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SC-Coppell HS-LR 990915FUGRO 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: September 15, 1999 PROJECT: Coppell High School, Coppell, Texas PROJECT NO: 0791-2208 SAMPLE DATE: September 7, 1999 CONTRACTOR: Dal Mac TICKET NO.: 7076706 CONCRETE SUPPLIER: Larrimore AMBIENT TEMP. (°F): 94.6 PLANT/TRUCK: 7/768 CONCRETE TEMP. (°F) (ASTM C-10S4): 90.7 MIX ID NUMBER: 16 TIME BATCHED: 2:27 pm AIR (%) (AS?~a C-231): TIME SAMPLED: 3:25 pm WATER ADDED (gal): 0 WEATHER CONDITION: Partly cloudy SLUMP (in.) (ASTra C-~43): 5 3/4 LOCATION OF PLACEMENT: Piers: Area E, Numbers 1, 8, 16, 12, 15 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 105 7 09/14/99 84000 2970 3000/28 days CHC 106 28 10/05/99 CHC 107 28 10/05/99 CHC 108 Hold Fracture mode is (A) unless otherwise noted Specifications: Making & ASTM C-31 Testing ASTM C-143, Typesof ~] [~ [~ ~"] Curing: Methods: ASTM C-39 Fracture: A B C D REMARKS: Technician: Phillip Forrest FUGRO SOUTH INC. Reviewed By: ':; J 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