa distribution system to support aircraft rescue and fire fighting service operatious on aixports. f. AC 15015340-1, Standardsfor Airport Markings. Contains
FAA standards for markings used on aixport runways, taxiways, and aprons. g. AC 150/5340-14B, Economy Approach Lighting Aids. Describes standards for the design, selection, siting, and
maintenance ofeconomy approach lighting aids. h. AC 150/5340-18, Standardsfor Airport Sign Systems. Contains FAA standards for the siting and installation of signs on airport nmways
and taxiways. i. AC 150/5345-28, Precision Approach Path Indicator (PAPI) Systems. Contains the FAA standards for PAP! systems, which provide pilots with visual glide slope guidance
during approach for landing. j. AC 150/5380-5, Debris Hazards at Civil Airports. Discusses problems at airports, gives information on foreign objects, and explains how to eliminate such
objecls from operational areas. k. AC 70n4f1J-2, Proposed Construction or Alteration ofObjects thot May Affect the Navigable Airspace. Provides information to persons proposing to erect
or alter an object that may affect navigable airspace and explains the need to notify the FAA before construction begins and the FAA's response to those notices, as required by 14 CPR
par177. 2. Obtain copies ofthe following publications from the Superintendent ofDocuments, U.s. Govermnent Printing Office, Washington, DC 20402. Send a eheck or money on1er made payable
to the Superintendent ofDocuments in the amount stated with your request. The Govermnent Printing Office does not accept C.O.D. orders. In addition, the FAA makcs these ACs available
at no charge on the Web site at http://www.faa.gov/arp/. a. AC 150/5300-13, Airport Design. Contains FAA standards and recommendations for aixport design, establishes approach visibility
minimums as an airport design parameter, and contains thc objcct-free area and the obstacle free-zone criteria. ($26. Supl. Docs.) SNOSO-OO7-01208-0. b. AC 15015370-IO,StandardsforSpecifYing
Construction ofAirports. Provides standsrds for construction ofaixports. Items covered include earthwork, drainage, paving, turfing, lighting, and incidental COnstruCtiOIL ($18. Supl.
Docs.) SN050-0070821-0. A-1 
AC 1501537G-2E 1117103 APPENDIX 2. DEFINITIONS OF TERMS USED IN THE AC I. AIR OPERATIONS AREA (AOA). Any area of the allport used or intended to be used for the landing, takeoff, or
surface lIIlIlleuverlng of aiIcrafi. An air operations area ineludes sucl! paVed or unpaved areas !hat are used or intended to be used for the unobstructed movement of oircl'8!t in addition
to its associated runways, taxiways, or aprons. 2. CONSTRUCTION. The presence and movement of eonstruetion-related personnel, equipment, and materials in any location !hat eould infringe
upon the movement of oircmfi. 3. CERTIFICATED AIRPORT. An allport that bas been issued an Airport Opemting Certifieate by the FAA under the authority of 14 CFRpart 139, Certification
and Operation: Land Airports Serving Certain Air Carriers, or its subsequent revisions. 4. FAA FORM 7460-1, NOTICE OF PROPOSED CONSTRUCTION OR ALTERATION. The form submitted to the FAA
Regional Air Traffic or Airports Division Office as fonnal written notification of any kind ofconstruction or a1terntion ofobjects !bat affect navigable airspace, as defined in 14 CFR
part 77, Objects Affecting Navigable Airspace (see AC 7on460-2, ProplMea Construction or Alteration ojOhjects Ilia/May Affect the Navigable Airspace, fuund at http://www.f•••gov/arpl).
5. FAA FORM 7480-1, NOTICE OF LANDING AREA PROPOSAL. Form submitted to the FAA AiIporls Regional Division Office or AiIporls District Office as fonnal written notification whenever a
projeet witheutan airport layout planOD file with the FAA involves the construction ofa new airport; the eonstruction, realigning, altering, activating, or abandoning ofII runway, landing
strip, or associated taxiway; or the deactivation or abandoning ofan entire airport (found .t http://www.r...govla.Pl). 6. MOVEMENT AREA. The nmways, taxiways, and other areas of an
airport !hat are used for taxiing or hover taxiing, air taxiing, takeoff, and landing ofairoraft, exclusive ofJoeding ramps and airel'8!t parking areas (reference 14 CFR part 139). 7.
OBSTRUCTION. OBSTRUCTION. Arrj object/obstacle exceeding the obstruction standanls specified by 14 CFR part 17, subpartC. 8. OBJECT-FREEAREA(OFA). Anareaonthe ground cenrered on the
runway, taxiway, or taxilane eenterline provided to enbance safety of aircraft operations by having the area free of objects except for those objects !hat need to be located in lbe OFA
for air navigation or aircl'8!t ground maneuvering purposes (see AC 15015300-1 3,Ai'P"'"l Design. fur additional guidance on OFA standards and wingtip clearance criteria). 9. OBSTACLE-FREE
ZONE (OFZ). The airspace below 150 feet (45m) above the established airport elevation and along the nmway and extended tunway centerline !hat is required to be clear ofall olljects,
except for frangible visual NAVAIDs that need to be located in the OFZ because of their fimction, in order to provide clearance protection for ain:rafi landing or taking off from the
runway and for missed approaches (refer to AC 15015300-13 for guidanoeon OFZs). 10. RUNWAYSAFETYAREA(RSA). Adeilned surface surrolll1ding the runway prepared or suitable for reducing
the risk of damage to airplanes in the event ofan undershoot, overshoot, or excursion from the runway, in accordancewithAC 150/5300-13. 11. TAXlWAY SAFETY AREA. A defmed surface alongside
the laxiway prepared or suitable fbr reducing' the riak ofdamage to an airplane unintentionalJy departing the taxiway. in accordance with AC 1501530013. 12. THRESHOLD. The beginning
ofthet portion ofthe nmway available for landing. In oome instances, the landing threshold may be disp1aeed. 13. DISPLACED THRESHOLD. The portion of pavement behind a displaced threshold
that may be available for takeoffs in either direction or landing from the opposite direction. 14. VJSUAL GLIDE SLOPE INDICATOR (YGS!). This device provides a visual glide slope indicator
to landing pilots. These SYStems include precision approach path indicators (pAPIs), visual approach slope indicators (VASls), and pulse light approach slope indicators (PLASls). A-2

1/17/03 AC 15015370-2E APPENDIX 3. AIRPORT CONSTRUcnON SAFETY PLANNING GUIDE Aviation Safety Requirements DUring Construction PURPOSE. This appendix provides airport operaJOI"S with
boilerplate fonnat and languagefor developing a softty planforan airport construction project Adapt this appendix, llS applicable, to specific conditions found <R1 the airport for which
the plan is being developed Consider including a copy ofthis safety plan in the construction drawingsfor easy access by contractor personnel. Plnns should contain the following: 1. GENERAL
SAFETY REQUIREMENTS. Throughout the construction 􀁰􀁲􀁯􀁪􀁥􀁣􀁾􀀠tlle following safety and operational practices should be observed: • Operational safety should be a standing agenda
item during ",ogress meetings throughout the construction project. • The contrru::tor and airport operator must perform onsite inspections throughout tlle 􀁰􀁲􀁯􀁪􀁥􀁣􀁾􀀠with immediate
remedy of""Y deficiencies, whether caused by negligence, oversight, or project scope change. • Allport runways and taxiways should remain in use by airoraf't to the maximum _ possible.
• Aircraft use ofareas near the contorntor's worlc should be controlled to minimize disturbance to the contractor's operation. • Contractor, subcontrru::tor, and supplier employees or
any unauthorized persons must be restricted from entering an airport area that would be hazardous, • Construction that ill within !be safety area ofan active runway, taxiway, or apron
that is performed under normal operational conditions must be performed when tlle runway, taxiway, or apron is clused or use-restricted and initiated only witll poor permission from
!be airport opemtor, • The contrru::ting officer, airport operator, or otl!er designated airport representative may order the contrru::tor to suspend opemtions; move personnel, 􀀢􀁱􀁵􀁩􀁰􀁭􀁥􀁮􀁾􀀠an
d materials to a safe location; and stand by until aireraft use is completed. 2. CONSTRUCTION MAINTENANCE AND FACILITIES MAINTENANCE. Before beginning""Y construction activity, the contrru::tor
must, through the airport operator, give notice [using the Notice to Airmen (NOTAM) System] ofproposed location, time, and date of commencement of constraetion. Upon completion of work
and return of aU such areas ID standard conditions, the contrru::tor must, through the airport operator, veritY the cancellation ofall notices issued via the NOTAM System. Throughout
the duration of!be construction 􀁰􀁲􀁯􀁪􀁥􀁣􀁾􀀠the contrru::tor must.8. Be aware of and onderstand the safety problems and bazards described in AC 150/537()"2, Operational Safely on
Airportr During Construction. b. Conduct activities so as not to violate any safety standards con1ained in AC lS0/537()"2 or any of!be references therein. Co Iru;peet all construction
and stomge """'" as often as necessary to be aware ofconditions, d. Promptly take all actions necessary to prevent or remedy any unsafe Or potlmtially unsafe comlitions as soon as they
are discovered 3. APPROACH CLEARANCE TO RUNWAYS. Runway thresholds must provide an unobstructed unobstructed approach surface over equipment and materials. (Refer to Appendix 2 inAC
150153()()"13,AirpartDesign. for guidance in this area.) 4. RUNWAY ANDTAXlWAYSAFETY AREA (RSA AND TSA). Linrit construction to outside ofthe approved RSA, as shown on tlle approved airport
layout plan-4mless the runway is closed or resti1cted to aireraft operations, requiring a lesser standard RSA that is equal to the RSA available during construction (see AC 15015370-2
fur exceptions). Construction activity within the TSA is permissible when the taxiway is open to aireraft traffic if adequate wingtip clearance exists between the aircraft and oquipmentJmaterial;
evacuatioos. trenches, or other conditions are conspicuously marl<ed and lighted; and local NOTAMs are in .treet for the activity (see AC 150153()()"13 [or wingtip clearance requirements).
The NOT AM should state 􀁴􀁨􀁡􀁾􀀠"porsonnel and equipment are woiking adjacent to Taxiway__." B. Prooedu_ for protecting runway edges. • Limit construction to no closer than 200 200
feet (6Om) from the runway centerline--unless the runway is clused or restricted to aireOO operations, requiring a lesser standard RSA A-3 
AC 􀀱􀀵􀀰􀀱􀀵􀀳􀀷􀁾􀀲􀁅􀀠1117/03 that is equal to the RSA available during • Coordinate construction activity with the construction. Airport Traffic Control Tower (ATCT) and • Prevent
personnel, material, and/or equipment, as defined inAC 150/5300-13, Parngraph 306, "Obstacle Free Zone (OFZ),􀁾􀀠from penetmting the on. FAA Regioual Airports Division Office or Airports
District Office, and through the airport opemlnr, issue an appropriate Nm'AM Complete the [aI/awing chort to determine the area thot must be protected along the runway edges: Runway
RSA Width inFeel Dividedby 2"Aircraft Approach Airplane Category' Design Group' A,B,C,orD I, II,Ill. or IV •See AC 1SO/53(J{).13, AIrportDeSIgn, to complete the chart for a specifie
nmway. b. Procedures for protecting runway end.. • Maintain the RSA from the runway tlucshold to a point at least the distance from the runway threshold as existed before construction
activity-unless the runway is closed or restricted to airoraft openrtions, requiring an RSA that is equal to the RSA length availRble during construction in accordance with AC 15015300-13.
This may involve the use ofdeclared dislances and portia! runway closures (see AC 15015370-2 for exceptions). • Ensure all personnel, m.lerials. andIor equipment are clear ofthe applicable
tlucshold siting criteria surface, as defined in Appendix 2. "Threshold Siting Requimnents," ofAC 150/5300-13. • Prevent personnel, material, and/or equipment, as defined in AC 15015300-13,
from penetmting the obstacle-free Zone. • Ensure adequate distance for blast protection is provided, as needed. • Coordinate construction activity with the ATCT and FAA Regional Airports
Division Office or Airports District Office, and through the airport operator, issue an appropriate NOTAM. • Provide a drawing showing the profile ofthe appropriate surfaces ofeach runway
end where construction will take place. Where operations by turoojet airoraft are anticipated, review takeoff procedures andjet blast characteristics of airoraft and incorporate safety
measures for constroction worlters in the contract dooument& A-4 
1117/03 AC 1501537D-2E Complete the following chart to determine the area that must be protected before the runway threshold: RIlllWIlY End Airpllme Aircraft Minimum Safety Area Minimum
Unobstrocted Number Design Group' Approach Prior to !he'Ibnlsbold' Approaoh Slope Category· 􀁉􀁾􀀠II, m, orIV A,B,C,orD __:FEEl" _: I to (tbresbold) __:FEEl" _: I to (tbresbold) __:FEEl"
I _: 1 to (tbresbold) __:FEEl" _: I to (tbresbold) 'See AC 15015300-13, AIrport DeSIgn. 10 complete the chart for a specific runway. 5. MARKING AND LIGIITING FOR TEMPORARY THRESHOLDS.
