Duke Lesley-LR071017
Rone En~~
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 Freldrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 301359
Project No.: 0612510
Date of Service: 10/08/2007
Report Date: 10/17/2007
Project: Lesley Infrastructure
Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring
samples back to the laboratory for curing and testing in accordance with applicable standards.
PROJECT DATA
Contractor:
Concrete Supplier: TXI
Plant: NA
Specification Requirements
Strength: 3,500 psi @ 28 days
Slump (in.): 4" maximum
Air (%): 3% - 6%
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
Measured
Slump
(inches)
4.0
Mix Design 1.0.: 68274
Placement Date: 10/08/2007
Weather Conditions: Partly cloudy, calm
Time Sampled: 11:15am Batch time: 10:29am
Temperature - Air: 810F Concrete: 880F
Truck No: 1062 Ticket No: 547559
Air Content: 3.4% Unit Weight (pet): NA
Overall Placement Location:
Paving, center median/island on Dividend Dr., 5th island, west of southbound Beltline
Rd., 8' west from (cont)
Sample Location:
Same as above
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
106,810
Cylinder
Marked Date
Set No. Tested
1 1 10/15/2007
1 2 11/05/2007
1 3 11/05/2007
4 12/03/2007
Age
(days)
7
Diameter
(in)
6.00
28
28
56
Area
(in2)
28.27
Compressive
Strength
(psi)
3,780
Fracture
Type
Shear
Remarks: Cont east end of median island (stamped concrete)
Water added at site: 10 gallons
Started: 09:30am Finished: 12:15pm Rone Engineering
p~~
Technician: Pat Parks
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Alln: Mr. Alex Bennell PE (1-ec copy)
1-ec Lacy Construction Alln: Mr. Kevin Briles
1-cc City of Coppell Alln: Mr. Lee Stone
1-cc City of Coppell Alln: Mr. Larry Davis
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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