Duke Lesley 3C-LR070917
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.: 297758
Project No.: 0711530
Date of Service: 09/04/2007
Report Date: 09/17/2007
Project: Point West Office I
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 01
Specification Requirements
Strength: 3,000 psi @ 28 days
Slump (in.): 5" - 7"
Air (%): NA
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM '>1064
ASTM C-138
ASTM C-39
PROJECT DATA
Mix Design I.D.: 7751 PW
Placement Date: 09/04/2007
Weather Conditions: Cloudy
Time Sampled: 10:50am
Temperature - Air: 800F
Truck No: 106
Air Content: NA
Overall Placement Location:
Pier Station C.9/9.9
Batch time: 10:09am
Concrete: 860F
Ticket No: 13290
Unit Weight (pet): NA
Measured
Slump
(inches)
7.0
Sample Location:
Grid line C.9/9.9
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) (in2) (Ibs) (psi) Type
1 1 09/11/2007 7 6.00 28.27 105,900 3,750 Shear
1 2 10/02/2007 28
1 3 10/02/2007 28
4 10/30/2007 56
Technician: Denny Harris Rone Engineering
See Report 297757 for technician time~~
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Alln: Mr. Paul Byrne .. ... . .
(1-ec copy) . .
1-cc P?ller Concrete Alln: Mr. Ryan Skelly K. Scott Watson, AET
1-cc City of Coppell Alln: Mr. Lee Stone p 'eel M
1-cc City of Coppell Alln: Mr. Larry Davis roJ anager
~
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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