Marking and lighting for a lemporal)' threshold is__fls nOI__required. The airport owner or contraclor, as specified in the contract, will furnish and maintain markings for temporal)'
thresholds. Precision approach path indicators (PAPIs) or nmway end identification lights (RElL) 8re__/are nOI__required The airport owner or contractor, !IS specified in !hecontract,
will furnish and install oll temponuy lighting. Include appropriate items perAC 150/5370-2, Chapter 3, "Safuty Standards and Guidelines.» g markingand lightingfor the temporary threshold
is not required. delete this section ofthe safety plan. Ifvisual aid:< and/or markings are necessary, provide details. (Include applicable 14 CFR pari 77surfoces in the contract documents.)
6. CWSEDRUNWAYMARKINGSAND LIGHTING. The following must be specified for closed runways. Closed runway marking are __'arenot__required. Closed runway markings will be as shown on the
plans__las fi.tmished by the airport owner__'other__(specify). Batricades, llagging, and llashers are__lare not__required at Taxiway__ and RlD1way__and will be supplied by the airport
_Iotber_(specify). 7. HAZARDOUS AREA MARKING AND LIGHTING. Hazmdous areas on!hemovement area will be marked with barricades, Imffic cones, flags, orJlasbers (specify). These markings
restrict access and make bazards obvious 10 airond't, personnel, and veldeles. During periods oflow visibility and at night, identify hazatd01l8 areas with red flashing or steady-burning
lights ( specify). The hazardous area marking and lighting will be supplied by the airport operator/contractor, as specified in !he contract, and will be depieted on the plans. 8. TEMPORARY
LIGHTING AND MARKING. Airportmarkings, lighting, aodIor signs will be altered in the following manner (specify) daring !he period from __to __. The alterations are depicted on the plans.
9. VEHICLE OPERATION MARKING AND CONTROL Include the following provisio1l8 in the construction contract, and address them in the safety plans: •• When any vehicle, other than one that
bas prior approval from the airport operator, must travel over any portion ofan aircraft movement area, ilwill be escorted and properly identified. To operate in those areas during day
light hours, the vehicle must bave a flag or beacon attached to it AD.y vehlele operating on !he movement areas daring hours ofdarkness orreduced visibility must be equipped with. flashing
dom<>-type light, !he color of which is in accordancc with local or state codes. b. It may be desiJ:able to clearly identify !he vehleles for contrul putposes by either assigned initials
or numbers !het are prominently displayod on cach side of the velde1e. The identification symbels should be at minimum 8-inch (2O-cm) block-type eharaclAm; of. contrasting color and
easy to read They may be applied either by using tape or a water-soluble paint to facilitate removal Magnetic signs are also acceptable. In addition, vehicles must display identification
media, as specified in the approved security plan. (!'his section should be revised to conform to the airport operator"s requirements.) 
1/17/03 (. Employee parking shall be 􀁾􀁾􀁾􀁾􀁾􀁾􀀭􀀭􀀮􀀭􀀭􀀮􀀭􀀭􀀭􀀭􀀭􀀨􀁾􀁾location), as designaled by the airport manager__' project engineer __/other__􀀨􀁾􀁾􀀩􀀮􀀠II. Access to the
job site shall be via._-:-:--:-__ 􀀨􀁳􀁰􀁥􀁣􀁾􀀠route), as shown on the pJans__ldesignaled by the engineer__/designaied by the superintendent__/designated by the airport manager__/other__􀀨􀁳􀁰􀁥􀁣􀁾
􀀩􀀮􀀠e. At 14 CPR part 139 ce[1ificated and towered allports, all vehicle operators having access to the movement area must be familiar with allport procedures for the operation of
ground vehicles and the consequences ofnoncompliance. f. If the allport is certirlC!!ted an<IIor bas • security plan, the airport operator should check fur guidance on the edditional
identification and control ofconstruction equipment 10. NAVIGATIONALAID8. The contractor must not conduct any construction activity within navigational aid restricted areas without prior
approval from the local FAA Airway Facilities sector representative. Navigational aids aids include inslrument hmding system oomponents and very bigh-frequeney omnidirectional range,
allport SUlVeillance redar. Snch restricted areas are depicted 00 cons1ruction phms. 11. LIMITATIONS ON CONSTRUCTION. Additional limitations on construction include•• Prohibiting open-flame
welding or toreh cutting operations unless adequate fire safety precautions are provided and these operatiollS have been authorized by the airport operator (as tailored to conform to
local requirements and restrictiOJ'lS). b. Prominently marking open lrenches, cxcavations, and stockpiled materials at the cons1ructioo and lighting these obstacles during hours ofrestricted
visibility and darkness. c. Marking and lighting closed, deceptive, and hazardous areas on airports, as appropriate. II. Constraining stockpiled material to prevent its movement as a
result ofthe maximum anticipated aircmft blast and forecast wind conditions. 􀀱􀁾􀀠RADIOCOMMDNlCATION8. Vehicular traffic located in or crossing an active movement area must have a worlring
two-way radio in contact with the cootrol tower or be escorted by a peJ1!On in radin contact with the tower. The driver, through personal observation, should conf'um that no aircraft
is approaching the vehicle position. Cons1ruction personnel may operate in a movement area without two-way radio communication provided a NOT AM is issued closing the area and the area
is properly marked to prevent inclUSions. Two-way radio communications are __/are not__;equired between contractors and the Airport Traffic Control TOWCT__IFAA Flight Service Statiou__/Airport
Aeronautieal Adviaory Stations (UNICOM/CTAF)___. Radiocon1actis lis. not__required between the hours of__and ___. Continuous monitoring is required __lor is required only when equipment
movement is necessary in certain areas__. (Thi. section may he tailored to suit the specific vehick andsafety requirements o/the airport sponsor.) 13. DEBRIS, Waste and loose material
must not be placed in active movement areas. Materials tracked outo these areas must be removed continuously during the WOIk project M3 
1/17103 AC 15015370-2E APPENDIX 4. SAMPLE NOTAM __________AmPORT FAA NOTAM 11 ______________________ DATE: ____________ TlME: __________AmPORTLD. NOTAMTEXT: NOTIFICATON: IIIIIIIITOWER
______ PHONE II INITIALS TIME CALLED IN BY 11# #11 FSS PHONE # INITIALS TIME CALLED IN BY AIRLINES CANCELLED: NOTIF[CATON: II II 1111 TOWER _____ PHONE # INITIALS TIME CALLED IN BY ####FSS
PHONE # INITIALS TIME CALLED IN BY AIRLINES A-7 
Advisory 􀁕􀀬􀁳􀀮􀁾􀀠oC liOl'lSPOlkl1ion Circular......"...-.... -Subject: Oa••: 5/1/85 ACNo: ?RECONSTRUCTION CONfERENCES FOR 􀁬􀁾by. AAS-200 CtNInge: AIRPORT GRANT PROJECTS 1. PURPOSE.
This advisory circular (AC) provides guidance for conducting predesign, prebid, and preconstruction conferences for projects funded under the Federal Aviation Administration%: (FAA)
airport grant program. 2. CANC£LLI\TION. PC 150/5300-9, Predesign and I?reconstruction Conferences (ADAI' Projects), dated September 10, 1913, is cancelled. :.s.. 􀁂􀁁􀁃􀁋􀁇􀁒􀁏􀁏􀁎􀁄􀁾􀀠Predesign,
prebid, and preconstruction conferences should be conducted to ensure that the sponsorl the engineer, the contractor and other interested parties are aware of design, safety, and construction
requirements and have an understanding of thAir individual responsibilities, as well as the technical and legal requirements of the contract. The magnitude, type, location of project,
and the nature of airport use will determdne the need for such conferences. 􀁾􀀮􀀠PREDESIGN CONfERENCE. a. Purpose. A predesign conference, convened and conducted by the sponsor or an
authorized agent, should 00 used to discuss various items relating to design parameters, airport safety, routing of aircraft and equipment, sequencing of construction operations, environmental
considerations and civil rights requirements. A predesign conference is essential when a project is of sufficient magnitude to affect airport operations during construction. Possible
conflicts between construction activities and the operation of the airport should be resolved at this meeting. b. Timing_ The meeting should be held as soon as sufficient preliminary
design work has been completed and ah:ays prior to preparation of the final plans and specifications. Sufficient time should be allowed to notify all parties so that schedules can be
arranged accordingly. A minimum of 10 working days is 􀁲􀁥􀀺􀁣􀁏􀁬􀀧􀁴􀁬􀁬􀁍􀀺􀀡􀁮􀁤􀁥􀁤􀁾􀀠c. 􀁐􀁡􀁲􀁴􀁩􀁣􀁩􀁰􀁡􀁮􀁴􀁳􀁾􀀠(1) The participants will vary according to the effect effect
that the proposed construction will have on the operations of the airport. As applicable, the sponsor should invite the following parties to participate: (1) Sponsor's design engineer.
{iil Airport management. 
2 AC 150/5300-9A 5/1/85, (iii) Air Transport Association regional representatives. (iv) Air Line Pilots Association representatives. (v) Fixed base operators. (v!) Airline representatives.
(vii) E"AA airport certification inspector at all airports certified under FAR Part 139. {viii) Representative of FAA Airports field 􀁯􀁦􀁦􀁩􀁣􀁥􀁾􀀠(2) The FAA Airports field office
should assure that all appropriate FAA offices (Air Traffic, Flight Standards, etc.), military installations, and Federal agencies that may have an interest in the project are notified.
d. Agenda Items. The sponsor should prepare an agenda of items to be discussed at the predesign conference. A list of typical items is contained in appendix 1. This list is not all inclusive
and items should be added, as 􀁮􀁥􀁣􀁥􀁳􀁳􀁡􀁲􀁹􀁾􀀠5. PREBID CONFERENCe. a. Purpose. A prebid conference should be conducted by the sponsor's engineer for large projects or projects
with unique features in an effort to clarify and explain construction methoos, procedures, procedures, and safety measures required by the contract. h. Timing_ The meeting should be
held a minimum of 10days prior to the bid opening date. c. Participants. The participants should normally include prospective bidders, subcontractors and material 􀁳􀁵􀁰􀁰􀁬􀁩􀁥􀁲􀁳􀁾􀀠Under
no.rrnal circumstances, FAA participation is not required but is desirable. d. Agenda Items. Typical agenda items include: (1) New or unique· construction methods. (2) New construction
procedures, i.e. t statistical acceptance testing. (3) Operational safety requirements. (4) Minority Business Enterprise (MBOj and other civE rights requirements. See At::: 150/5100-15.
Civil Rights Require.<tents for the Airport Improvement ProqraE:l tAIl?) f current edition. (5) Labor requirements. See AC 150/5100-6, Labor Requirements for the Airport Improvement
Program (AIP), current edition. Par 4 
/5/1/85 AC 150/5300-9A Any changes or modifications approved during the conference shall be included in an addendum to the bid documents. A copy shall be furnished to each prospective
bidder who purchased or borrowed bid documents, including those who did not attend the conference. Copies of the proceedings, containing all items discussed and resolved, including responses
to questions, shall be made available to each of the participants, upon request. e. Availability of Advisory Circulars. Copies of AC'B applicable to a project should be available for
distribution to prospecti ve bidders, including: (1) AC 150/5345-1-Approved Airport Lighting Equipment. (2) AC 150/5100-6-Labor Requirements for the Airport Improvement Program (AlP).
