1 1 I 1 1 1 I .. :_1 1 '1 1 1 1 -. f 1 1 1 1 1 1 1 1 1 1 1 .-SHIMEK, JACOBS & FINKLEA, L.L.P. CONSULTING ENGINEERS 8333 Douglas A venue, #820 Dallas, Texas 75225-5816 Fax (214) 361-0204 Phone (214) 361-7900 ROSS L JACOBS, P.E. RONALDV. CONWAY,P.E. JOHN W. BIRK.HOFF, P.E. JOE R. CARTER, P.E. GARY C. HENDRICKS, P.E. I. C. FINKLEA, P.E. November 23, 1998 Mr. John Baumgartner, P.E. Director of Public Works Town of Addison Post Office Box 144 Addison, Texas 75001-0144 Re: Y2K Water Well Dear Mr. Baumgartner: We have completed our review for construction of a water well at the Celestial Pump Station site and fmd that it is feasible. It is our understanding that this water well is being considered as a secondary source of water in the case of extreme emergencies such as a Y2K meltdown of the electrical grid and/or Dallas's inability to supply water to Addison. The feasibility of a well producing approximately 1.0 million gallons a day is realistic in Addison. It has been reported that EDS to the north drilled a well into the Trinity formation and are producing 1800 gpm (2.6MGD). In order to achieve a well producing 1.0 MGD (694 gpm) will require a 16-inch casing and a 10-inch carrier pipe (16 x 10 well). The well will reach depths of approximately 2800 feet which will produce water at a temperature in the range of 105 to 115 degrees. The water being produced from the Trinity formation has high amounts of total solids and sulfates, which leads to undesirable taste and odor concerns. The TNRCC's Secondary Constituent Levels establishes a maximum limit for Solids at 1000 mg/L and 300 mg/L for Sulfates. The EPA has no limits on these constituents, but has recommended limits of 500 mg/L for Solids and 250 mg!L for Sulfates. Area well reports indicate Trinity waters have solids in the range of 1200 mg!L and Sulfates in the range of 450 mg/L. Until the water can be tested it is unknown whether it will meet within TNRCC limits. For extreme emergency use, water quality issues may not be a major concern at these levels. Surface water from the City of Dallas has Solids in the range of 190 mg/L and Sulfates in the range of 50 mg/L. · Once drilled and placed into operation, the well will need to be exercised to insure its effectiveness when needed. The Trinity water can be blended with Dallas at the intake to the Ground Storage Reservoir. This type of operation can utilize the water from the well while exercising the well. A 90 -10 blending rate would result in Solids in the range of291mg/L and Sulfates in the range of90mg/L which would meet TNRCC limits. In addition to the 2800 foot Trinity Well, the Town will require a 300 HP Well Pump, Cooling Tower, Disinfecting Facilities (Chlormines), Pump/Well Building and a Disinfecting Building. Our opinion of cost for these facilities including engineering is approximately $1,300,000.00. j:\addison\98-191 \lettc:B\corres\well.doc Mr. John Baumgartner, P.E. Town of Addison 11125/98 Page No.2 A 12 x 8 well producing 0.79 MGD (550gpm) with appurtenances would cost in the range of$1,050,000.00 and a 10 x 6 well producing 0.58 MGD (400 gpm) with appurtenances would cost in the range of$900,000.00. The disinfection facility will contain ammonia and chlorine, such a facility is required by the Uniform Fire Code to include scrubbers. The cost for scrubbers would be an additional $200,000.00. The council has the ability to waive this requirement. We recommend that it be a part of the project. The Town's original well was located near the Post Office, if it has not been plugged, it will need to be plugged. It was reported from a local well contractor that the Town's original well (small producer) had holes in the casing and was contaminating the formation with brackish water. They had no record that the well had been plugged. The State requires abandoned wells to be plugged. · The time required to drill a well and place it in service is approximately three months. Construction to include buildings, piping and cooling tower is on the order of six months. We are available at your convenience to discuss any questions you may with our findings or to proceed with preliminary site layout and engineering at the Celestial Pump Station. · Sincerely, 􀀨􀀩􀁾􀁴􀁶􀁬􀀳􀁾􀁦􀀠 John W. Birkhoff, P.E. j:\addison\98-191\ktti:I"S\corn:s\well.doc /-2.