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Denton Tap L2R BA-LR010510 '--I~ FUGRO SOUTH, INC. 2880 Virgo Lane; Dallas. Texas ?5229 Ph (972) 484-8301' Fax (972) 620-7328 COMPRESSIVE STRENGTH OF CONCRETE REPORT CLIENT: Preston Engineering Report Date: May 10, 2001 PROJECT: Everybody Fits, Coppell, Texas Project No.: 0701-2035 SAMPLE DATE: March 14, 2001 CONTRACTOR: Preston Engineering TICKET NO.: 224 CONCRETE SUPPLIER: Nelson Brothers AMBIENT TEMP. (°F): 58 PLANT/TRUCK: 224 CONCRETE TEMP. (°F) (ASTM C-1064): 69 MIX ID NUMBER: 5 SK TIME BATCHED: 11:30 AIR (%) (ASTM C-231): TIME SAMPLED: 12:30 WATER ADDED (gal): 0 WEATHER CONDITION: Light rain SLUMP (in.) (ASTM C-143): 4.50 LOCATION OF PLACEMENT: East Vestibule CONCRETE CYLINDER COMPRESSIVE STRENGTH TESTS Standard 6" x 12", 28.27 square inches TOTAL COMPRESSIVE SPECIFIED COMPRESSIVE CYLINDER AGE DATE LOAD STRENGTH STRENGTH NUMBER (days) TESTED (pounds) (psi) (psi) EFC 21 7 03/21/01 48500 1710' 3000/28 days EFC 22 28 04/11/01 77300 2730* EFC 23 28 04/11/01 78400 2770' EFC 24 56 I 05-09-01 94300 3340 Specifications: Making & ASTM C-31 Testing ASTM C-143, I Fracture mode is (A) unless othe~vise noted Curing: Methods: ASTM C-39 I Frac:ure: A B C D REMARKS: *Does not meet required compressive strength at 28 days. Technician: Jerry Smith FUGRO SOUTH INC. Reviewed By:__.~ SMH/rm Distribution: Preston Engineering - Timothy D. McMahon. P.E. City of Coppell - Lee Stone