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WA9302-LR 960208 (2)[''EOTECHNICALE I GEE Consultants, Inc. E NVIRONMENTAL 2540 Glenda Lane · Suite 108 · Dallas, Texas 75229 · (214) 620-9791 · Fax (214) 620-9794 REPORT OF CONCRETE MIX INSPECTION Report Date: February 8, 1996 Date Concrete Placed: January 9, 1996 Standard 6"x12" Client: Natgun Corporation Area 28.27 Square Inches Project: 6.0 Million Gallon Water Storage Tank Concrete Report No.: 99 Contractor: Natgun Corporation Project No.: 95 -0258 Concrete Supplier and Ram: RediMix Concrete - Plant #1 Location of Placement: Wall Panel MATERIALS so.,~/ .a~ W.. INSPECTION DATA Description (Lbs ./Cu. Yd) Mix Number: 685 Time Sample Batched: 9:30 am Cement: Time Sampled: 10:50 am Fly Ash: Sample Location: WB-3 Truck/Ticket No: 172/17567 Coarse Aggregate: Temperature: Intermediate Aggregate: Ambient Range: 48°F Fine Aggregate: Concrete Range: 54°F Admixtures: Slump Range (inches): 8" Weather Conditions: Clear 1 Time Started: 9:15 am 2 Time Completed: 6:00 pm Added Water: 10 gal. Sample Air Content (%): 7% Total Cubic Yards Placed: 10 C.Y. Required Strength (Lbs./sq.in.): 5,000 psi Specimen Measured Age Date Total Load Compressive Strength Remarks Number Slump (in.) (Days) Tested (Lbs.) (Lbs./Sq. In.) CWT 353 8" 7 01 / 16/96 130,740 4,620 Slump' before super plasticizer was CWT 354 8" 28 02/06/96 172,060 6,090 2~" CWT 355 8" 28 02/06/96 165,420 5,850 CWT 356 8" Hold Hold Test Methods Utilized Fracture Regular ASTM C-31.,C-39,C-143 (Unless Noted Otherwise) Cylinders Made By: P.C. Remarks a~d/or Distribution: cc: Mr. Larry Davis - City of Coppell Mr. Bob Barbarisi, Jr. - Natgun Corporation Mr. Gary Hendricks - Shimek, Jacobs and Finklea ~ C?~ms~lauls, ~ Reviewed by.~~