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Northlake WE P10C-LR 970221FUGRO-McCLELLAND (SOUTHWEST), INC. - 2880 Virgo Lane: Dallas, Texas 75229 Ph (972) 484-8301; Fax (972) 620-7328 COMPRESSIVE STRENGTH OF CONCRETE REPORT CLIENT: Site Concrete Report Date: February 21, 1997 PROJECT: Northlake Woodlands 10C, Coppell, Texas Project No.: 0761-2105 I- ,. -- SAMPLE DATE: January 24, 1997 CONTRACTOR: Site Concrete TICKET NO.: N/A CONCRETE SUPPLIER: Site Concrete AMBIENT TEMP. (°F): 51 PLANT/TRUCK: On site CONCRETE TEMP. (°F): 56 MIX ID NUMBER: N/A TIME BATCHED: N/A AIR (%) (ASTM C-231) N/A TIME SAMPLED: 8:45 am WATER ADDED (gal): N/A WEATHER CONDITION: Clear SLUMP (inches) (ASTM C-143) 5 1/4 LOCATION OF PLACEMENT: Paving: Alley G, station 7+00 CONCRETE CYLINDER COMPRESSIVE STRENGTH TESTS Standard 6" x 12", 28~27 square inches CYLINDER AGE DATE TOTAL LOAD COMPRESSIVE REQUIRED COMPRESSIVE NUMBER (days) TESTED (pounds) STRENGTH STRENGTH (psi) (psi) NLW 65 7 01/31/97 105000 3714 3000/28 days NLW 66 28 02/21/97 135000 4775 NLW 67 28 02/21/97 133000 4705 NLW 68 Hold S~ecifications: Making & Curing: ASTM C-31 Testing Meth(x:ls: ASTM C-143, ASTM C-39 REMARKS: Technician: Hal Patterson FUGRO-McCLELLAND (SOUTHWEST), INC. Checked By: SMH/rm Distribution: Site Concrete - Mike Boney Site Concrete - Jean Boney Northlake Woodlands Development - Steve Parsons