Duke Lesley 2A-LR070905
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.: 297760
Project No.: 0712932
Date of Service: 09/04/2007
Report Date: 09/05/2007
Project: Hemisphere's at Point West
Coppell, Texas
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 Req u irements
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
A-8TM C )3 j
ASTM C-1064
ASTM C-138
ASTM C-39
Batch time: 08:55am
Concrete: 840F
Ticket No: 13287
Unit Weight (pcf): NA
Measured
Slump
(inches)
7.0
Mix Design I.D.: 7751 PW
Placement Date: 09/04/2007
Weather Conditions: Light rain
Time Sampled: 09:20am
Temperature - Air: 790F
Truck No: 138
Air Content: NA
Overall Placement Location:
3 Pier caps J.210.9/1.1, K.9-L.1/1.95-2, K.9-L.1/3, building piers B/16-21, C/17-21, 1/17,
18, J/17-19
Sample Location:
Building pier B16
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 09/11/2007 7 6.00 28.27 94,510 3,340 Shear
1 2 09/11/2007 7 6.00 28.27 93,400 3,300 Shear
Average 3,320
3 10/02/2007 28
4 10/02/;;'007 28
5 10/30/2007 56
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.
(KW/KW) Page 1 of 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.: 297760
Project No.: 0712932
Date of Service: 09/04/2007
Report Date: 09/05/2007
Project: Hemisphere's at Point West
Coppell, Texas
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: 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
p'3TI\I~ (:-231
ASTM C-1064
ASTM C-138
ASTM C-39
Batch time: 02:23pm
Concrete: 930F
Ticket No: 7320
Unit Weight (pcf): NA
Measured
Slump
(inches)
6.5
Mix Design I.D.: 7751 PW
Placement Date: 09/04/2007
Weather Conditions: Light rain
Time Sampled: 03:10pm
Temperature - Air: 890F
Truck No: 104
Air Content: NA
Overall Placement Location:
3 Pier caps J.2/0.9/1.1, K.9-L.1/1.95-2, K.9-L.1/3, building piers B/16-21, C/17-21, 1/17,
18, J/17-19
Sample Location:
Building pier 1/17
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
2 1 09/11/2007 7 6.00 28.27 112,330 3,970 Shear
2 2 09/11/2007 7 6.00 28.27 104,390 3,690 Cone/Split
Average 3,830
2 3 10/02/2007 28
2 4 10/02/2007 28
2 5 10/30/2007 56
Technician: Chris Harbour Rone Engineering
See Report 297759 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. Project Manager
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.
(KW/KW) Page 2 of 2