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Northlake 635(7)-LR000728 10575 Newki[k Street Clark Contractors Report Date: July 28, 2000 Suite 780 1333 CrestsJde Drive Report ID. No: C6961 - 2ggo Dallas, Texas 75220 9 7 2. 8 3 I . 1 ! I 1 Coppell TX 75019- Attention: Gary Zinberg FAX 972.831.0800 REPORT OF COMPRESSIVE STRENGTH TESTS Project: P$1NET 1333 Crestside Drive/Coppell, Texas Location: GRADE BEAM - LOADING DOCK ,.~ SW CORNER OF BLDG. Cast Date: 6/29/00 Batch Time: 10:05 Test Time: 10:50 Specimens Made By: JAL Supplier: BUTLER Ticket No.: E007156 Truck Number: 224 Concrete Mix: 2001 Specified Strength: 3000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143, C231, C138, C1064) Slump: 5 in. Air Content: 3.9 % Density: pcf. Temp.: 86 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days} (in.) (in.2) (lbs.) (psi) f'__~c Fracture I 7 6.00 28.27 99,530 3520 Cone 2 7 6.00 28.27 96,250 3400 Cone Average: 3460 115 3 28 6.00 28.27 115,670 4090 Cone 4 28 6.00 28.27 114,590 4050 Cone Average: 4070 136 PLR Construction _ .~re~fp. mammer PATTON, BURKE & THOMPSON, LLC I