Duke Lesley-LR070926
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 Test
Report No.: 298569
Project No.: 0612510
Date of Service: 09/13/2007
Report Date: 09/26/2007
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.
Contractor:
Concrete Supplier: TXI
Plant: 131
Specification Requirements
Strength: 3,600 psi @ 28 days
Slump (in.): 3" - 5"
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
PROJECT DATA
Mix Design I.D.: 8274
Placement Date: 09/13/2007
Weather Conditions: Cloudy
Time Sampled: 10:30am
Temperature - Air: 860F
Truck No: 1572
Air Content: 4.5%
Overall Placement Location:
"Red" stamped concrete median noses
Batch time: 09:35am
Concrete: 900F
Ticket No: 528602
Unit Weight (pet): NA
Measured
Slump
(inches)
5.0
Sample Location:
Median nose at Beltline/Dividend intersection and median Stations 43+00 and 44+25
REPORT OF TESTS
Cylinder
Marked Date
Set No. Tested
1 1 09/20/2007
1 2 10/11/2007
1 3 10/11/2007
1 4 11/08/2007
Age
(days)
7
Diameter
(in)
6.00
28
28
56
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
110,440
Compressive
Strength
(psi)
3,910
Fracture
Type
Cone/Split
Area
(in')
28.27
Started: 09:30am Finished: 11 :30am
Technician: Denny Harris
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Attn: Mr. Alex Bennett PE (1-ec copy)
1-ec Lacy Construction Attn: Mr. Kevin Briles
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
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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