Duke Lesley 3C-LR071221
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.: 302957
Project No.: 0711530
Date of Service: 10/25/2007
Report Date: 12/21/2007
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.
PROJECT DATA
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Maximum Compressive
Age Diameter Area Load Strength Fracture
(days) (in) (in') (Ibs) (psi) Type
1 6.00 28.27 64,550 2,280 Cone/Split
2 6.00 28.27 96,010 3,400 Cone/Split
28 6.00 28.27 186,040 6,580 Shear
28 6.00 28.27 182,810 6,470 Shear
Average 6,520
Technician: Alejandro Avendano Started: 09:30am
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne
(1-ec copy)
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc Potter Concrete Attn: Mr Ryan Skelly
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
Specification Requirements
Strength: 5,000 psi @ 28 days
Slump (in.): 3" - 5"
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
Cylinder
Marked
Set No.
- -
1 1
Date
Tested
10/26/2007
1
2
10/27/2007
3 11/22/2007
4 11/22/2007
1
5
HOLD
Mix Design I.D.: 9385PW
Placement Date: 10/25/2007
Weather Conditions: Sunny, windy
Time Sampled: 10:15am Batch time: 09:43am
Temperature - Air: 560F Concrete: 650F
Truck No: 131 Ticket No: 8140
Air Content: 2.5% Unit Weight (pcf): NA
Overall Placement Location:
Level 3, panels SP49 and SP50
Measured
Slump
(inches)
5.5
Sample Location:
Same as above
Finished: 1 0:30am
Rone Engineering
,~~
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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