(3) AC 150/5100-15--Civil Rights Requirements for the Airport Improvement Program (AlP). AC 150/5345-16sts the names and addresses of manufacturers of airport lighting equipment. AC'sl50/5100...6
and 5100-15, respectively, contain the basic labor and civil rights requi"rements that contractors are required to meet. 6. PRECONSTRUCTION CONFERENCE:. a. Purpose. A preconstruction
conference, convened and conducted by the sponsor or an authorized agent, should be used to discuss various items including operational safety, testing, quality control, security, safety,
labor requirements and environmental factors. This meeting, among all parties affected by the construction, should assist in a better understanding of potential problems and possible
solutions. b. Timing. The preconstruction conference should be conducted as Boon as practicable after the contract has been awarded and before issuance of the notice to proceed. Sufficient
time should be allowed to notify all parties so that schedules can be arranged accordingly. A minimum of 10 days is recommended. c. Participants. (1) The participants will vary according
to the effect that the proposed construction will have on the operation of the airport.' As applicable, the sponsor should invite the following parties. (i) Sponsor's engineer. ((ii)
Resident engineer. (iii I Airport management. Par .5 
AC 150/5300-9A 5/1/65 (iv) Testing laboratory. (v) Contractor and subcontractor (5) • (vi) Contractor% project superintendent. (vii) Contractorsproject clerk. (viii) Airport users including airline representatives, fixed base operators, Air Line Pilots Association representative, Air Transport AssociatJ.(lO regional representative,
and military representative (joint use airport). (ix) Utility companies affected by the proposed construction. (x) Federal, state or local agencies affected by the proposed construction.
(xi) Representative of FAA Airports field office. :2) The FAA Airports field office should assure that all appropriate FAA offices (Air Traffic, Flight Standards, etc.) military installations,
and Federal agencies that may have an interest in the project are notified. d. AGENDA ITEMS. The sponsor or authorized agent should prepare an agenda prior to the preconstruction conference.
A list of typical discussion items is contained in appendix 2. This list is not all inclusive and items should be added, as necessary. A written report or minutes should be furnished
to the contractor. The report should consist of a summary of the discussions, with the conference agenda and a list of attendees attached. Copies should be made available to each of
the participants, upon request. LEONARD E. HUOD Director, Office of Airport Standards Par 6 
5/1/a5 AC 150/53()()"9A Appendix 1 APPENDIX 1. AGENDA ITEMS FOR PREDESIGN CONFERENCE 1. DESIGN PHASE. a. Discussion of scope of work and design parameters peculiar to the project, including
items such as design aircraft, local conditions and materialst use of recycled materials, design options, Use of FAA standards, and materials furnished by others. b. Submission of an
engineer%-report with the plans and specifications" The report should include: (1) Scope of proposed project. !2l Design alternatives and reason for selected 􀁤􀁥􀁳􀁩􀁧􀁮􀁾􀀠 (3) Pavement
designl including summary on FAA Fom 5100..1. Pavement Design. (41 Drainage design computations. (5) Explain choice of equipment for lighting 􀁤􀁥􀁳􀁩􀁧􀁮􀁾􀀠(6) Explanation of deviation
from rnA design standards. (1) Reasons for modifications to construction standards. {a) Description of non-Federally funded work to be included in the contract. (9) Engineer's estimate
of contract 􀁣􀁯􀁳􀁴􀁾􀀠(10) Provisions included in the plans and specifications to carry carry out environmental mitigation actions resulting from the environmental coordination process.
2. CONSTRUCTION PHASE. A. The sequence of construction phases and any necessary special routing of aircraft considering airline schedulesf lead time for clearance of runwaYf taxiway,
or apron by construction equipmentf notification of schedule changest and procedures for emergency handling of aircraft. h. Location of auto parking lot for use of contractor's employees
and access from public 􀁲􀁯􀁡􀁤􀁾􀀠c. Marking and lighting of construction areas. :::I. Location of contractorts stockpilesl construction office, and 􀁰􀁬􀁡􀁮􀁴􀁾􀀠 
AC 150/530G-9A 5/1/65 Appendix 1 e. Location of on-site haul roads. f. Designation of on-site waste 􀁡􀁲􀁥􀁡􀁳􀁾􀀠g.. Control of air, water, and noise pollution and other envi);'onmental
considerations and requi);'ements. h. Access from public road to construction area and construction office and the need for security measures. i. Establishment of minimum. distance restrictions
for construction vehicles, equipment, workers and materials with relation to runway, tax1:ways and navigational aids (HAVAlDS) that remain in operational use. See AC 15015370-2, Operational
Safety on Airports During COnstruction, current edition. 3. OPERATIONAL SAFETY. The provisions of AC 150/5310...2 should be discussed and the appropriate provisions incorporated into
the plans and specifications in a section on airport safety. 4. The party responsible for issuing and maintaining the the construction period and the point of issuance. 5. MARKING MID
LIGIrIING. a. Threshold displacement. h. Temporary or permanent runway or taxiway closing, including marking. e. Insta!!ation and maintenance of marking and lighting for threshold displacement
or closing of runway and taxiway. 6. TRAFFIC CONTROL. a. The requirement of a signa! person or vehicular traffic control at point of conflict between aircraft and surface vehic!es. b.
The marking and/or lighting of construction equipment and vehicles. c. The parking of construction equipment and vehicles when not engaged in construction, during nonworking days and
at night. 􀁾􀀮􀀠Any required communications between construction or inspection forces and the Air Traffic Control Tower (ATCT) or the Flight Service Station (FSS). 
5/1/85 AC 150/5300-9A Appendix 1 7. NlWAIDS. a. The impact of proposed construction on 􀁩􀁮􀁳􀁴􀁲􀁬􀁬􀁩􀁾􀁮􀁴􀀠approach procedures and takeoff or landing minimwns. The need for temporary
NAVAlDts and/or visual aids. See AC lJO/5370-2, paragraph S, b. rhe time sequence of contractor events related to the required temporary shutdown of a NAVAlO system, assuring minimum
facility shutdown time. em Identification of buried cables and utilities within tne 􀁣􀁯􀁮􀁳􀁴􀁲􀁾􀁣􀁴􀁩􀁯􀁮􀀠area. 6. SECURITY. Requirements to maintain temporary airport security,
i.e., security control at gates where contractor personnel and equipment enter the airport. 9. ENVIRONMENTAL. Envirorunental mitigation actions resulting from the environment coordination
process. 10. CnlL RIGHTS AND LABOR REQUIREMENTS. Civil rights and lahor requirements applicable to the project. 3 (and 4) 
511/85 AC 15Q/5300-9A Appendix. 2 APPSlIJ)lX 2. AGENDA 1100 FOR PRECONSTRUCrrON CONFERE."ICE The conference should be scheduled so that items of general interest to all participants
are discussed prior to special interest items. 1. GENERA(, INTEREST l\llD SA.FETY ITEMS. a. The scope of the project and the sequence and tinting of all operations. b. Relationship of
the resident engineer to the sponsor With emphasis on the "authority of the resident engineer to act in the sponsor's behalf. Advise that the resident engineer has the authority to suspend
operations, wholly or in part, when safety violations or nonconformance to the contract specifications are noted. ell Relationship between the FAA and the sponsor. d. Identification
of the contractor's superintendent and a discussion of his/her authority and responsibilities. e. Designation of sponsor representative responsible for notifying the Flight Service Station
serving the airport of the proposed start and completion dates of construction or of any circumstances requiring a NOTAM. f. Scheduling of work and the need to perform certain items
at various stages of the project, including operational safety problems which might arise because of the proposed work. g.. Notice to proceed date. h. Safety during construction, including
the responsibility for marking and lighting of closed and hazaraous areas. See AC 150/5370-2 and 150/5370-1. Marking of Paved Areas on Airports, current edition, for detailed information.
1. Security requirements. j. Discuss the need for continuing vigilance for potential or eXisting hazards relative to any of the items listed in appendix 1. In addition to these items,
all responsible parties must be alert to the following hazard-producing situations which may develop during the construction period. (1) Open trenches and settlement of backfill adjacent
to. pavement. (2) Pavement "drop offsff or "llps" at pavement tie"-in areas# (3) The obliteration,. inadvertent relocation or disturbance of the marking and/or lighting of displaced
threshold and marking of closed runways or taxiways. (4) Damage to existing in-use pavement lightin9, marking or NAVAIDS by. construction 􀁦􀁯􀁲􀁣􀁥􀁳􀁾􀀠
2 AC 150/5300-9A 5/1/85 . Appendix 2 (5) 􀁓􀁰􀁩􀁬􀁾􀁡􀁧􀁥􀀠f.tom vehicles on active aitport pavement. Co) Tempozary stockpiling of matedal for an extended period of time. (7) Contractor
vehicular tLaffic through restricted critical areas of NAVAID facilities and the airport operating area. (8) Dust control and envLronmental factors. such as burning, waste disposal/etc.
(9) Maintenance of sanitary facilities on the project site. 2. CONSTIUJCTION ITEMS. a. The general .requirements of quality control and testing should be discussed. It should be cleazly
understood who will do the testing, what is to be tested.t when it is to be tested, and the location and number of tests. b. Discussion of Test 􀁒􀁥􀁰􀁯􀁲􀁴􀁳􀁾􀀠Each report should,
as a minimum, contain the following information. (I) Test perfoLmed. IZ) llpplicable standaxd. (3) Test location. (J4,) Test result. (5) Action taken for failing tests. A copy of all
test reports should be furnished to the resident engineer in a timely 􀁭􀁡􀁮􀁮􀁥􀁲􀁾􀀠Failing test results should be reported to the resident engineer immediately. Explain that FAA is
not obligated to financially participate in construction that does not meet contract plans and specifications. c. h..-nphasize the Role of the Resident Engineer. Duties include the following:
(1) Ensure all required testing is performed. (2) EnSULe tests aLe performed at the frequency stated in the specifications. If not stated in the specifications make sure an adequate
number of tests are taken to document an acceptable level. (3) Review test results for confo.t:.tnance to specifications. (J.t) Inform the contractor of deficiencies so that corrections
can be made and retests performed prior to covering any Bubstandard wOLk with additional materiaL (5) Maintain record of quantity of materials used on the project. (6) Maintain copies
of test reports on file. 
5/1/85 AC 150/5300-9A Appendix 2 (7) Maintain a diary. Contents of a diary should include: (1) Weather conditions and temperature. (i1) Work in progress and location. (iii) Equipment
in use -types and numbers. (iv> Size of work force including supervision. (v) Hours worked per day for contractor and subcontractors. (vi) Materials delivered. (vii) Any instructions
to the contractor. (viii) Principal visitors. (8) Maintain set of working drawings which can be used to prepare Was-constructeda drawing. d. Discussion of periodic construction report,
Construction Progress and Inspection Report (FAA Form 5370-1). e. Change orders, time extensions, periodic cost estimates, and liquidated damages. 3. LABOR REOUIREMENTS. Labor requirements
including items such as: a. Minimum wage rates. b. Employee classification and payrolls. c. Review of payrolls by sponsor. AC 150/5100-6 contains the basic labor requirements for sponsors
and contractors working on AlP projects. 4. CIVIL RIGHTS REQUIREMENTS. Civil rights requirements including items such as: a. Minority Business Enterprise Program (HBE). b. Equal Employment
Opportunity. c. Certification of Nonsegregated Facilities. AC 150/5100-15 contains the basic civil rights requirements for sponsors and contractors worlcing on AlP projects. 5. 􀁾􀁎􀁖􀁉􀁒􀁏􀁬􀁩􀁬􀁬􀁅
􀁎􀁔􀁁􀁌􀀮􀀠a. Compliance with applicable Federal, state, and local air and water quality standards during construction. b. Environmental mitigation actions resulting from the environmental
coordination process. 
AdvisoryU.s. Dopai1meIt Ofli°lSPOtlO!b1 Circular ",••iIb1.UlIw, -PC 150/5300-9A􀁓􀁵􀁾􀁾􀀧􀀠PREDESIGN, PREBlD,AND ACNo: PRECONSTRUCTION CONFERENCES feR Chang<!' AIRPORT GRANT PROJECTS
1. PURPOSE. This advisory circular [AC) provides guidance for conducting preciesigfl, prehid, and preconstruction conferences for projects funded under the Federal Aviation Adninistration%
(FAA) airport grant program. 2. CANCEIJ:Ji.TION. AC 150/5300-9, Predasign and Preconstruction Conferences (ADAP Projects} I dated September 10, 1913, is 􀁣􀁡􀁮􀁣􀁥􀁬􀁬􀁥􀁤􀁾􀀠j. 􀁂􀀱􀁜􀁃􀁋􀁇􀁒􀁣􀁴􀁊�
�􀁄􀁾􀀠Predesign, prebid, and preconstruction conferences should be conducted to ensure that the sponsor, the engineer, the contractor and other interested parties are aware of designt
safety, and construction requirements and have an understanding of their individual responsibilities, as well as the technical and legal requirements of the contract. The magnitude,
type, location of projectr and the nature of airport use will dctermane the need for for such conferences. 4. PREDESIGN CONFERENCE. a. Purpose. A predesign conference, convened and conducted
by the sponsor or an authorized agent, should be used to discuss various items relating to design parameters, airport safetYf routing of aircraft and equipment, sequencing of :::onstruction
operations, environmental considerations and civil rights requirements. A predesign conference is essential when a project is of sufficient wagnitude to affect airport operations during
construction. Possible conflicts between construction activities and the operation of the airport should be resolved at this meeting. b. Timing. The w2eting should be held as soon as
sufficient 􀁰􀁲􀁥􀁬􀁩􀁾􀁮􀁡􀁲􀁹􀀠design work has been completed and always prior to preparation of the final plans and 􀁳􀁰􀁥􀁣􀁩􀁦􀁩􀁣􀁡􀁴􀁩􀁯􀁮􀀳􀁾􀀠Sufficient time should be allowed
to notify all parties so that schedules can bearranged accordingly. A minimum of 10working daysis recommended• c. Participants. (1) The participants will vary according to the effect
that the proposed construction will have on the operations of the airport. As applicable, the sponsor shOUld invite the following parties to participate: (1) Sponsor! s design engineer.
