Duke Lesley 3C-LR071010 (2)
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.: 300429
Project No.: 0711530
Date of Service: 09/29/2007
Report Date: 10/10/2007
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
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 01
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 5" maximum
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
Mix Design I.D.: 7752PW
Placement Date: 09/29/2007
Weather Conditions: Clear
Time Sampled: 07:12am
Temperature - Air: 760F
Truck No: 136
Air Content: NA
Overall Placement Location:
Southeast approach off Beltline Road/Center East approach off Beltline Road
Batch time: 07:08am
Concrete: 830F
Ticket No: 14117
Unit Weight (pet): NA
Measured
Slump
(inches)
4.5
Sample Location:
Tie-in approach to paving off Beltline Road
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
92,600
Cylinder
Marked Date
Set No. Tested
1 1 10/06/2007
1 2 10/27/2007
1 3 10/27/2007
4 11/24/2007
Age
(days)
7
Diameter
(in)
6.00
28
28
56
Technician: Jason Shipe
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 Attn: Mr. Larry Davis
Compressive
Strength
(psi)
3,280
Fracture
Type
Shear
Area
(in')
28.27
Started: 06: 15am Finished: 09:00am
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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