-o( ,, • I CDM consufting engineering construction operations Camp Dresser & McKee Inc. One Glen Lakes 8140Walnut Hill "'ne, Suite 1000 Dallas, Texas 75231 Tei:214346-2BOO Fax:214987-2017 April15, 1998 Mr. Jim Pierce, P.E. Town of Addison P.O. Box 144 Addison, Texas 75001-0144 Re: Estimated Water Well Closure Costs Town of Addison Water Well Southeast Comer of Addison Airport Addison, Texas Dear Mr. Pierce: Pursuant to your request, Camp Dresser & McKee Inc. (CDM) has developed budgetary estimates for your use concerning the closure of the above referenced water well located at Addison Airport. The estimates presented in this letter were developed by CDM to assit the Town in budgeting funds for this work and should not be considered a proposal to perform the work. Based on our experience in the plugging and abandonment of water wells and following discussions with two separate water well drilling and plugging contractors, we estimate that the following funds should be budgeted for the sampling and closure of this well. Sampling of Water Well ............................................................................. .... $ 2,000.00 (Includes labor, equipment, supplies and analytical testing for benzene, toluene, ethylbenzene, xylenes (BTEX), total petroleum hydrocarbons and polynuclear aromatic hydrocarbons {P AH' s) and a letter report documenting the results of the investigation.) Design Well Closure Specifications .............................................................. $ 2,500.00 (Includes verifying closure methods and procedures, development of closure specification documents, pre-bid conference, bid evaluation and award.) Well Closure Construction Costs ................................................................. $ 27,000.00 (Includes all labor, equipment and materials required to plug the well in accordance with State requirements.) Construction Oversight ................................................................................ $ 1,000.00 Total Budgetary Estimate ........................................................... ................. $ 32,500.00 CDM Camp Dresser & McKee Inc. Mr. Jim Pierce, P.E. April15, 1998 Page2 COM appreciates the opportunity to be of service to the Town of Addison. If you have any questions about the budgetary estimates provided above, please phone me at 214-346-2800. Sincerely, CAMP DRESSER & McKEE INC. 􀁾􀁾􀀠 Ron Hartline, P.E. April 14, 1998 Mr. Jim Pierce City of Addison P. 0. Box 9010 Addison, TX 75001 WATER IS OUR BUSINESS SINCE 1904 8329 FORNEY ROAD • DALLAS, TEXAS 75227 • (214) 388·7407 FAX (214) 388-0059 Re: City of Addison Trinity Water Well Dear Jim: In response to our telephone conversation we are enclosing a copy of the electric log, drillers log and material settings on the well drilled in 1957 for the City. The recommended plugging method tor this well is to run tubing to total depth and pump in a cement slurry to fill the casing and liner from 2500 to 2778 feet followed by heavy 10#/_gal drilling mud from 1800 to 2500 feet. A cement plug opposite the Paluxy sand from 1600 to 1800 feet then mud from 20 to 1600 feet with cement from surface to 20 feet to complete the plugging. An estimated cost for this is $15,000.00. This figure was given to Ron Hartline. If you have any questions, please call. Sincerely, J. L. MYERS COMPANY 􀁊􀁯􀁾􀁡􀁲􀁤􀀠Vice-President JWD:va Enclosures From To 0 15 0 1009 1009 1010 1010 2614 2614 2615 2615 2768 2768 2778 Casing cemented Amount 15' 1009' l' 1604' l' 153' J. L. MYERS' SONS DALLAS DENTON MATERIAL RECORD FOR CITY OF ADDISON,TEXAS Description 12" o. D. 8-5/8" o. D., 27.02# upper casing 8-5/8" 0. D. X 7" 0. D. Swedge Nipple 711 0. D., 20# lower casing 7" o. D. X 6-5/8" 0. D. Swedge Nipple 6-5/8" o. D. mill ·slotted pipe sand section set opposite 10' 6-5/8" 0. D. Blank with shoe on bottom from top of 6-5/8" mill slotted pipe to surface of ground cementing by Halliburton Oil Well Cementing Companyo I I J 'I WELL OWNER : WELL LOCATION: WELL COMPLETED: DRILLER: J. L. MYERS 1 SONS DALl.AS -DENTON WELL LOG City of Addiaen, Texas City of Addiaon, Texas Novasaber, 1957 ----------------------------------Depth of Stratum Each Strata Forution ------------------0 15 15 Surfaca Soil 15 120 105 Chalk Rock .. 120 640 520 Shale 640 650 10 Sand 6SO 862 212 Shale 862 1015 153 Broken Sand 1015 1025 10 Shale 1025 1255 230 Shale i. Lime 1255 1415 160 Lime 1415 1450 35 Shale 1450 1520 70 Lime 1520 1570 50 Lillie 1570 1798 228 Sandy Shale 1798 2073 275 Broken LU.a 2073 2185 112 Shale i. LU.. 2185 2330 145 Shale i. Saad 2330 2395 65 Broken Sand 2395 2465 70 Broken Lima 2465 2570 105 Shale 2570 2750 180 Sand 2750 2778 28 Shale i j j j j I I I I ( Form GW-1 . , .. 􀀭􀁾􀀠 (-·•· TE.XAS BOARD OF WATER ENGINEERS GROUND-WATER DlVISlON WELL SCHEDULE Da« ___ 􀁊􀀯􀀭􀀭􀁾􀀭􀁾􀀠 , 19_j, /Fl•ld No. Record by __ 􀁟􀀭􀀱􀀺􀀺􀁾􀁟􀀮􀀮􀀮􀀮􀀮 􀀮􀀮􀀮􀁟􀀵􀀮􀁟􀁟􀁟􀀠 􀁾􀂷􀁣􀁥􀀠􀁎􀁯􀀮􀁊􀀡􀁦􀀳􀀮􀀮􀀮􀀮􀀺􀁊􀁾􀀲􀀭􀁚􀁟􀁃􀀲􀁽􀀠 I /t. · -;;,--y..=' Source of 􀁤􀁾􀁴􀁡􀁟􀁌􀀺􀀺􀀺􀁟􀀿􀁟􀁟􀀡􀁟􀀬􀁦􀀡􀀬􀁻􀀻􀀧􀀺􀀬􀀮􀀮􀁺􀁴􀀮􀀺􀁛􀁟􀀠_____________ 􀀭􀁲􀁾􀀠 £}-(Location: County 􀀭􀁾􀁾􀀠 . · · · · M•• r i. 􀁾􀀭' I ' •· •.. r ; t I ' t ,. r i 􀁾􀀠t r (. ., .,. 􀁾􀀭'· :-:: :-:: i. 􀁾􀁾􀀠• F ' I r i I I 1 ! ' 1 f t ' l ' I I I 1 I I t ' I ' I I I ... -?-' . . ! .• . 􀁾􀀠 . ! . . .. • -J, .. ' .. •· .. r . ·, . . ·-􀁾􀀠. . --..... . .. y/.( 33 :__ 02-2.v I A ' i ' cJ-IOo9 /Ot:J'j-1010 I 0 f (} -21,/? 􀁾􀁾􀂻􀁌􀀠 . . . : .. ,-,.: .. , -. ! I I I I l I r l ,. 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