(ii) Airport l'I'I<'tnagement. 
2 AC 150/530IJ-9A 5/1/85. (iii) Air Transport Association regional representatives. (ivl Air Line Pilots 1\.ssociation representatives. (v) rixed base operators. {vi) Airline reprc:3entatives.
(vii) PM airport certification inspector at all airp)rts certified under FAR Part 139. (viii) Representative of FAA Airports field office. (21 The FAA Airports ,field office should assure
that all appropriate FAA offices (Ai! Traffic, Flight Standards, etc.), military installations, and Federal 􀁡􀁧􀁥􀁮􀁣􀁩􀁥􀁾􀀠that may have an interest in the project are notified. 􀁤􀁾􀀠Aaenda
Items. The sponsor should prepare an agenda of items to be discussed at the predesign conference. A list of typical items is contained in appendix 1. This list is not all inclusive and
items should be added, as necessary. ,. PRESID CONFERENCE. a. Purpose. A prebid conference should be conducted by the sponsor's engineer for large projects or projects with unique features
in an effort to clarify and explain construction methods, procedures1 and and safety measures required by the contracL b. Timing. The mooting should be held a lTlinimum of 10 days prior
to the bid opening date. c. Participants. The participants should normally include prospective bidders, subcontractors and material suppliers. Under normal circtJJMtances, E'Ai\ participation
is not required but is desirable. d. Agenda 1tE!ll'ts. Typical agenda items include: (1) New or unique construction methods. {21 New construction procedures, i.e.t statistical acceptance
testing. (3) Operational safety requirements. (4) Minority Business Enterprise (MBO) and other civil rights requirements. See At.: 15-0/5-too-15, Civil Rights Requirements for the F.irport
Improvement Program OUP} , current 􀁥􀁤􀁩􀁴􀁩􀁯􀁮􀁾􀀠(5) Labor requirements. See JlC 15015100-6, Labor Requirements for tho Airport Improvement Program {AlP)l current edition. Par 4

5/1/85 AC 150/5300-9A Any changes or modifications approved during the conference shall be included in an addendum to the bid documents. A copy shall be furnished to each prospective
bidder who purchased or borrowed hid documents, including those who did not attend the conference. Copies of the proceedings; containing all items discussed and resolvedt including responses
to questions, shall be made available to each of the participants, upon request. 8. Availability of Advisory Circulars. Copies of ACts applicable to a project should be available for
distribution to prospective bidders, including: (I)AC 150/5345-1-Approved Airport Lighting Equipment. 12j AC 150/5100-6-Labor Requirements for the Airport Improvement Program (AIP).
(3) 'PJ; 150/5100-15-Civll Rights Requirements for the Airport Improvement Program (AlP). AC 150/531i5-1&sts the names and addresses of manufacturers of airport lighting equipment. A(;'s150/5100-6
and 5100-.15. respectively, contain the basic labor and civil rights requirements that that contractors ace required to moot. 6. PRECONSTR1JCfION CONFERENCE. a. Purpose. A preconstruction
conference, convened and conduded by the sponsor or an authorized agent, should be used to discuss varioils items including operational 􀁳􀁡􀁦􀁾􀁴􀁹􀀬􀀠testing, quality control, security,
safety, labor requirernents and envirorunental factors. This meeting, am.ong all parties affected by the construction, should assist in a better understanding of potential problems and
possible solutions. h. Timing. The preconstruction conference should be conducted as BOon as practicable after the contract has been awarded and before issuance of the notice to proceed.
Sufficient time should be allowed to notify all parties so that schedules can be arranged accordingly. A minim.um of 10 days is recommended. c Participants. (1)Tbe participants will
vary according to the effect that the proposed construction will have on the operation of the 􀁡􀁩􀁲􀁰􀁯􀁲􀁴􀁾􀀧􀀠As applicable, the sponsor should invite the folla;.,,-ing parties.
(i) Sponsor's engineer. (iiJ Resident engi neer. (iii) Airport management. Par 5 
P.C lS0/530o-9A 5/1/85 (ivt Testing laboratory. (v) Contractor and subcontractor(sJ. (vi) Contractor% project superintendent. (vii) Contractors project clerk. {viii} Airport users including
airline representatives, n!';ed base operators, Air Line Pilots Association representativeJ Air Transport Assoeiat1NI regional representative, and military repx:esentative (joint use
airport). {ix] Utility companies affected by the proposed construction. (x) Federal, state or local agencies affected by the proposed construction. (xi} Representative of FAA Airports
field office. ;Zt The FAA Airports field office should assure that all appropriate FAA offices (Air Traffic, Flight Standaxds, etc.) military installations, and Federal agencies that
may have an interest in the project are notified. d. AGENDA ITEMS. The sponsor Or authorized agent should prepare an agenda prior to the preconstruction conference. A list of typical
discussion items is contained in appendix 2". This list is not all inclusive and items should be added! as necessary. A written report or minutes should be furnished to the contractor.
The report should consist of a summary of the discussions, with the conference agenda and a list of attendees attached. COpies should be made available to each of the participants, upon
request. 􀁾􀁾􀁾􀀮􀁾􀀠LIl0N1\RD E. l!UD. Director1 Office of Airport Standards Par 6 
5/1/85 AC 150/5301l-9A Appendi. 1 APPENDIX 1. AGEN!Jl\ I'ID!S FOR PRIIDESIGN COl/FERENCE 1. DESIGN PHASE. B. Discussion of scope of work and design parameters peculiar to the project"
including items such as design aircraft, 1<>=a1 conditions and materials, use of recycled materials, design options, use of FAA standards, and materials furnished by others. h. Submission
of an engineer% report with the plans and specifications. The report should include: {1} Scope of proposed project. {2} Design alternatives and reason for selected design. tn Pavement
design, including sumroaty on F.AA Form 5100..1. Pavement Design. [4) Drainage design computations. {5} Explain choice of equipment for lighting design. (6) Explanation of deviation
from FAA design standards. (7) Reasons for modifications to construction standards. (8) Description of non-Federally funded work to be included in the contract. (9) Engineer's estimate
of contract cost. (10) 􀁾􀁲􀁯􀁶􀁩􀁳􀁩􀁯􀁮􀁳􀀠included in the plans and specifications to carry out environmental mitigation actions resulting from the environmental coordination process.
2. CONSTRUCTION PHASE. a. rhe sequence of construction phases and any necessary special routing of aircraft considering airline schedules, lead time for clearance of runway, taxiway
I or apron by construction equil?fttent, notification of ,schedule changes, and procedures for emergency handling of 􀁡􀁩􀁲􀁣􀁲􀁡􀁦􀁴􀁾􀀠b. Location of auto parking lot for use of contractor's
employees and access from public road. c. Marking and lighting of construction areas. :i. Location of contractorts stockpiles, construction office, and plant. 
AC 150/5300-9A 5/1/85 Appendix: 1 e. Location of on:site haul roads. f. Designation of on-site waste areas. 􀁧􀁾􀀠Control of air, water, and noise pollution and other environmental =onsiderations
and requirements. h. Access from public road to construction area and construction office and the need for security measures. i. Establishment of minimum distance restrictions for construction
vehicles, equipment, workers and materials with relation to runway, taxiways and navigational aids UiAYAlDS) that remain in operational use. See N,; 150/531O...z:, Operational Safety
on Airports During Construction, current edition. 􀀳􀁾􀀠OPERATIONtu. SAFETY. the provisions of AC 1501531O...z should be discussed and the appropriate provisions incorporated into the
plans and specifications in a section on airport safety. 4. hOtlCE TO AIRMEN 􀁻􀁈􀁏􀁔􀁁􀁍􀁓􀁽􀁾􀀠The party responsible for issuing and maintaining the currency of NorAK's during the
construction period and the point of 􀁩􀁳􀁳􀁵􀁡􀁮􀁣􀁥􀁾􀀠5. Ml\RKING J\Nl) LIGHTING. LIGHTING. a. Threshold displacement. h. Temporary or pennanent runway or taxiway closing, including
marking. C. Installation and maintenance of marking and lighting for threshold displacement or closing of runway and taxtwy. 6. TRAFFIC CONTROL. a. The requirement of a signal person
or vehicular traffic control at point of conflict between aircraft and surface vehicles. h. The marking and/or lighting of construction equipment and 􀁶􀁥􀁨􀁩􀁣􀁬􀁥􀁳􀁾􀀠c. The parking
of construction equipment and vehicles when not engaged in construction, during nonworking days and at night. d. Any required communications between construction or inspection forces
and the Air Traffic Control Tower (ATCT) or the Flight Service Station (155). 
AC 150!5300-9A Appendix 1 7. NAYAIDS. a. The impact of proposed construction on instrument approach procedures and takeoff or landing minimums. rhe need for temporary 􀁈􀁁􀀧􀁁􀁉􀁄􀀧􀁾􀀠and/or
visual aids. See AC 1;;0/5310-2, paragraph 6. b. rhe time sequence of contractor events related to the required temporary shutdown of a NAVAID system, assuring minimum facility shutdown
time. em Identification of huried cables and utilities within the construction area. 8.. SECURITY. Requirements to maintain tempor:ary airport secur:ity, i.e., security control at gates
where contractor personnel and equipment enter the airport. 9.. 􀁅􀁎􀁖􀁾􀁔􀁁􀁌􀀮􀀠Environmental mitigation actions resulting from the environment coordination process. 1O.C1VIL RIGHTS
AND LABOR REQJlREMEN'I'S. Civil rights and labor requirements applicable to the project. 3 (and 4) 
5/1/85 AC lSO/5300-9A Appendix 2 APP&lIDIX 2. AGENDA 1WlS FOR PRECONSTRUCTION CONFERENCE The conference should be scheduled so that items of general interest to all participants are
discussed prior to special inte:cest items. 1. GEN&ru\L IWl'EIU;ST AND SAFETY 􀁉􀁔􀁅􀀮􀁾􀀮􀀠a. The sCQIE of the project and the sequence and timing of all operations. b. Relationship
of the resident engineer to the sponsor With emphasis on the authority of the resident engineer to act in the sponsor's behalf. Advise that the resident engineer has the authority to
suspend operations, wholly or in part, when safety violations or nonconformance to the contract specifications aLe noted. em Relationship between the FAA and the sponsor. d. Identification
of the contractor's superintendent and a discussion of hls/her authority and 􀀮􀁲􀁥􀁳􀁰􀁯􀁮􀁳􀁩􀁢􀁩􀁬􀁩􀁴􀁩􀁥􀁳􀁾􀀠e. Designation of sponsor representative responsible for notifying
the Flight Service Station serving the airport of the proposed start and completion dates of construction or of any circumstances requiring a NOrAH. f. Scheduling of work and the need
to perfonm certain items at various stages of the project! including operational safety problems which mdght arise because of the proposed work. g. Notice to proceed date. h. Safety
during construction, including the responsibility for marking and lighting of closed and hazardous areaS. See AC 150/5370-2 and 150/5370-1, Marking of Paved Areas on Airports, current
edition, for detailed infonnation. i. security requirements. 􀁪􀁾􀀠Discuss the need for continuing vigilance for potential or existing hazards relative to any of the items listed in
appenmK 1. In addition to these items, all responsible parties must be alert to the following hazard-producing situations which may develop during the construction period. (0 Open trenches
and settlement of backfill adjacent to pavement. (2) Pavement "drop offs" or -lips" at pavement tie-in areas. (3) The obliteration, inadvertent relocation or disturbance of the marklrtg
and/or lighting of displaced threshold and marking of closed runways or taxiways. (ll) Damage to existing in-use pavement lighting, marking or NAVAIDS by construction f orees. 
