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Coppell Trade-CS050520Mil :F DI3EN MILLER IN . GENI~R~L C~NTt:IACTOR~ FACSIMILE LEAD SHEET / FAX NUMBER: TOTAL PAGES FOLLOWING LEAD SHEET: COMMENTS: _,~ 0 l~r~ _ RETURN REPbY REQUESTED: ( )YES ( )NO SENDER'S FAX NUMBER- (972) 401-1399 iF ANY'PAR'i OF HI&-R~NSM ~StONiSUNCIEAR, ORIFYOU RECE1VEiT Pi.iASi CAi LA ':~; 11350 LUNA ROAD / P O, BOX 59.882 / DALLAS, TEXAS 75229 / (972) 40%2356 / FAX (972) 40tm399 [7©2 ENGINEERING 6440 N £en~'r~t Exl~y ~ ~ul£e 4 1,~ Facsimile Cover Sheet To: Company: Phone: Fax: Charlene La Mattina, PE City of Coppell 972-304-7044 972-304-3570 From: Phone: Fax: Dayton Macatee 2'4-373-11 14-373-6u80 Date: 5/7t2005 Pages including this cover page; 2 Comments: Charlene, Here's my letter requesting (1) no lime, and (2) use of fiy ash. Will yOu please review ano let me know il you have any questions, Chris, Will you please provide the appropriste documenlatio~ to reqLJeSt? Thp, nk you Oc: Crlrm Eddy Al Sorrels Jon Jacobsor~ 972-241-7955 972-401 1399 ne to suppod our e5 28,-2085 ~9:40 f'ICFHDDE[4 : rlI LLER 972401 ~399 + '9723EI43570 MAS~T£E ENG 187 P&GE 8~ 4 May 7, 2065 Cit~ of Coppcll 255 Parkway Bo[devaJd Ceppell. ']"ex,as 72019 ^ttn Keith Marvin, Re: Subgrade Preparation & Pavin~ Specifieatmns Request fo~ Modificatioa Coppell Tr,ade Cenle~ D~ K~ith, Please accept ~is letter is our format request to modify the subgm:le prepm-at'.on ~d paving si~eci~cations on the refereaced project Our request is based on recommendations made by l'IBC/Termcon. According to the recommendations contained in the Geotedmical Engineering Re~ prep&red by HBC~erracon tBr The Holt Companies (NBC Job No. 9404523) dined Janmry 14, 2005, lime sta~iti~tion is not necess~y for the paving subgra~e The last sentence in the next4o-l~t paragraph on Page 14 Stales '~Rigid (concrele) paveme~ts may be placed on properly campac:ed s~bgr~de '~ Thc ncxr-to-~ast paragraph cn Page 13 states "O~-site or ml~o, tea sol s placed within tJ~e buitdhqe (~tm'int and beneath oarking areas shoald 'oe comv~cted t~ ~ h~mn[mm ol ~ percent of ASTM D fiGg nmxi~i,m cl~ d~fl~it}.' ar or above optimum molsmre ~' Based on S~ese recommendations, we :'eqacst Coppell's reauirement ~B~ime stab~lizati0n under pav~ng -mcmding 1~ e lanes, truck docks and ~arking ~g~ - be deleted M a subsequesr let~e~ ~:]~on prepm'ed dlis week, HBQ~ertaeon has d~signed a concrete mSx aes/gn which utilizes fly ash. Subject to fl~e recommencaUons and qualifications contained ia Stir report, we req~[est fly ash be allo~d in dxe concrete mix des;gn fief ensure paving, We will have ~C/Tetzacon provide full copies of bolh of the referenced repons. Please call ~ne ~umber a[ove er Clms Eddy (HBC~e~acon) at 214-630-1010 if you need ~y afldxionaI Sincerel3 /VIAEATEE EN(~INEERIN6 Da.vmr~/'Mac~ ~ E Cc; Chris Eddy (HBC"'I erracon) Al Sorrels (Tlle Holt Compm~ies) Jan Jacobsen (McFadden & Miller)