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Northlake 635(7)-LR000629! 0575 Newkirk Street Clark Contractors Report Date: ,June 2g, 2000 Suite 780 1333 Crestside Drive Report ID. No: C6674 - 2ggo Dallas, Texas 75220 Coppell TX 75019- 972.831 .I I i I Attention: Gary Zinberg PAX 972.831.0800 REPORT OF COMPRESSIVE STRENGTH TESTS Project: P$1NET '1333 Crestside Drive/Coppell, Texas Location: SLAB. '1' OF OF WALL- NEXT TO CHILL WATER TANK PAD ON $0. SIDE Cast Date: 6/1/00 Batch Time: Test Time: 7:00 Specimens Made By: DJ Supplier: BUTLER Ticket No.: 6386 Truck Number: 230 Concrete Mix: 202'1 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231, C138. C1064) Slump: 5.5 in. Air Content: 3.0 % Density: pcf. Temp.: 85 OF COMPRESSIVE STRENGTHS CASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days) (in.) (in.2) (lbs.) (l~si) f'._~c Fracture I 7 6.00 28.27 108,530 3840 Wedge 2 7 6.00 28.27 107,080 3790 Wedge Average: 3820 95 3 28 6.00 28.27 139,440 4930 Cone 4 28 6.00 28.27 150,330 5320 Cone Average: 5120 128 __.o<~. OF 7'~% Patton, Burke & Tho)mp~l~.Rt,bl~PC~'":o.?..~¢~lt cc: Concrete Supplier ~/ ~.' PAT~O~, BO~ & ~OMPSO~ Engineering Consultants