2 AC 150/530<l-9A 51J./85 . .Appendix 2 (5) Spillage from vehicles on active airport pavement. (t) Temporary stockpiling of material for an extended period of time. (7) Contractor vehicular
traffic through restricted cdtical areas of NAVAID facilities and the airport operating area. Us) DU.!;It control and environmental factors, such as burning, waste disposal, etc. (9)
Maintenance of sanitary facilities on the project site. 2. CONSTRUCTION ITEMS. a. rhe general requirements of quality control and testing should be 􀁤􀁩􀁳􀁣􀁵􀁳􀁳􀁥􀁤􀁾􀀠It should be
clearly understood who will do the testing, what is to be tested, when it is to be tested, and the location and number of tests. b. Discussion of Test Reports. Each report should, as
a minimum, contain the following information. (1) Test performed. !21 llpplicable standard. (3) Test location. (4) Test re.ult. (5) Action taken for failing tests. A copy of all test
reports should be furnished to the resident engineer in a timely manner. Failing test results should should be reported to the resident engineer immediately. Explain that F.AA is not
obligated to financially participate in construction that does not meet contract plans and specifications. c. Emohasize the Role of the Resident Engineer. DUties include the follcrring:
(1) Ensure' all required testing is performed. (2) Ensure tests are performed at the frequency stated in the specifications. If not stated in the specifications make sure an adequate
number of tests are taken to document an acceptable level. (3) Review test results for conformance to specifications. (11) Inform the contractor of deficiencies so that corrections can
be made and retests perfoJ:ii,led pdor to covering any substandard work with additional material. (5) Ma:intain record of quantity of materials used on the project. (6) Maintain copies
of test reports on file. 
5/1/85 AJ: 150/5300-9A Appendix 2 (7) Maintain d diary. Contents of a diary should include: (1) Weather conditions and temperature. (11) Work in progress and location. (ili) Equipment
in use -types and nurr.bers. (iv> 􀁓􀁩􀁾􀁥􀀠of work force including supervision. (y} Hours worked per day for contracto.r: and subcontractors. (Vi) Materials 􀁤􀁥􀁬􀁩􀁶􀁥􀁲􀁥􀁤􀁾􀀠(vii]
Any instructions to the contractor. (viii) Principal visitors. un Maintain set of working drawings which can be used to prepare ·a.s-coostructeda drawing. d.. Discussion of periodic
construction report, Construction Progress and Inspection Report (FAA Form 5370-1). e. Change orders, time extensions, periodic cost estimates, and liquidated damages. 3. IABOR RE9UIREMENTS.
tabor requirements including items such as: a. Minimum wage rates. b. Employee classification and payrolls. c. Review of payrolls by 􀁳􀁰􀁯􀁮􀁳􀁯􀁲􀁾􀀠AC 150/5100-6 contains the basic
labor requirements for sponsors and contractors working on AlP projects. 􀀴􀁾􀀠CIVIL RIGHTS REQUIREMENTS. Civil rights requirements including items such as: a. Minority Business Enterprise
program (,KBE). b. &<fda1 EmploY!"'nt Opportunity. c. Certification of Nonsegregated Facilities. AC 150/5100-15 contains the basic civil rights requirements for sponsors and wntractors
worting on AIP projects. 5. ENVlROHHENTAL. a. Compliance with applicable Federal, state, and local air and water quality standards during construction. b. Environmental mitigation actions
resulting from the environmental coordination process. 
Richard Byrd North Pavement Replacement Preliminary Cost Estimate Options Prepared by: Michael A. Hutchison, P.E. Date: February 11, 2005 Richard Byrd South Pavement Replacement • Pavement
Section: Three-inchesHMAC, three inches CTB, eight inches lime stabilized subgrade • Bid amount: $238,000 Richard Byrd North Pavement Replacement • Option 1 o Pavement Section: Eight-Inch HMAC Pavement,
four inches granular base, Tensar BX 1200 Geogrid o Construction estimate: $375,000 • Option 2 o Pavement Section: Six-Inch HMAC Pavement, four inches granular base, Tensar BX 1200 Geogrid
o Construction estimate: $315,000 • Option 3 o Pavement Section: Three-inches HMAC, three inches CTB, eight inches lime stabilized subgrade o Construction estimate: $314,000 Major Factors
Affecting Cost • 10% Contingency included • Pavement area is 25% higher than RB. South project • «Worst case" quantities and unit prices used (no geotechnical report and design yet)
• Options 1 and 2 save time, but not cost • A+B bidding could be used to determine cost savings between options two and three costs for early completion are not included in the estimates
above) 
RICHARD BYRD DRIVE PAVEMENT REPLACEMENT ENGINEER'S ESTIMATE OF PROBABLE CONSTRUCTION COST OPTION 1 8-INCH HMAC PAVEMENT WI TENSAR GEOGRID Unclassified Pavement BX12000r and ccmpact 4"
thick granular -Inlet Protection 100.00 1 100.00 340,954.50 34,095.45 375,000.00 SUBTOTAL: $ Project Contingency (10%) $ GRAND TOTAL: $ PF· 1 of 3HNTB 
RICHARD BYRD DRIVE PAVEMENT REPLACEMENT ENGINEER'S ESTIMATE OF PROBABLE CONSTRUCTION COST OPTION 2 6-INCH HMAC PAVEMENT WI TENSAR GEOGRID SOlid 111 1C::IiIJ<lp -Inlet Protection 1 SUBTOTAL:
$ Project Contingency (10%) $ GRAND TOTAL: $ 227.50 286,498.23 28,649.82 315,000.00 PF-2of3HNTB 
RICHARD BYRD DRIVE PAVEMENT REPLACEMENT ENGINEER'S ESTIMATE OF PROBABLE CONSTRUCTION COST OPTION 3 3-INCH HMAC, 3-INCH CEMENT TREATED BASE, 8-INCH LIME TREATED SUBGRADE -Inlet Protection
1 SUBTOTAL: $ 285,502.36 Project Contingency (10%) $ 28,550.24 GRAND TOTAL: $ 314,000.00 PF· 3 of 3HNTB 
Richard Byrd North Pavement Replacement Preliminary Cost Estimate Options Prepared by: Michael A. Hutchison, P.E. Date: February 11, 2005 Richard Byrd South Pavement Replacement • Pavement
Section: Three-inches HMAC, three inches CTB, eight inches lime stabilized subgrade • Bid amount: $238,000 Richard Byrd North Pavement Replacement • Option 1 o Pavement Section: Eight-Inch
HMAC Pavement, four inches granular base, Tensar BX 1200 Geogrid o Construction estimate: $375,000 • Option 2 o Pavement Section: Six-Inch HMAC Pavement, four inches granular base, Tensar
BX 1200 Geogrid o Construction estimate: $315,000 • Option 3 o Pavement Section: Three-inches HMAC, three inches CTB, eight inches lime stabilized subgrade o Construction estimate: $314,000
Major Factors Affecting Cost • 10% Contingency included • Pavement area is 25% higher than RB. South project • "Worst case" quantities and unit prices used (no geotechnical report and
design yet) • Options 1 and 2 save time, but not cost • A+B bidding could be used to determine cost savings between options two and three (bonus costs for early completion are not included
in the estimates above) 
RICHARD BYRD DRIVE PAVEMENT REPLACEMENT ENGINEER'S ESTIMATE OF PROBABLE CONSTRUCTION COST OPTION 1 8--INCH HMAC PAVEMENTWITENSAR GEOGRID 01 Traffic • Inlet Protection 227.50 SUBTOTAL:
$ 340,954.50 Project Contingency (1 0%) $ 34,095.45 GRAND TOTAL: $ 375,000.00 PF-10f3HNTB 
RICHARD BYRD DRIVE PAVEMENT REPLACEMENT ENGINEER'S ESTIMATE OF PROBABLE CONSTRUCTION COST OPTION 2 6-INCH HMAC PAVEMENT WI TENSAR GEOGRID 111 IAIJI/<lP -Inlet Protection 100.00 1 17
