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Northlake 635(7)-LR000511 10575 Newkirk Streel Clark Contractors Report Date: May 1'1, 2000 Suite 780 1333 Crestside Drive Report ID. No: C6183 - 2990 Dallas, 'texas 75220 Coppell TX 75019- 9 7 2 . 8 3 I . 1 1 1 1 Attention: Gary ZJnberg FAX 972.831.0800 REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSiNET 1333 Crestside Drive,/Coppell, Texas Location: PAVED - ACCESS RAMP (AREA D) INSIDE BLDG Cast Date: 4/13/00 Batch Time: 9:20 Test Time: 11:15 Specimens Made By: TT Supplier: BUTLER Ticket No.: L0'10883 Truck Number: 222 Concrete Mix: 322 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE CASTM C143, C231, C138, C1064} _ Slump: 3.5 in. Air Content: 0.0 % Density: pcf. Temp.: 80 OF COMPRESSIVE STRENGTHS (ASTM C39} Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) CDavs} (in.) (in.2) (lbs.) (osi} f'._~c Fracture 1 7 6.00 28.27 146, 920 5200 Wedge 2 7 6.00 28.27 141,250 5000 Wedge Average: 5100 127 3 28 6. O0 28.27 155,340 5490 Shear 4 28 6.00 28.27 157,250 5560 Wedge Average: 5520 138 ~ m~,~~, cc: Concrete Supplier Patton, Burke & TI  .o~...~ I PLR Construction ..........~ -.. ~'-' ~'~ ,..~.~u ......... /~ ':" ~ ~ GX~ ~ec~°~°~x PATTON, BUR~ & THOMPSON~ LLC ~eer~ Consultants