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SC-Coppell HS-LR 990826FUGRO 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 Dar - Mac Construction Co. REPORT DATE: August 26, 1999 PROJECT: Coppell High School, Coppell, Texas PROJECT NO: 0791-2208 SAMPLE DATE: August 18, 1999 CONTRACTOR: Cortez Group TICKET NO.: 3090328 CONCRETE SUPPLIER: Lattimore AMBIENT TEMP. (°F): 100 PLANT/TRUCK: 3/734 CONCRETE TEMP. (°F) (ASTM C.1064): 90 MIX ID NUMBER: 16 TIME MATCHED: 4:30 AIR (%) (AS?M C-231): TIME SAMPLED: 5:20 WATER ADDED (gal): 0 WEATHER CONDITION: Hot SLUMP (in.) (ASTU C.143): 3 3/4 LOCATION OF PLACEMENT: Piers: Pier ~226 CONCRETE CYLINDER COMPRESSIVE STRENGTH TESTS Standard 6" x t2", 28.27 square inches TOTAL COMPRESSIVE SPECIFIED COMPRESSIVE CYLINDER AGE DATE LOAD STRENGTH STRENGTH NUMBER (days) . TESTED (pounds) (psi) (psi) CHC 33 7 08/25/99 92000 3250 3000/28 days CHC 34 28 09/15/99 CHC 35 28 09/15/99 CHC 36 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: Thomas Cranford FUGRO SOUTH INC. Reviewed By. SMH/rm Distribution:. DaI-Mac Construction- Damgn Norman City of Coppell - Larry Davis ~ Coppell lSD - Mickey Harper SHW Group - Joe Craddock SHW Group - Mike Elmore JRJ Paving - Jeff Williford