Duke Lesley 3C-LR070829
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.: 293759
Project No.: 0711530
Date of Service: 07/27/2007
Report Date: 08/29/2007
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: LMC
Plant: 7
Specification Requirements
Strength: 4,200 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 1.0.: 1701
Placement Date: 07/27/2007
Weather Conditions: Calm, cloudy
Time Sampled: 03:15pm Batch time: 02:29pm
Temperature - Air: 890F Concrete: 920F
Truck No: 7053 Ticket No: 7180377
Air Content: 4.6% Unit Weight (pcf): NA
Overall Placement Location:
Junction box at Station 1 +20
Measured
Slump
(inches)
4.25
Sample Location:
Station 1+20
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 08/03/2007 7 6.00 28.27 102,030 3,610 Unbonded Cap
1 2 08/24/2007 28 6.00 28.27 116,900 4,130 Unbonded Cap
1 3 08/24/2007 28 6.00 28.27 128,760 4,550 Unbonded Cap
Average 4,340
4 09/21/2007 56
Technician: Ben Weaverling Started: 02:30pm
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne
(1-ec copy)
1-cc Potter Concrete Attn: Mr. Ryan Skelly
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc City of Coppell AUn: Mr. Larry Davis
Finished: 04:00pm 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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