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Northlake 635(7)-LR000509
~ 0575 HewkJrk Street Cl~rk Contractors Report Date: May 09, 2000 Suite 780 1333 Crestside [:)rive Report ID. No: C6'/79 - 2990 I~elles, Taxes 75220 Coppell TX 75019- 9;'2.831.11'1 1 Attention: Gary ZJnberg FAX 972.831.0800 REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside DriveJCoppell, Texas Location: STUB WALL @ EAST END OF BLDG Cast Date: 4/11/00 Batch Time: 8:18 Test Time: 8:30 Specimens Made By: EM Supplier: BUTLER Ticket No.: E004331 Truck Number: 2f6 Concrete Mix: 9363 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231. C138, C1064) Slump: 5.5 in. Air Content: 5.0 % Density: pcf. Temp.: 72 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days} (in.) (in.2) (lbs.) (l~si~ f'.~c Fracture 1 3 6.00 28.27 75, 620 2670 Shear 2 3 6. O0 28. 27 73,110 2590 Shear Average: 2630 66 3 7 6.00 28.27 72,420 2560 Wedge 4 7 6. O0 28. 27 70,090 2480 Cone Average: 2520 63 5 28 6.00 28.27 143, 690 5080 Wedge 6 28 6.00 28.27 144, 720 5120 Wedge Average: 5100 127 Patton, Burke~,~hoo!psor~ ELC cc: Concrete Supplier RECEIVED R~l'ard~.../ ~' :' :-:" · -' ................... -' HAY 1_ 5 2000 ~ " ,::"i', ~ :.' . -':..' "";' '" '":"~' ' gi 4¢ ,..:?;,.:,,S~.- :., ,, ,.'.;. Clark Technolo es ' "t'" ....... ~A?'Z'O~T, ~I./RY,.E & ?Z-zoMr~$oN~ T.T.C EA§iAeeriAg Cmu4~ltaAts.