Duke Lesley-LR070503
Rone Engineering
.
Client:
Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, TX 75254-2936
8908 Ambassador Row, Dallas, TX 75247
7701 W Little York, Ste 600, Houston, TX 77040
4421 Freidrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Tes1
Report No.: 283256
Project No.: 0612510
Date of Service: 03/29/2007
Report Date: 05/03/2007
Project: Lesley Infrastructure
Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring sample~
back to the laboratory for curing and testing in accordance with applicable standards.
Contractor:
Concrete Supplier: Lattimore
Plant: 7
Specification Requirements
Strength: 3,600 psi @ 28 days
Slump (in.): NA
Air (%): NA
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM C-1064
ASTM C-138
ASTM C-39
PROJECT DATA
Mix Design 1.0.: 1701
Placement Date: 03/29/2007
Weather Conditions: Overcast, humid
Time Sampled: 01 :45pm Batch time: 11 :34am
Temperature - Air: 670F Concrete: 830F
Truck No: 1122 Ticket No: 7177041
Air Content: 1.6% Unit Weight (pct): NA
Overall Placement Location:
Manhole Station 13
Measured
Slump
(inches)
1.75
Sample Location:
Manhole Station 13
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength Fracture
Set No. Tested (days) (in) (in') (Ibs) (psi) Type
-
1 1 04/05/2007 7 6.00 28.27 107,970 3,820 Unbonded Cap
1 2 04/26/2007 28 6.00 28.27 131,500 4,650 Unbonded Cap
1 3 04/26/2007 28 6.00 28.27 130,500 4,620 Unbonded Cap
Average 4,630
1 4 HOLD
Remarks: Water Added at Site: 10 gallons
Technician: Bruce Eberts
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Attn: Mr. Alex Bennett PE (1-cc copy)
Started: 01:15pm Finished: 02:45pm Rone Engineering
p~~
K. Scott Watson, AET
Project Manager
LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality
(composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are
for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd.
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