100.00 SUBTOTAL: $ Project Contingency (10%) $ GRAND TOTAL: $ 286,498.23 28,649.82 315,000.00 PF-2013HNTB 
RICHARD BYRD DRIVE PAVEMENT REPLACEMENT ENGINEER'S ESTIMATE OF PROBABLE CONSTRUCTION COST OPTION 3 3-INCH HMAC, 3-INCH CEMENT TREATED BASE, 8-INCH LIME TREATED SUBGRADE Pavement 112
-Inlet Protection SUBTOTAL: $ 285,502,36 Project Contingency (10%) $ 28,550,24 GRAND TOTAL: $ 314,000.00 PF-3013HNTB 
HNTB )]0 West Plano I , {972J6lli626T"-_-I JlteZOO 􀀱􀀧􀁻􀀹􀀷􀁚􀁾􀀠ano. Texas 75093 HNTB Job #Letter of MNTBTransmittal VIA Date: February 11, 2005 To: Mr. Jim Pierce, Jr.• P.R Regarding:
Richard Byrd "North" pavement replacement 16801 Westgorve Drive Addison, Texas 75001 We are forwarding to you: X Estimates Plans Reports Shop Drawing! Change Order Disk Book Other #
of Copies Drawing # Last Dated Code Descript' • -----I These are transmitted: For approval As requested Copies for distribution X For your use Resubmit For Review & comment Return Copies
for review No exception taken Corrected prints Submit Amend and resubmit Make corrections noted Please note: By: Michael A. Hutchison, P.E. Copy to: Project File 
-t-.• 􀀭􀁾􀀠',.·i.sfl·,'3 􀁾􀁾􀀮􀁾􀁴􀁌􀀭􀁾􀀢􀀢􀀢􀀧􀁾􀁾􀀠􀀡􀀺􀁾. .􀀱􀁢􀀭􀀭􀁲􀁾􀁾􀁾􀁫􀁾􀀠:,' 􀁾􀁫􀁾􀁾􀀬􀀻􀁦􀁾􀁦􀁤􀀮􀁤􀀭􀀭􀀢􀀷􀁾􀀠. ! ,,' . 􀀩􀁾􀀮􀀯􀁾􀀧􀀭􀀭􀁾fn 􀁾􀀠. . ' . . ,;l?f .. fct
... _ 􀀮􀁰􀁾􀀠􀀭􀁓􀀭􀁾􀀠. 􀁡􀀮􀁾􀁾􀁾􀀠􀁾􀀠 ..:: 􀁾􀁖􀀧􀁾..􀁾􀀮􀀠􀁾..􀁾􀀮􀀠 ;j .d· ......... 􀁾k 􀁤􀁈􀀴􀀧􀀧􀀧􀀴􀀧􀀧􀀧􀁾􀀠􀀴􀀭􀁾􀀠.. 􀁩􀂷􀂷􀁆􀁾􀁾􀂷􀀠.,: .._.__􀀮􀁟􀁪􀁟􀀧􀁌􀀮􀀢􀁬􀀭􀀮􀁾__.__
:.. P 'it ReMOVE ntIS fA1eA-,,0' irs 􀁾􀁾􀁩􀁙􀀠, rJo-􀂥􀁊􀁲􀁾􀁾􀁾􀀪􀀭􀁾-TI-c. 􀁦􀁾􀀠􀁾􀁾􀁾􀁾􀀮A"ff,J.,-r'h.Jl1 '. 􀁾􀁾􀁗􀀭􀀮􀁊􀁲􀁢􀁌􀀭􀁾􀀬􀀠
ROADWAY QUANTITIES «PROJECT NAME» «PROJECT LIMITS» Complete in Place, for the Sum of 1__________________________'JVlla'5and 1____________________ Cents per unit IComplete in Place, for
the Sum of ___________________,Oollars and i______________Cents per 􀁵􀁮􀁾􀀠IComplletein Place, for the Sum of I_________________________􀀧􀀩􀁯􀁮􀀺􀀮􀁾􀁡􀁮􀁤􀀠i_______________ Cents
per unit ICc'mplete in Place, for the Sum of 1_________________L,v,,<..􀁾􀁡􀁮􀁤􀀠1_____________ Cents per unit IComp:lete in Place, for the Sum of I________________􀁾􀀬􀁶􀀢􀀬􀀬􀀬􀁾􀁡􀁮􀁤􀀠1__________
___ Cents per unit ICompl'ete in Place, for the Sum of I________________________,'u"'.'.and I_________-,..______ Cents per unit ______􀁾􀁾􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀧􀁲􀁯􀁬􀁬􀀬􀀢􀀮􀁡􀁮􀁤􀀠I___-:.f-__
__.,..,.._____Cenls per unit PF·5 of2· Roadway 
ROADWAY QUANTITIES «PROJECT NAME» «PROJECT LIMITS» I__-:;;>-"____-""':;:__Cents per unit IComolete in Place, for the Sum of I______________􀀬􀁾􀁶􀀢􀀬􀁯􀀬􀁯􀁡􀁮􀁤􀀠1____________Cents
per unit IComplete in Place, for the Sum of 1_____________,JV"."and 1____________Cents per unit Complete in Place, for the Sum of 1_______________,JV"o,oand 1_____________Cents per unit
TOTAL AMOUNT BID FOR MATERIALS AND SERVICES, SCHEDULE I, ITEMS 101 THROUGH 155, $ PF-6 of 2 -Roadway 
III 􀁾􀀠 0 0 + L!) ..􀁾􀀠 􀁾􀀠\\, ") 􀁾􀁾􀀠0 0 "'-'6 + 􀁾􀀠0 ..1 · I I 1 1 \, 1 ' 1 􀁾􀀨􀀧􀁉􀀠 􀁾􀀡􀀲􀀠 􀁾􀀠 􀁾􀀠1 -I• « -I I , 1 >-+<t 5: x , <t H, 1 · 1 , 1 I I I r 􀁾􀀠 .... II ::i1
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SHotl.L 8( frfSTAlU:O -lI-PeR 􀁁􀁃􀁾􀀯􀀧􀀮􀁓􀀷􀁄􀂷􀁋􀀮􀀠"'GRASS AREACONTRACTOR ,0 􀁾􀁔􀂣M(I I\'£RlF'y WlTK OAvt FOSfat, OPEflATJOt.I 􀁾MAlNl'OUiNC£ IUIIoII(;(R WITH tIC AI)Qf$(IN AlRPQrfT
fOR LOC"-TJON 3. OF' PAvtU(WT M:WOvAl.. (lOST//"""' ASPHAI., r 􀁾􀀠 ,/PvJ,iT CRASS AREA ____ 􀁾􀁾􀀠Ska:> 􀀧􀀳􀁾􀀠􀁾􀁾􀀠􀀢􀀰􀀰􀀴􀀲􀀵􀁾􀀠Cl_ 􀁅􀁾􀁔􀀠/" ,-ASPHAlT...,./"' /"VI,n 3= "'I􀁕􀀮􀀻􀀱􀀺􀀴􀁾􀀺􀁏
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SU SP£CII'ICATIONS fOR DETAILS AND LOCATIONS I TAXIWAY (XIST -"'" .r-ASPHALT? PVMT 'A' ell FOR INTERIM REVIEW ONLY I.W JEIfrIIF£R S. 􀁎􀁬􀁣􀁴􀁾􀁾􀁴􀀮􀀮􀀠111114) CliECk XIIl< TOWN OF
ADDISON ICII I'(I!I: t(l$eYIlUC1ION. 811Xl11«!. 011 "<MIl!""""'. .... .u DEtlC XlIX GATt 􀁾29ItS "'" EXIST /􀁾􀁁􀁓􀀿􀁈􀁁􀁬􀁔􀀠,. ?VMT 1. CONTR.ocTOR SHALL COOR.!lJ!!blt-'f..J( CLOSURE
OF TAXILoIM: J.>i WITH 1"1 AIRPORT PERSONNEL A MNUUM 􀁾􀀠Of 72 HOURS PRIOR TO CLOSURE. BARRlCIilES SHALL BE INSTALL£O PER .oc150/5370·2£. u o 20 40 60 so SCALE IN EEi CRASS AREA ""'--------1
􀁔􀁏􀁾􀁎􀀠OF AQOISON. ,EXAS ...ITECHPRomSheetslftpv30-sc.dgn 01/051200501:24:49 PM 
10-00 .1-. EXIST 􀁾􀀠./"ASPHAt T ,. PVMT 11-00 12-00 . -+. TAXIWAY 'A' SAFETYAREA :::;» EXIST " .r-'ASPHAl T'-/'JII' PVMT REVISliH GRASS AREA o EXIST " 􀁾􀁾􀁁􀀧􀁓􀁐􀁈􀁁􀁬T../' ,. PVMT
13·00 14-00 . +-. 􀀭􀀽􀁾􀁾􀀺􀀭􀀷􀀠SEE SPtClf'lCATIONS rOR DETAI\.S AND LOCATIONS TAXIWAY 'A' ell FOR INTERIM REVIEW ONLY sr .lENN!'l" S. 􀁎􀁬􀁴􀂣􀁶􀁾􀁛􀀮􀀮􀀠878') TOWN OF ADDISON p(!t
FOIl: t0l(!1l'11.lCtlOtj, BIOO1/iO. 01'1 PERlIn '''''''''' PROPOSEO "'POOT WIDE PCCP RO<ID EXIST 􀁾􀀠.r-ASPHAl T JII' PVMl 1. CONTRACTOR SHALL COOROlNAT[ () 􀁾􀀠CLOSURE or TAXII..NIE
""T'" 􀁾,-...... NRPORT PERSONNEl.. J. 􀁦􀀮􀁁􀁎􀁴􀀬􀀻􀁾􀀠Of' 72 HOURS PRfOR TO CLOSURE. BNilRIC.6DES SHALL 8E INSTALLED flER ACtSO/5J70¥2E. .EXIST 􀁾􀀠.,...-ASPHAl T P PVMT --EXIST .../"...r-ASPHALT
JII" PVMT u o 20 '0 £0 eo------SCALi IN FEET GRASS AREA GRASS AREA 18-00 1-___􀀮􀀮􀀮􀀻􀁔􀀺􀀻􀀮􀀬􀀺􀁏􀀻􀁗􀀻􀀻􀀮􀂷􀀺􀀬􀀻􀁎􀀽􀁏􀁾􀁆􀀬􀀮􀀬􀀬􀀺􀀬􀁁􀀻􀀻􀀻􀀡􀀩􀀬􀀮􀀡􀀩􀀬􀀬􀀺􀁩􀀻􀀻􀀻􀀻􀁓􀁏􀀢􀀧􀁎􀀻􀀮􀀻􀀮􀀮􀀭�
�􀀭􀁟􀁉􀀠SHEET FUEL TRUCK D£LfVERY ROAD ...\TECHPROD\Sheets\ftpv3lJ-sc.dgn 01/071200502:10:24 PM 
, 01 20 '0 60 80 : SCAlE IN fEET􀁾􀀠! U I ( (\ ) -... EXIS:i PVMT GRASS AREA PROPOSED 12-F'00T WIDE PCCP ROAD 􀁾􀀠􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭11+00 12+009+00
10+00 f 􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀫􀀭􀀭􀀮􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀮􀀭􀀭􀀭􀀭􀀭􀀭􀀭-----t ----.------------------1-------.-----. -. -. ---SEE SPECIFICATIONS FOR DET AILS AND LOCATIONS
c:::::iiiiiII........................................................................................... YASPHALT " ...J oTAXIW61 'A'SAFETY 􀁾􀁵􀀠o 􀁾􀀠+0>rt')8:« -s: «0·x l0)« (/)1.Clt_
.1.1.1_--.------. -<----" ------------. -. ---------------------------. ----,-•--􀁾􀀭• -------------1--------------------._--------Z􀁾􀁌􀁕􀁾􀀠􀁾􀀠...J J: U 􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭�
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PM 
-------------------07-JUL-2004 12,59 G, \39959\Cod\Sheets\ftdt05. dgn -%' JO I NT W/HOT POURED NOT TO SCALESAWCI1T FULL-DEPTH u RUBBER JOINT SEALING AT EXISTING JOINTCOMPOUND (rYP) ,
"6 BARS 20' LONGEXISTING JOINT ON 15' CENTERS. EXPANSION JOINTPROPOSED-IO' THICK, 4500 PSI. SLEEVE THIS END SEE DETAI L ICLASS P2 REINF CONCRETE OF 􀁂􀁁􀁒􀁓􀀮􀀭􀀭􀁾SAWCI1T I' BEYOND
PAVEMENT FOR REPAIR DRI LL ANDTYPESA.B.&D. DUMMY JOINTS AT' EPOXY BARS12' THICK. HIGH EARLY STRENGTH 20' MAX. SPACING. (CLASS 'M') FOR REPAIR TYPE C. SEE DETAIL 2 SEE NOTE 2. " ". •
. . ..' ' 18' C-C SLAB FOR REPAIR TYPES A.B.& D 8' MIN 􀁾􀀵􀀠􀁂􀁁􀁒􀁓􀀬􀁾􀀠18' C-C 6 ITYP) FOR REPAIR TYPE CEXISTING 6' SCARIFY 6' DEPTH AND RECOMPACT CONCRETE' PAVEMENT TO 957. STANDARD
PROCTOR DENSITY.􀁾􀀶􀀠BARS 20' LONG SUBSIDIARY TO 10' REINFORCEDON IS' CENTERS CONCRETE PAY ITEM. NOTES, I. REPAIR AREAS SHALL BE LEVELLED TO MATCH EXISTING GRADE OF 'ADJACENT CONCRETE
PAVEMENT. IF ADDITIONAL FILL MATERIAL IS NEEDED. FLEXIBLE BASE MEETING THE REQUIREMENTS QF NCTCOG STANDARD SPECIFICATIONS 301.S SHALL BE USED. ADDITIOANL FILL MATERIAL IS SUBSIDIARY
TO BID ITEMS. 2. CLASS 'M' CONCRETE FOR REPAIR AREA, TYPE 'C' SHALL MEET ALL QF THE REQUIREMENTS OF CLASS 'P2' 'CONCRETE. PLUS ACHIEVE A COMPRESSIVE STRENGTH OF 3600 PSI WITHIN 24 HOURS.
