WA9302-LR 960109[EOTECHN ICAL
E I GEE Consultants, Inc.
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[NVIRONMENTAL
2540 Glenda Lane · Suite 108 · Dallas, Texas 75229 · (214) 620-9791 · Fax (214) 620-9794
REPORT OF CONCRETE MIX INSPECTION
Report Date: January 9, 1996 Date Concrete Placed: December 9, 1995 Standard 6"x12"
Client: City of Coppell Area 28.27 Square Inches
Project: 6.0 Million Gallon Water Storage Tank concrete Report No.: 50
Contractor: Natgun Construction Project No.: 95-0196
Concrete Supplier and Plant: RediMix Concrete - Plant #5
Location of Placement: Slab
MATERIALS s ..../ ~h ~. INSPECTION DATA
Description (Lbs./Cu. Yd)
Mix Number: 685 Time Sample Batehed: 12:10 pm
Cement: Time Sampled: 1:00 pm
Fly Ash: Sample Location: K-6
Track/Ticket No: 141/55688
Coarse Aggregate: Temperature:
Intermediate Aggregate: Ambient Range: 34°F
Fine Aggregate: Concrete Range: 51 oF
Admixtures: Slump Range (inches): 9"
Weather Conditions: Overcast
I Super plasticizer Time Started: 5:30 am
2 Time Completed: 9:00 pm
Added Water: Sample Air Content (%): 31/2%
Total Cubic Yards Placed: 135 C.Y.
Required Strength (Lbs./sq.in.): 5,000 psi
Specimen Measured Age Date Total L~d Compresslye Strength Remarks
Number Slump (in.) (Days) Tested (Lbs.) (Lbs./Sq.ln.)
CWT 199 9" 8 12/17/95 99,900 3,530
CWT 200 9" 28 01/06/96 118,900 4,210
CWT 201 9" 28 01/06/96 125,080 4,420
T6st Methods Ut~ Fracture Regular
ASTM C-31,C-39,C-143 CCnl~s Noted Otherwise) Cylinders Made By: D.S.
Remarks m,tl/or Dis~bution:
Note: Called Jim of Natgun on January 8, 1996 and told him about the low breaks.
cc: Mr. Larry Davis - City of Coppell
Mr. Bob Barbarisi, Jr. - Natgun Corporation
Mr. Gary Hendrieks - Shimek, Jacobs and FinIdea
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