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Coppell Greens 1-LR 980902FUGRO SOUTH, INC. '1~~ ~~ ~~~ 2880 Virgo Lane; Dallas, Texas 75229 Ph (972)484-8301; Fax (972)620-7328 COMPRESSIVE STRENGTH OF CONCRETE REPORT CLIENT: Argus Development of Texas Inc, c/o Eastern Dev. Report Date: September 2, 1998 PROJECT: Coppell Greens, Phase I, Coppell, Texas Project NO.: 0771-2275 SAMPLE DATE: July 7, 1998 CONTRACTOR: TICKET NO.: AMBIENT TEMP. (°F): CONCRETE TEMP. (°F) (ASTM C-1064): TIME BATCHED: TIME SAMPLED: WEATHER CONDITION: LOCATION OF PLACEMENT: Site Concrete CONCRETE SUPPLIER: Site 87 PLANT/TRUCK: Site 90 MIX ID NUMBER: 3500 9:30 AIR (%) (ASTM C-231) : 5/147.6 9:45 WATER ADDED (gal): 0 Partly cloudy SLUMP (in.) (ASTM C-143) : 2.5 Paving: Fallkirk Drive, station 16+50 CONCRETE CYLINDER COMPRESSIVE STRENGTH TESTS Standard 6" x 12", 28.27 square inches TOTAL COMPRESSIVE REQUIRED COMPRESSIVE CYLINDER AGE DATE LOAD STRENGTH STRENGTH NUMBER (days) TESTED (pounds) (psi) (psi) CGS 13 7 07/14/98 114000 4032 3000/28 days CGS 14 28 08/04/98 86000 3042 CGS 15 28 08/04/98 84000 2971 CGS 16 56 09/01/98 90000 3183 Fracture mode is (A) unless otherwise noted Specifications: Making & ASTM C-31 Testing ASTM C-143, Types of ® ~ ® Curing: Methods: ASTM C-39 Fracture: A D C B REMARKS: "Does not meet required compressive strength at 28 days. Technician: Larry Wise FUGRO SOUTH, INC. Checked By: SMH/rm Distribution: Eastern Development -Preston Skaggs Metro-Plex Excavating -Paul Bosco City of Coppell -Larry Davis