􀁉􀀽􀁉􀁾••􀀺􀀺􀀺􀁉􀁾􀀭􀀽􀀭􀁾􀀠ADDISON AIRPORT ,.. FUEL TRUCK DELIVERY ROAD TYPICAL SECTION 1A CONCRETE PAVEMENT REPLACEMENT ADJACENT TO CONCRETE : : ': 􀁾􀀺􀀠'.: ., <.;.> :; 
a:: -l : ....... f-LJ 0 -l ....... f-i LI ! l 1. CONTRACTOR SHAlL COOROINATE CLOSURE OF' rAXlLANE: 'T' WITH NRPQRT PERSONNEL A t.tNt.lUM OF 72 HOURS PRIOR TO CLOSURE. a_ICAOES SHALL
aE JNST....LEO PER 􀁁􀁃􀀱􀀵􀁑􀀯􀀵􀀳􀀷􀀰􀁾􀀲􀁅􀀮􀀠2. REPAIR ARC:AS 'C1 ANO 'C2' SHALL 8E 􀁃􀁏􀁾􀁐􀁴􀀮􀁅􀁔􀁅􀁏􀀠WITHIN .3 C.aLENOAA DAYS fROM THE TIME OF CLOSURE. NIGHTWom< IS PERNITTED
FOR THESE AREAS ONi. Y" AND SHALL o 20 60 SCALE I N fEET -80 r·C-· . --l --f. . -.+-i I GRASS AREA 17 -00 \./"\ 18.:..00 19 --\,7'-' -\ 7'-\ /-\--;X; ---\.:/-1\ 􀀮􀀯􀀭􀁜􀂷􀁲􀁾􀁜􀀠--BE
COORDINATED WITH THE TOWN OF AOIlISON 12 HOURS PRIOIl. GRASS AREA EXIST ..../' 􀀮􀁾􀁁􀁓􀁐􀁈􀁁􀁌􀁔􀀠fl PVMT EXIST 􀁾􀀠...........-ASPHAl T .P' PVMT CRASS ,IlR£A \z' r PROPOSEO "-FOOT
11110£ pcep ReI£) 10 00 11-00 12-00 13-00 14-00 15-00 ---to .-= ....... ........ ..J TAXIWAY 'A'SAFETY AREA::::>' 􀁾􀀠:li U 􀁓􀁎􀁅􀁔􀁾􀁍􀁒􀁉􀁃􀀺􀀷􀀠EXIST ., "''----------1 0>.......-ASPHAlr...-/"'SEE
5PI:ClfICATIOIIS FOR , PVMTf::<• 3: EXIST ,... OET"'L5 »<0 LOCl<TIONS0.....-A$PHAl 􀁔􀁾􀀧􀁯􀁯􀁩􀁾􀀠,. PVMT .n ... TAXIWAY 'A' C/lL.... __ • __ _ CD'N.V(J:5 t4 Lot{ 􀁜􀁾􀁬􀁬􀁜􀀠􀁜􀁢􀁾􀀠u
! :s: i....... f-i 􀁾􀀮􀀠NO. OAfE SHEET--. !FOR INTERIM REVIEW ONLY • II'rI' ,c'"lYER 5. 􀁦􀁩􀁬􀁴􀁅􀁖􀁾􀁲􀀧􀀠e1J.t3 orSIGH :!IlQI I ' •• C""CIt iII:IX it TOWN OF ADDISON t:uEl.. TRUCK
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600 Fuel Truck Road Approx length DESCRIPTION QTY UNIT UNIT PRICE AMOUNT of Project Construction Mobilization 1 LS $ 5,000.00 $ 5,000.00 Remove Existing Pvmt 800 SY $ 12.00 $ 9,600.00
Unclassified Excavation 20 CY $ 6.00 $ 120.00 10" thick 5000 PSI Cone. Pvmt. 800 SY $ 55.00 $ 44,000.00 Block Sod 100 SF $ 1.00 $ 100.00 SubTotal $ 58,820.00 Designllnspection Assume
10% of construction $ 5,882.00 Boring $ $ 2,500.00 2,500.00 Testing ECS SubTotal $ $ 3,000.00 3,000.00 Total $ 70,202.00 
Fuel Truck Road Approx length of DESCRIPTION QTY UNIT UNIT PRICE AMOUNT Project Construction Mobilization 1 LS $ 5,000.00 $ 5,000.00 487.5 Remove Existing Pvmt 650 SY $ 12.00 $ 7,800.00
Unclassified Excavation 20 CY $ 6.00 $ 120.00 10" thick 5000 PSI Conc. Pvmt. 650 SY $ 55.00 $ 35,750.00 Block Sod 100 SF $ 1.00 $ 100.00 SubTotal $ 48,770.00 DesignJlnspection Assume
10% of construction $ 4,877.00 Boring $ $ 2,500.00 2,500.00 Testing ECS SubTotal $ $ 3,000.00 3,000.00 Total $ 59,147.00 
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TOWN OF ADDISON CONSTRUCTION SPECIFICATIONS AND CONTRACT DOCUMENTS PAVING REPAIR FOR THE FUEL TRUCK ROADWAY ADDISON AIRPORT Town of Addison 16801 Westgrove Addison Texas 75001 February
2005 
INO; TO SCA::" EXISTING PIPE INLET AND HEADWALL /'" ....---GRADE AREA '" TO DRAIN/PAVEMENT FAILURE AREA \ .,':; , " q 4 •,jq z 􀁾􀀠, ,_ WATER PIPE. 00 􀁾LFUELd'"'rRUCK" , .DEt<lVE8Y
􀀧􀁒􀁏􀁾􀁁􀁄􀀮􀀠􀀭􀁾􀀭􀀭􀀭􀁾􀁾􀀭􀀭􀀭􀀭􀁾􀀷􀀠􀁾􀀭--------------------I-Q -" , .', • 􀁾􀀠.",£EXISTING STORMq 􀁾􀀮􀀺􀀮􀀮􀀠q ,: __ 􀁾􀁟􀀬􀀮􀀬􀀺􀀬􀁟􀀠... ,: _::. NOT DISTURB, q ,',-􀁾􀀠--􀀭􀁾􀁲􀀠-----•
• d . ' REMOVE GRATE .. ".. • d", INLET. REBUILD , BOX STRUCTURE. 4 d " q q CONNECT NEW PIPE ,q, ,I TO EXISTING BOX. EJ 􀁾􀀠.0... ;;I .. 0 ' -----􀀭􀀭􀀭􀀭􀁉􀀭􀀭􀀭􀁾􀀭􀀮􀀭􀀭􀁾􀀠til q
• 'I .' 4(!it' '-'" q .:; . .:; .:; //EJ AREA mI-" INSTALL IS" RCP (CLASS II])GRADE AND GRATE INLET. PERTO DRAIN GRATE INLET DETAILNOTES 1. CONTRACTOR WILL SOD DISTURBED 􀁾􀀠AREA. THE
SOD WILL NOT BE A SEPARATE PAY ITEM. LEGEND2. REMOVED PAVEMENT SHALL BE DISPOSED OF BY CONTRACTOR. SUBSIDIARY TO OTHER I IPAVEMENT REMOVAL AREAITEMS, 3. REMOVED PAVEMENT WILL BE REPLACED
I;" "I EXISTING FUEL TRUCKWITH CDNCRETE PAVEMENT AS SHOWN IN 'q 4 " CONCRETE PAVEMENTTYPICAL SECTION lB. 􀁾􀀠EXSISTING JOINT ADDISON AIRPORT FUEL TRUCK DELIVERY ROAD REPAIR AREA TYPE
'A' 􀀢􀀬􀁜􀁃􀁡􀁤􀁜􀁅􀀩􀀨􀁨􀁩􀁢􀀻􀀻􀀭􀁩􀁴􀁳􀁾􀁜􀁆􀀻􀀻􀀺􀁵􀁾􀁥􀀭􀀻􀀻􀀺􀁉􀁒􀀺􀀻􀀭􀀺􀁯􀁾􀁵􀀭􀀻􀀭􀁴􀁥􀀭􀀺􀀭􀀱􀀭􀀻􀀬􀁤􀀺􀀭􀁧􀁮􀀭􀀭􀀭􀀺􀀱􀀧􀀻􀀺􀀲􀀱􀀻􀀻􀀻􀀲􀀧􀀻􀀺􀁓􀀯􀀻􀀻􀀻􀀲􀀢􀀻􀀻􀀺􀁏􀁏􀀻􀀻􀀭􀀺􀀴􀀺􀀭􀀱􀀻􀀭�
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----• • • • • • • • • • • • • • • • • • 4' MIN SAWCUT 4' BEYOND 􀁾􀀠EXISTING JOINT 􀁾􀀠􀁾􀁾􀀢􀀢􀀢􀀧􀀢I \l 􀁊􀁊􀀷􀁾􀁆􀁁􀁉􀁌􀁕􀁒􀁅􀀠AREA ' ..•.. '. 'S' • ,I " . ',<J . " ", o(j •. 4 <1
.. '0:14 i• :· . • 􀁾􀀠'.';: . ',<I • ',4 .4 . 0\1 ' ... ' ..... '. PUELTRl:lCK ' • iE • • • ·, . • , , , . '. , C 􀁾􀀮􀀠, REMOVAL ,dELiVERYROA7<'; • ", <I • , .. .. ;'I AREA '. . q
•• <I <I • .. . • S . • • • • 1 .. :. '."'" . ',4 . " <I' • " <1.• <1 " <I " 4 '. <t ' <I <I jq ,. " NOTES 1. CONTRACTOR WILL AREA. THE SOD WILL PAY ITEM. 2. REMOVED PAVEMENT OF BY CONTRACTOR.
ITEMS. 3. REMOVED PAvEMENT EJ SOO OISTURBED NOT BE A SEPARATE SHALL BE DISPOSED SUBSIDIARY TO OTHER WILL BE REPLACED WITH CONCRETE PAVEMENT AS SHOWN IN TYPICAL SECTION lA, r EJ LEGEND
'--_--'I PAVEMENT REMOVAL AREA I'-",,-:' 'I EX lSTING FUEL TRUCK , '.' , ", CONCRE TE PAVEMENT 􀁾􀀠EXSIST[NG JOINT NOT TO SCALE SAWCUT FULL-DEPTH AT EXISTING JOINT " < .< • .. • .. '
'.' ' .. .. • • < • ' .. '. < • EJ ADDISON AIRPOR FUEL TRUCK DELIVERY ROAD REPAIR AREA TYPE '8' '"'"ICadlExhibilslFuelRoute2,dgl1 12/2812004 11 :12:01 AM 
• • TAXIWAY FILLET AREAS SHALL BE 12" ( ASPHAL T PVMT.) IN DEPTH AND DOWELED INTO ADJACENT CONCRETE ULL '. <1 •<. ',4· . < . < .." ·r .' < .• • < REMOVAL'jq. '. < . ",' <1. . I . 4 q
. ' .. AREA q q • < < • NOTES I, CONTRACTOR WILL AREA. THE SOD WILL PAY ITEM. 2. REMOVED PAVEMENT OF BY CONTRACTOR. ITEMS. 3. REMOVEO PAVEMENT WITH CONCRETE PAVEMENT AS SHOWN IN TYPICAL
SECTION lAo EX ISTI NG HMAC SOD OISTURBED NOT BE A SEPARATE SHALL BE DISPOSED SUBSIDIARY TO OTHER WILL BE REPLACED TAXIwAY (ASPHALT PVMT. ) LEGEND '--_--II PAvEMENT REMOVAL AREA I: 'IEXIST
ING FuEL TRUCK • .•.< ••• CONCRETE PAVEMENT EXISTING JOINT NOT TO SCALE DEPTH SAw CUT ..' .< /< < • . FUEL TRUCK. 'OEL1.VERY ROAO .. . .. .. • EXISTING CONC. PAVEMENT OEPTH SAw CUT ADDISON
AIRPORT FUEL TRUCK DELIVERY ROAD REPAIR AREA TYPE 'C' ...ICad\ExhibitsIFueIRoute3.d9n 12/2812004 11 :12:21 AM 
SAWCUT 4' BEYOND EXISTING JOINT 4'1_ -.... -----........ -i 8' MIN L tTYP) 6' EXISTING 6' EXISTING JOINT PROPOSED 10' THICK, 5000 PSI REINF CONCRETE PAVEMENT q • <I ' 4 . *4 BARS C 18'
C-C CENTERED IN SLAB DOWEL BAR 20' LONG ON 15' CENTERS, PAINT AND OIL ONE '.4 LONG ON 15' CENTERS. PAINT AND OIL ONE END OF DOWEL. DRILL AND EPOXY DOWEL " <l ' .4 .4 4 􀀬􀁾􀀮􀁾􀀠:."
-I e '''<'1/'-.-6',0.2< 􀀼􀀾􀁾􀀠J S' MIN 6' (TYP) SCARIFY 6' DEPTH AND RECOMPACT INO T TO SCALE " JOINT WI HOT POURED RUBBER JOINT SEALING COMPOUND (TYP) SAWCUT FULL-DEPTH AT EXISTINQ
JOINTI" DOWEL BAR 20' BARS MIN CONCRETE PAVEMENT END OF DOWEL. CONCRETE TO q5% STANDARD PROCTOR DENSITY. SUBSIDIARY TO 10' REINFORCED PAY ITEM. ADDISON AIRPORT FUEL TRUCK DELIVERY ROAD
TYPICAL SECTION lA CONCRETE PAVEMENT REPLACEMENT ADJACENT TO CONCRETE 􀀮􀁾􀀠􀁾.. 􀁾􀀭􀀭􀀺􀀭􀀺􀀭􀀻􀀭􀀭􀀭􀀻􀀺􀀺􀀽􀀽􀀭􀀻􀀭􀀻􀀭􀀺􀁾􀀭􀀭􀀺􀀺􀀺􀀻􀀭􀀻􀀭􀀺􀀭􀀻􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭
􀀭􀀭􀀭􀀭􀀭􀀭􀀧􀀠.. \Cad\Exhibits\FueIRoule4.dgn 1212SI200411:12:40AM 
__ ------------INOT TO SCALE EXISTINQ MANHOLE AND GRATE"" JOINT W/HOT POURED TO BE REMOVEDSAWCUT AT RUBBER JOINT SEALING SAWCUT ATEXISTING JOINT COMPOUND (TYP) EXISTING JOINT PROPOSEO
10' REINF. LOND ON 15" CENTERS. 1" DOWEL BAR 20' LONG ON 15' CENTERS, /\ I I I TO q5% STANOARO PROCTOR OENSlTY, I \ EXISTING a' CONCRETE PAVEMENT 8' MIN La' <TYP) DOWEL BAR 20" CONCRETE
PAVEMENT -4 BARS 􀁾􀀠IS' C-C CENTERED IN SLAB PAINT ANO OIL ONE END OF DOWEL. DRILL AND EPOXY DOWEL BARS " (J :L....:....:_<1...:._-:.. "':-<1_:_-':' __􀁾􀁾􀀮􀁟􀀢_-_04_.'_:_-_1. q ..
