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Northlake 635(7)-LR00042510575 "e'.~¥r~ Stree' Clark Contractors Report Date: April 25, 2000 s u . ' e i 8 ~ 1333 Crestside Drive Report ID. No: C6209 . 2990 :'a!10s, Te:<c;s7522[= Coppell TX 75019. ~ 72. [~3 ~ ~ t ~ I Attention: GaryZinber_a F4:( 972.~3' .[ 8".~0 REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside Drive/Coppell, Texas Location: STUB WALL FOR WIRE TROUGH- AREA D Cast Date: 4/17/00 Batch Time: 7:30 Test Time: 8:10 Specimens Made By: JAL Supplier: BUTLER Ticket No.: L010925 Truck Number: 210 Concrete Mix: 322 Specified Strength: 3000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143, C231, C138, C1064) Slump: 5.25 in. Air Content: 1.1% Density: pcf. Temp.: 64 OF COMPRESSIVE STRENGTHS CASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days} (in.) (in.2) (lbs.) er>si) f'.~c Fracture 1 3 6.00 28.27 117,490 4160 Shear 2 3 6.00 28.27 123,490 4370 Shear Average: '4260 142 3 7 6.00 28.27 122, 600 4340 Wedge Average: 4340 145 £ Patton, Burke & Tho~. p_Son, LLC : cc: Concrete Supplier ~.*';.~...~. .' ' . . - ~ :' PLR Construction PATTON, BURKE & THOMPSON, LLC Engineering Consultants