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SC-Coppell HS-LR 991024FUGRO SOUTH, INC. 2880 Virgo Lane; Dallas. Texas 75229 Ph (972) 484-8301; Fax (972) 620-7328 COMPRESSIVE STRENGTH OF CONCRETE REPORT CLIENT: Coppell lSD, c/o Dal - Mac Construction Co. REPORT DATE: October 24, 1999 PROJECT: Coppell High School, Coppell, Texas PROJECT NO: 0791-2208 SAMPLE DATE: September 23, 1999 I CONTRACTOR: Dal - Mac TICKET NO.: 7077429 CONCRETE SUPPLIER: Lattimore AMBIENT TEMP. (°F): 50 PLANT/TRUCK: 7/755 CONCRETE TEMP. (°F) (ASTM C-1064): 70 MIX ID NUMBER: 16 TIME BATCHED: 4:19 AIR (%) (ASTM C-231): TIME SAMPLED: 5:00 WATER ADDED (gal): 0 WEATHER CONDITION: Clear SLUMP (in.) (ASTM C-143): 5.0 LOCATION OF PLACEMENT: Slab, 20 feet west, 10 feet north from southeast corner of freshman center 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) CHC 145 7 9-30-99 110000 3890 3000~28 days CHC 146 28 10-21-99 125000 4420 CHC 147 28 10-21-99 123000 4350 CHC 148 Hold Fracture mode is (A) unless otherwise noted Sl~ec~fications: Making & ASTM C-31 Testing ASTM C-143. Typesof [~] [~ [~ r'"] curing: Methods: ASTM C-39 Fracture: A B C D REMARKS: Technician: Greg Forsythe FUGRO SOUTH INC. Reviewed By: ~- ~ SMH/rm Distribution: DaI-Mac Construction- Damon Norman City of Coppell - Larry Davis Coppell lSD - Mickey Harper SHW Group - Joe Craddock SHW Group - Mike Elmore JRJ Paving - Jeff Williford