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Lakewood A-CS 920611 ~1~6~089~ ~ .c.-.'U_._~IT ~V:C~I.P~(-t TUC:T~I~.I~ ~I'.IC ,~, . ....... ~_._LJ~: z~:~l.~l'4 : [, POnt-it' bcand fix tranlmlflal re®mo 7671 .,,~,o--" / T£S'ITNG, INC. ~. ,, . ~ ~ ~ .. ~ ~,'~ "' ~une 1]., 1992 Unlicke~, Schnurbusch & Associates, Inc. 8700 9~e~mons Freeway, Suite 400 Dallasv Texas 75247 Attentionl Mr. l~ev~n Kendr~ck, P.E. Impo~ ted Fill Lakewood Estates Vi 11age Parkway Coppell, Texas Alpha Project No. 92159-~ Based upon our recent conve=sat£ons, we understand that f~11 w~l! be required fo~ the above referenced project. Or1 June 10, 1992, a member of our staff received a sample of fill from you~ off~ce for visual evaluation as use Ecs f~11. ~e s~ple consis~ cE gray shaly l~mes~one. In our opln~on, ~he ma~e=~al could be used for f~l for th~s p~oJect. We recom~nd tha~ ~he l~s~one be processed ~uah that all ~nd~vidual rock pieces are less than 6 {nches in d~mens~on and the sufficient f~nes are creat~ to f~11 all voids ~tween ~he large= =~k p~eces. ~e rock fi~l should be comp~ct~ to at least 95 percent of s~da=d P~oc~o~ maximin density. ~e compacted mo~gtu~e content of limestone {s no~ oon8Lde=~ crucial with r~ard ~o proper performance. However, may be possible to minimize the compac~ve effor~ required to achieve the m~nimum compaction o=~er~a ~f ~he mater~alts moisture content ~ur~ng placement ~s w~thin three percent of optimum, Add~tlonal~y, no rock fill should be used within Ift below ~om of floor slabs. we appreciate the opportunity to be of service ~o you on project. If we can be of further assistance, please contact our office. ~S.[ ........ ~...~.~.~ ALPHA T~STING, INC. ..... ~=~... · ~: ......... ~ ~vid A. Lewis, Copies, (1~~ ...... (-I') City of Coppell, Mr. Ken Griffin, P.E~' (1) Coo~-Jazkson