.< -5 DOWEL BARS . , 􀁾􀀠/. .J 8' MIN 12' LONG I I I I i. ,':4 .(I:14i ... !.. ,'. :. j Co 6-(TYP) ..... _______ 􀁮􀁟􀁾􀀠2' TypJ : I􀁾􀁾􀀠􀁩􀀽􀀭􀁾􀁃􀁾􀀡􀀺􀀡􀁌􀁆􀀮􀀡􀁟􀀶􀀺􀁟􀁑􀁧􀀧􀁊􀀡􀀺􀁌􀁁􀀮􀀡􀀺􀁉􀀡�
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\ I I I I \ I \ I I I IV-EXISTING MANHOLE \ I ., I I I " I TO BE REMOVEO \ { I I \ EXISTING STORM V I I \ f J I IWATER PIPE, I I I I DO NOT DISTURB, \ : : : I /􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁬􀀠􀁌􀁟􀁾L______
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= Courier New Fancy 2 • Gammon<! Eng i neer i ng 3 = Monotext Inti Working = RomanC Jjlt0::/{13 ...\General\dgn\ColorTbIWt.dgn 02/181200503:34:57 PM 
32 􀁾􀀸􀀱􀀱􀀠􀀶􀁾􀀠80 96 11 2 128 1 􀁾􀀠􀁾􀀠Th i s f i I e can be used as a test f i Ie to check mapping of COIOiS. Line160 weights and Fonts to Acad Oi MicioStatio 176 To iemap MicioStation
COIOiS192 to Acad use the DGNtoAcadColoi.CSV 208 To iemap MicioStation Line Weights 􀀲􀀲􀁾􀀠to 􀁒􀀱􀁾􀀠COIOiS use 􀁄􀁇􀁎􀁴􀁯􀁒􀀱􀁾􀁌􀁩􀁮􀁥􀁗􀁴􀀮􀁣􀁳􀁶􀀠􀀲􀁾􀀰􀀠To iemap MicioStation
Text to Tiue TypeOi othei Text use Font.csv Line weight Font 012 􀀳􀁾􀀵􀀶􀀷􀀸􀀹􀀱􀀰􀀱􀀱􀀱􀀲􀀱􀀳􀀠1 5 Standard 0 = Courier New , Fancy 2 = Garamond ,::0:.( .. " Eng i neei i ng 3 =Monotext
,. 􀀺􀁾􀀺􀀠-. ::: 􀀻􀀮􀀺􀁾􀀠Inti WOik ing -RomanC 􀀻􀁾􀁾􀀠.-,-􀀬􀁾􀁾􀀠",lGeneralldgnlColorTblWtdgn 01/04/200502:33:13 PM 
32 Ll8 6L1 80 96 11 2 128 1L1L1 This fi Ie can be used as a test fi Ie to check mapping of colors. Line160 weights and Fonts to Acad or MicroStati176 To remap MicroStation Colors192
to Acad use the DGNtoAcadColor.csv 208 To remap MicroStation Line Weights22L1 to R1L1 Colors use DGNtoR14LineWt.csv 2L10 To remap MicroStation Text to True Type or other Text use Font.csv
Line weight Font 0123L15678910111213 15 Standard 0 = Courier New Fancy 2 = Garamond Eng i neer i ng 3 = Monotext Inti Working -RomanC ...\General\dgn\ColorTbIWt.dgn 0110412005 02:33:07
PM 
Ma::l.03 06 09,16a adlllin 972-709-7385 p.2 MAS-TEK Engineering &: Associates, Inc.April 28, 2005 Proposal4..o3·C Ms. Jennifer Niccwlmdcr. P.E. Project Manager 16801 West Grove Dr. P.O.
Box 9010 Addison, 􀁔􀁥􀁸􀁡􀁾􀀠75001-901 0 R.:: Material Testing Airport V"hic\" Access Road Addison Airport 􀁁􀁤􀁤􀁩􀁾􀀨􀁬􀁮􀀬􀀠􀁔􀁾􀁸􀁡􀀮􀁾􀀠Dear Ms. Niccwandcr: Mas·Ttlk Engineering
&; Associares, INC. (MTE) is honored to suhmit this proposal for Ms. Jennifer Nicewander with The Town ofAddison. MTE is cel'titied with MSHTO in which satisfies ASTM E329. We are confident
in our ability to assist you in the near future. Our capabilities are met at very hiQ,h standards. MT£ has performed s..'rviccs with the Addison Airport 􀁷􀁨􀁩􀁣􀁾􀀠demonstrates our
familiarity with the specifications and expectation. MTE appreciate the opportunity to submit this cost propesal. We look Ibrward 1(1 providing very hiQ,h quality construction marerials
tesUn!J: sl:!rvices 10 The Town of Addison. If you have any 􀁦􀁵􀁲􀁴􀁨􀁾􀁲􀀠question or comments, Please do not hesitate to contaci me@(972) 709-7384. Ple<1..-«: sign below 􀁾we will
acocpl nOlioc IQ proceed. Sincerely, 􀁍􀁡􀀤􀁟􀁲􀁥􀁫􀁾􀀧" g & ASRocia/eS. Inc.gi 􀀮􀀧􀀯􀀠/4 􀁾./" P··, v'/z::.----S Ii: 11 0 las-Mason President ... Attachment: Schedule of Fees Geotechnical
Consulting &: Materials Testing 3228 Halifax. Suit.. B a.llas, Texas 75247 972 􀀷􀀰􀀹􀀭􀀷􀀳􀀹􀁾􀀠
􀁈􀁡􀁾􀀠03 05 09:15a admin 972-709-7385 p.3 SCHEDULE OF FEES FOR. . CONSTRUCTION MATERIALS ENGINEERING & TESTING A. ASPHALT PAVING TESTING & INSPECTION • 􀁁􀀮􀁰􀁨􀁡􀁾􀀠Extraction & 􀁇􀁲􀁾􀁤􀁡􀁴􀁩􀁯􀁮
􀀨􀀱􀀠per SOOTon. per day) 2 @$145.00 each $290.00 • lab Molded Densities (3 per set) 2 @$35.00 each $70.00 • Maximum Theoretical Specific Gravities 2 @S80.00 each $160.00 • Stability
Tests ( 3 per set) 2 @$80.00 each $160.00 • Asphalt Core Thickness Measurements (6" dia. 3 per set) 2 @$65.00 each $130.00 • Asphalt core densities .6 @525.00 each $150.00 • Certified
Asphalt Field Technician 16 @S47.50 hour $760.00 • Project Manager 2 @$75.00 hour $150.00 • Vehicle Charge 2 @$25.00 trip 550.00 Sub-Total $1,920.00 B. Flex. Base Testing • Moisture-Density
Relationship 1 @$145.00 each $145.00 • Atterberg timints 1 @$45.00 each $45.00 • Field Density Testing (ASTM 0-2922) 6 @$15.00 each $90.00 • Senior Engineering Technician 8 @$35.00 hour
$280.00 • Vehicle Charge 2 @$25.00 each $50.00 Sub·Total $610.00 C. COncl'(!ta Testing and Inspection• Concrete Cylinder Test (3 cyls per 100CY per day) 15 @$15.00 each $225.00 • Review of concrete mix design (if needed) 1 @$75.00 each $75.00 • 􀁁􀁧􀁧􀁲􀁡􀀹􀁾􀁴􀁥􀀠Gradation Test (if
needed) 0 @$45.00 each $0.00 • Senior Engineering Technician 12 @$35.00 hour $420.00 • Vehicle Charge 2 @$25.00 each $50.00 Sub-Tolal 5770.00 Total Estimate $J.JOO.OO P05·0448C Page
1 of 2 
l1a!:l 03 05 09: 15a admin 872-709-7385 p.3 SCHEDULE OF FEES FOR CONSTRUCTION MATERIALS ENGINEERING & TESTING Texas PROPOSAL A. ASPHALT PAVING TESTING & INSPECTION • 􀁁􀁳􀁰􀁨􀁡􀁾􀀠􀁥􀁸􀁴􀁲􀁡􀁣􀁴􀁬􀁯�
�􀀠& Or .. dation(1 per 500Tons per day) 2 @$145.00 each $29Q.()O • Lab Molded Densities (3 per set) 2 @ns.oo eaCh $70.00 • Maximum Theoretical Specif<e Gravities 2 @S80.00 eacn $160,00
• Sta!>ilitv Tests: ( 3 per set) 2 @$80,00 each $160.00 • Aspnalt Core ThiCl<n<!'ss Measurements (6" dla. 3 per set) 2 @$65.00 each $130,00 • Asphalt core densities ,6 @$25.00 each $150.00
• Certified Asphalt Field Technician 16 @$47.50 nour $760.00 • Project Manaser 2 @$75.00 hour $150.00 • Vehicle Charge :.! @$25.00 trip $SO.OO Sub-Total $1,920.00 B.-Flex. Base Testing
• Moisture-Density Relationship 1 @$145.00 each $145.00 • Atterberg LlminlS 1 @$45.00 each $45,00 • Field Density Testing (ASTM 0-2922) 6 @$15.00 each $90.00 • Senior Engineering Technician
8 @$35.00 hour $260.00 • Vehicle Charge 2 @. $25.00 each $50.00 Sub·Total Total $(;10.00 C. cOnCIl>te Testing and Inspect,on • Concrete Cylinder Test (3 CyiS pli!r 100ey per 􀁤􀁡􀁾􀀩􀀠15
@$15.00 each $225.00 • Review of concrete mix design (if needed) 1 @$75.00 each $75.00 • Aggregate Graclation Test (if needed) 0 @$45.00 each $0.00 • Senior Engineering Technician 12
@$35.00 hOOT $4:20.00 • Vehicle Charge 2 @$25.00 each SSO.OO Sub-Tolal $770.00 Total Estimate $3,300.00 POS.Q448C Page 1 of2 
",; 'I. Wo L -􀁾6 􀁾􀁾􀀠􀀷􀁴􀂣􀀦􀁾􀀠􀁾􀀠􀁾􀁾􀁾􀀱􀁏􀀨􀀧􀁹􀁴􀀶􀁡􀀠... . 􀁩􀁾􀁾􀁾􀀭􀁕􀀯􀁾􀁤􀁮􀀮􀁉􀀭􀁾􀁫􀀭􀁾􀀠......􀁾􀀠.. 􀁾..... 􀁾􀁾􀁾􀀠..... 􀁾􀀮􀁾􀁦􀁾Iff --􀁾􀁾􀀨􀁾􀀯􀁴􀀻􀀩􀀠 􀁴􀁴􀀮􀁾􀁾􀁾􀀧􀀸􀀮􀁾􀀠
􀁾􀁾􀁾􀀠 􀁾􀀠􀁾􀁾􀁾􀁐􀁾􀁾􀁫􀀮􀁳􀀠 􀁾􀀠IV, . 􀁾􀀠􀀮􀀬􀀮􀀯􀁾􀁾􀁾􀀠1: : " : i ;.• I . : : ·:1 • 
􀁾􀁾􀀷􀀭􀀻􀀻􀁷􀀮􀁌􀁾-' 􀀺􀀯􀁊􀁾􀁾􀁾􀀠W"7 􀁾􀁾􀀠.. f F 3 ..A--. lA·􀁾􀀭􀁣􀀮􀀮􀁉􀁉􀀮􀀠􀀺􀁾􀁾􀀭d.J-;nu) 􀁾􀁾􀁾􀀿􀀠􀁍􀁷􀀭􀁾􀀮􀁾􀁾􀁾􀁾􀀠􀁾􀀠Ii; 􀀵􀁾􀁾􀀠􀁔􀀺􀀺􀁲􀁾􀁦􀁾􀀧􀀱􀀠􀁾􀁴􀀼􀀴􀀭􀁾􀀠.U!-tJ
􀀱􀁣􀀹􀁂􀀨􀀩􀀮􀁃􀁓􀁾􀀮􀀠_ 􀁻􀀩􀁾􀀠Iu:J 􀁾􀁾􀀭',' 􀁾􀀧􀀭􀁈􀁾•. , ' 
􀁬􀀱􀁡􀁾􀀮􀁯􀀳􀀠as 09: 15a adrnin 972-709-7385 SCHEDUl.e OF FEES FOR CONSTRUCTION MATERIALS ENGINEERING & TESTING NOTes: '1. OvertIme rates of 1.5 times the regular hourly rate will
be Qhilltged for hours worked over eight (8) hours per day Monday thru Friday or any time before 7:00 a.m. or after 5:00 p.m. Service performed on S,lturdaY$ and 􀁓􀁵􀁮􀁤􀁡􀁹􀁾􀀠wHI
be billed 􀁡􀁴􀀢􀀱􀀮􀁾􀀠times the regular hourly rate. Servioes performed on recognized holidays will be bmed at 2.0 times the regular hourly rate. 2. Aillaf>oratory test fees are F,O.B.
our laboratory: additional cha'ge for sample piCKUP may apply. a. Any additional teSIS will be billed on a 􀁨􀁏􀁵􀁾􀁹􀀠rate and charged at the applicable rate, portal-to-portal. 4. Addilionallesl
not specified in this proposal will be quoted upon request 5. Thi$ proposel does not Include any technician stand-by. non-readiness ChargeS. andlor trips or re-tests of the previous
falIIn9 tests. P05·0<l4BC Page 2 012