I:I􀁾i i-J Job No, LETIEROF The HNT8 Compnniel TRANSMITIAL Date Si10Wes! Piano P3r\1;'M.IY. SYI!e 200 • Plano. TQlI3S 15003 (972) GS1·56:2t1 February 6, 2004 􀁉􀁾􀀧􀂷􀂷􀀧􀂷􀀠To: Bryan
Piper Re: Addison Rarnp/Hangar Project !Site Concrete •3340 Roy Orr Blvd Suite 100 : Grand Prairie, TX 75050 WE ARE FORWARDING TO YOU: NO. OF I COPIES ! SHEET NO. LAST DATED DESCRIPTION
-----1.. • ...􀁾􀁾􀁾􀀭􀀭􀁦􀁬􀁾􀁾__􀁾􀁟􀂭􀀭􀁬􀀽􀀭􀀭􀁴􀀭􀂷􀂷􀀭􀀭􀀱􀁾􀂷􀂷􀀭􀀭􀂷􀂷􀂭I I 􀀮􀀭􀀭􀀭􀀷􀀮􀀭􀀮􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂭! THESE ARE TRANSMITTED: o For approval o For
your usa o As requested o For review & comment PLEASE NOTE: 
---rnl\ nv. ore: 01;:) U001 972-3I.H)733 • F,,, 􀀧􀁭􀀭􀁾13-<)825 btinl;tlilljl. 1'", ')72··513 ()()111 FebrualY 6, 2004 knnifcrNieewandcr, P.R. HNTB 'rhe IINTB Companies 5910 W. Plano
PKWY, Suite 200 Plano, 'IX 75093 . Rl':: Addison AiI'port, TxDO'l' CSJ No. 0318ADDON DeaT Ms. N ieowantler: Silc Concrete. Inc. woultllikc to submit the following speeifie<1tions lor
approval to USc l're-enst Tnlets in lien of Cast-in-plllcc. The details, sheet numh(;r 2R 311([ 28A, require Cast-in l'lucc or Prcmunuf<leturecl by Brooks (2424CB) oS Inng as they maintain
tho traffic rating of H20. We 􀁰􀁲􀁯􀁰􀁯􀁳􀁾􀀠to usc a slighlly bigger box wilh a llc:lvier traffic rating. Ono reason to justify the changc is the NEENAH R3475 grnte will not be availahle
for 4 Wtleks. This suhstHute will facilit,lle the desired target date for completion nod will not cost any additional money. Should you h;rvc 8ny question plcas(l icel fi'ee to call
me ilt 2J4-226·1822. SillCCl"tlly, ..-\. :> 􀀼􀁾􀁾􀁾􀀠Bryan Piper EstimatorlPmjuct Managor 􀁉􀁬􀁮􀁣􀁊􀁮􀁾􀁵􀁲􀁥􀁳􀀠Copy; fh,b Kosmicki, Site Concrete, Jnc. File; 23·133 
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... ., t> " IEAST JORCW! IRON WORKS. INC. P.O. BOX 4.'39 EAST JORDAN, MI. -'9727 1-600-674-4100 FAX 231-536-4456 11. a a (\J M fLU., 􀁾􀀠W til c:: ..J a. l: 2: 0.. IV-t''f" o a '" lfI
o tIl LU U. DRAWN DATE Tel 12/06/03 9 1\;16,--F\ APPROVED I DATE [246mm]JI \ u r 􀁾􀀠1 UU f In CATCH BASIN GRATE23 1/2"n t"'" -'" .... "'"'" ) r-[597mmJ • 􀁾􀀠1 5/8 PRODUCT NO.f41mm􀁾􀀠Ii·
UU' 00543031 '-'" '""'" 'J 􀁾􀁔􀁁􀀡􀀮􀁏􀁏􀀠NO. GRATE SECTION 5430M REF. PRODUCT DRAWINGJS 1/2· [902mm"] -----; 543031 £ST. WT. 1 7/8· 2" GRATE: 295 LBS 134kg1 1I2_ 1 r [47mm] I r[38mm.rljI
:--1. [51mm] QPEN AREA 355 sq. in_􀁾􀁾􀁾􀁾􀁴􀀠[2290 sq. em,]4-1/2" -.J [114mm) MAT'L SPEC. GRATE -GRAY IRON GRATE SEcnON AS1l.! A48 Cl359 LOAf) RAllNG EXTRA HFAVY DUTY (PROOf lll.'O
liSJD) 10 201),000 lBS.) C o I C " C "" ... :'< c R 5 tr. rT c: §E §2 ('Tj "" ." 􀁾􀀠i§ (0 --J "" <TI W o 00 co-'" o --J 
" ... EAST JORDAN IRON WORt<S. INC. P.O. SOX 439 EAST JOROAH. III. 497277/S" [22mmJ DIA 1-800-87-4-410DHANDUNG HOLE FAX 231-536-4458( DRAWN DAiE 􀁉􀀭􀁾􀀠/Tel 12/020J 􀁾􀀠#Jllf 5430 Z
o S&:IlII1 􀁾􀁾􀀠ff' APPROVED I CArE􀀮􀀮􀀮􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀮I CATCH BASIN FRAME PRODUCT NO.23 3/4" '"!F= 34" 543011 [864mm] I ICATALOG NO.I 5430Z I I REF. PRODUc:T DRAWING 􀁄􀁓􀀧􀁉􀁊􀁏􀁉􀁕􀀺􀁬􀁉􀁬􀀢�
�􀁟􀁾􀁜􀁾􀀠􀀭􀀭􀀮􀁾􀀠543011 ..,.., mc:o I o 0:> I 􀁾􀀠o..,. ..,.., :;0 -o N w ::t> :3 til-􀁾􀀠(J <:) z 􀁾􀀠 J • ) 􀁾􀀠u 􀁾􀀠t 􀁾•c j L C r--------35 3/4" 2" EST. WI.I [90Bmm] I-C51mmJ
FRAME SECTIONlk 6 1/4' FRAME: :1.80 LBS 127kgdi 􀁲􀁾􀁓􀀺􀀺􀀱􀀠[159mmJ OPEN AAEA H/AI. 32 3/4" .I I . [832mm] . I ,-IlAl'L SPEC. 36 3/4"...--____-1. fRAME -GRAY IRON [933mml ASThI 1'0.48
CLS5B i 46"1[115BmmJ LOAD RAllNG EXTRA HEAVY DUTYFRAME SECTION (PROOF 􀁾􀁏􀁉􀁄􀀠TE5TED TO 200,000 illS.) ..,.., 􀁾􀀠i§ co ;:j (J"1-w o 0:> 0:> ::0 §5