Duke Lesley-LR070919
Rone Engineering
.
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
Client:
Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, T
Concrete Compressive Strength Test
Report No.: 295902
Project No.: 0612510
~ t.htJoate of Service: 08/16/2007
.. ()/ 'e~R/porl Dale: 09/19/2007
ent locatio ,pertoJrJ uired testing, cast compressive strength samples and bring
cordance with applicable standards.
Contractor:
Concrete Supplier: Southern Star
Plant: 110
Specification Requirements
Strength: 3,600 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
Mix Design 1.0.: 9607BA
Placement Date: 08/16/2007
Weather Conditions: Clear
Time Sampled: 04:30pm
Temperature - Air: 930F
Truck No: 712
Air Content: NA
Overall Placement Location:
Structural concrete poured for traffic signal base at T3 and T4
Measured
Slump
(inches)
4.25
Batch time: 03:41 pm
Concrete: 890F
Ticket No: 1061825
Unit Weight (pet): NA
Sample Location:
Same as above
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 08/23/2007 7 6.00 28.27 140,320 4,960 Unbonded Cap
1 2 09/13/2007 28 6.00 28.27 153,730 5,440 Shear
1 3 09/13/2007 28 6.00 28.27 159,330 5,640 Cone/Split
Average 5,540
1 4 10/11/2007 56
Remarks: Water added at site: 5 gallons
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Attn: Mr. Alex Bennett PE (1-ec copy)
1-cc City of Coppell Attn: Mr. Larry Davis
1-ec Lacy Construction Attn: Mr. Kevin Briles
1-cc City of Coppell Attn: Mr. Lee Stone
Rone Engineering
See Report 295814'" leoh"'o'" 'mep ~ ~
K, Scott Watson, AET
Project Manager
Technician: Ryan Rawlinson
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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