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SC-Coppell HS-LR 990921FUGRO SOUTH, INC. 2880 Virgo Lane: Dallas, Texas 75229 Ph (9?2) 484-8301; Fax (9?2) 820-7'328 COMPRESSIVE STRENGTH OF CONCRETE REPORT CLIENT: Coppell lSD, c/o Dal - Mac Construction Co. REPORT DATE: September 21, 1999 PROJECT: Coppell High School, Coppell, Texas PROJECT NO: 0791-2208 SAMPLE DATE: September 10, 1999 CONTRACTOR: Dal Mac TICKET NO.: 7076950 CONCRETE SUPPLIER: Lattimore AMBIENT TEMP. (°F): 93.8 PLANT/TRUCK: 7/757 CONCRETE TEMP. (°F) (ASTM C-10~4): 87.7 MIX ID NUMBER: 16 TIME BATCHED: 10:58 am AIR (%) (ASTM C-231): TIME SAMPLED: 12:15 pm WATER ADDED (gal): 0 WEATHER CONDITION: P/C Windy SLUMP (in.) (ASTM C-143): 8 LOCATION OF PLACEMENT: Piers Area D numbers 88, 89, 140, 92, 94, 153, 152 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 121 7 09/17/99 74000 2620 3000/28 days CHC 122 28 10/08/99 CHC 123 28 10108/99 CHC 124 Hold Fracture mode is (A) unless otherwise noted Specificalions: Making & ASTM C-31 Tesling ASTM 0-143. Types°f ~] [~][~;1 Curing: Methods: ASTM C-39 Fracture: A B C D REMARKS: Technician: Phillip Forrest FUGRO SOUTH INC. Reviewed By: - Z 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