Duke Lesley 2A-LR071004
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.: 296266
Project No.: 0712932
Date of Service: 08/21/2007
Report Date: 10/04/2007
Project: Hemisphere's at Point West
Coppell, Texas
Services: Obtain samples of fresh concrete at the placement iocations, 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: Potter Concrete
Plant: 01
Specification Requirements
Strength: 3,000 psi @ 28 days
Slump (in.): NA
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
PROJECT DATA
Mix Design 1.0.: 7751 PW
Placement Date: 08/21/2007
Weather Conditions: Partly cloudy, windy
Time Sampled: 08:56am Batch time: 08:19am
Temperature - Air: 840F Concrete: 910F
Truck No: 141 Ticket No: 13096
Air Content: 1.9% Unit Weight (pet): NA
Overall Placement Location:
Building piers 0, E, F, I, H/3, H, i, J/4, J/2, I, H, GIS, G, F/4
Measured
Slump
(inches)
6.25
Sample Location:
Pier 0/3 1 0' from bottom
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) (in2) (Ibs) (psi) Type
1 1 08/28/2007 7 6.00 28.27 98,350 3,480 Unbonded Cap
2 09/18/2007 28 6.00 28.27 130,640 4,620 Cone/Split
3 09/18/2007 28 6.00 28.27 123,310 4,360 Cone/Split
Average 4,490
1 4 10/16/2007 56
Remarks: Pier J/2 placed, but will not be load-bearing due to incident during removal of case.
Technician: Chris Harbour Rone Engineering
See Report 296265 for technician time~~
Report Distribution: -~
Orig: ~~:~ ;oop:~truction, LP (Dallas, TX) Attn: Mr. Paul Byrne . .... . .... ..... . .. ~.
1-cc Potter Concrete Attn: Mr. Ryan Skelly K Scott Watson AET
1-cc City of Coppell Attn: Mr. Lee Stone . p . t M '
.' rOJee anager
1-cc City of Coppell Attn: Mr. Larry DavIs
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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