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SC-Coppell HS-LR 990929FUGRO 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 29, 1999 PROJECT: Coppell High School, Coppell, Texas PROJECT NO: 0791-2208 SAMPLE DATE: August 31, 1999 CONTRACTOR: Cortez Group TICKET NO.: 7076349 CONCRETE SUPPLIER: Lattimore AMBIENT TEMP. (°F): 95 PLANT/TRUCK: 7/952 CONCRETE TEMP. (°F) (ASTM C-1064): 89 MIX ID NUMBER: 16 TIME BATCHED: 4:25 AIR (%) (ASTM C-231): TIME SAMPLED: 5:15 WATER ADDED (gal): 0 WEATHER CONDITION: Clear SLUMP (in.) (ASTM C-143): 5 LOCATION OF PLACEMENT: Piers: Pier #200 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 69 7 09/07/99 69000 2440 3000/28 days CHC 70 28 09~28~99 87000 3080 CHC 71 28 09/28/99 85000 3010 CHC 72 Hold Fracture mode is (A) unless otherwise noted Specifications: Making & ASTM C-31 Testing ASTM C-143. Typesof ~ ~ 0 ~ Curing: Methods: ASTM Co39 Fracture: A B C D REMARKS: Technician: Thomas Cranford 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