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Northlake 635(5)-LR000331CONCRETE COMPRE IVE STRENGTH TES ENGINi~J~, INC~ 89~1 Catgeat~ ltr~y., 8uit~ #1~ Date of Service: 03/01/2000 Client No.: 85229000 Report No.: Project No.: 0005811 94991457 Report Date 03/31/2000 CUent: Transwestern Property Company Project: Atto: James Oaspard 12221 Merit Drive, g450 Dallas TX 75251 Coppell Commerce Center 1234 Lakeshore (Bldg. B) Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required field test and cast compressive strength samples. SLUMP: AIR: 'IF. ST METHOD: coh-ranCrOR: Butler Construction CONC~rz SUVVLma: Pioneer vt~r: 22 SPECI~CATION REQUIREMENTS STaENGTm 3000 psi @ 28 Days 5-7" N/A ASTM C- 143 ASTM C-i72 ASTM ¢-39 PROJECT DATA MXX~.: 9337 p~,Cla~mrr OATE: 03/01/2000 na~ TIMm 1 l:40am Tn~S,O~,.ED: 12:20pm aY: Roy Montgomery Clear 68 F cot~rm: 72 TIC~mTNO: 502265 UNff WEIGIrr (pal): N/A Technician T~me: See Rel~t $g)005810 SAMPLE LOCATION: See below REPORT OF TESTS ACCUMULATIVE YARD~: l0 CYLINDER MEASURED MA~[ED SLUMP SET NO. 0riches) 1 1 ! 2 MAXIMUM COMPRESSIVE DATE AGE LOAD STRENG~ FRACTURE TESTED (days) 01~ for~) ~ TYI~ 5.75 03108/2000 7 116470 4120 5.75 03/0812000 7 114990 4070 Average 4100 I 3 5.75 03/29/2000 28 146380 5180 1 4 5.75 03/2912000 28 155200 5490 Average ~ 0ILL This rcport is exclusively for thc usc of tltc ciient ind~ ab°ye and slmll n°t be rcl~ ~ h M ~ ~ ~ ~ ~ H~ ~ ~' Page I of 2 Report No.: 0005811 0 Sample location: Piers D.5/6, D.5/5.5, D.5/5, D.5/4.5 Technician: Roy Montgomery Report Distribution: (1) Tnu~w~m Pmp~7 Comi~my (!) O'Brien & AssociaU~ (1) Teclmis~ucarres, [ac. (1) Buffer Comuucfio~ (0 City of Copp~ (1) City of Coppell H~ ~..~, Inc. Paul D. Smith, P.E. Senior Projec~ Engineer OILL Page 2 og 2