Duke Lesley 2A-LR070913
Rone Engineering
.
Client:
Duke Construction, LP
14241 Dallas Pk ,Ste 1000
Dallas, T 54- 6
Project:
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
~ }-11 Report No.: 295534
Of Z II ,... Project No.: 0712932
/J A ~te of Service: 08/14/2007
V /Report Date: 09/13/2007
c s, perform required testing, cast compressive strength samples and bring
sting In accordance with applicable standards.
PROJECT DATA
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
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
.S"! M C-231
ASTM C-1064
ASTM C-138
ASTM C-39
Mix Design I.D.: 7751 PW
Placement Date: 08/14/2007
Weather Conditions: Clear
Time Sampled: 12:15pm
Temperature - Air: 1000F
Truck No: 104
Air Content: NA
Overall Placement Location:
Drilled piers B/2, C/2, 0/2, E/2, F/2, G/2, K/3, H/2, J/2, K/2
Measured
Slump
(inches)
6.0
Batch time: 11:41 am
Concrete: 960F
Ticket No: 13053
Unit Weight (pcf): NA
Sample Location:
Grid lines AJ1, H/2, G/2
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 08/21/2007 7 6.00 28.27 73,650 2,600 Unbonded Cap
1 2 09/11/2007 28 6.00 28.27 101,630 3,590 Cone/Split
1 3 09/11/2007 28 6.00 28.27 105,190 3,720 Cone/Split
Average 3,660
4 10/09/2007 56
Technician: Alejandro Avendano Rone Engineering
See Report 295533 for technician time~~
Report Distribution:
0';9' ?,":~ ;;,~~~t'"cl;O". LP (0,,,,,. TX) Att"' M,. P,"' Bym, . . .... ..'
1-cc Potter Concrete Attn: Mr. Ryan Skelly K. Scott Watson, AET
1-cc City of Coppell Alln: Mr. Lee Stone. Pro'eet Manager
1-cc City of Coppell Alln: Mr. Larry DaVIS J
~
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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