Duke Lesley 3C-LR071018
Rone En~~
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 Freldrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 301736
Project No.: 0711530
Date of Service: 10/10/2007
Report Date: 10/18/2007
Project: Point West Office I
Services: Test compressive strength test specimens prepared by others and picked up at the jobsite.
PROJECT DATA
Contractor: Duke Construction, LP
Concrete Supplier: NA
Plant: NA
Specification Req u irements
Strength: 3,500 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
Mix Design 1.0.: NA
Placement Date: 10/09/2007
Weather Conditions: NA
Time Sampled:
Temperature - Air:
Truck No: NA
Air Content: NA
Overall Placement Location:
Red stamp concrete in median
Measured
Slump
(inches)
Batch time:
Concrete:
Ticket No: NA
Unit Weight (pcf): 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 10/16/2007 7 6.00 28.27 96,440 3,410 Shear
1 2 11/06/2007 28
1 3 11/06/2007 28
1 4 12/04/2007 56
Remarks: All information other than concrete compressive strength test results was provided by the contractor and
assumed to be correct.
Technician: Dane Campbell Rone Engineering
See Report 301685 for technician time~ ~
Report Distribution: ~
0"9' O,k. Co,,'ru"'O". LP (Oall... TX) An" M,. p", .,m. .' .' - -
(1-ec copy)
1-cc Polter Concrete Altn: Mr. Ryan Skelly K. Scott Watson, AET
1-cc City of Coppell Altn: Mr. Lee Stone . ProJ'ect Manager
1-cc City of Coppell Altn: 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 1 of 1
Rone Eni==
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.: 296252
Project No.: 0711530
Date of Service: 08/21/2007
Report Date: 10/18/2007
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.
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
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
Time Sampled: 11 :35am Batch time: 11 :04am
Temperature - Air: 870F Concrete: 920F
Truck No: 127 Ticket No: 13101
Air Content: NA Unit Weight (pcf): NA
Overall Placement Location:
See Drilled Pier inspection
Measured
Slump
(inches)
6.5
Sample Location:
Pier PIg
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 65,650 2,320 Unbonded Cap
1 2 09/18/2007 28 6.00 28.27 85,180 3,010 Cone/Split
1 3 09/18/2007 28 6.00 28.27 82,190 2,910 Cone/Split
Average 2,960 *
1 4 10/16/2007 56 6.00 28.27 93,390 3,300 Cone/Shear
* Does not comply with specified strength
Technician: Gary Kamrath
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Altn: Mr. Brian Pierce (1-cc copy)
1-cc City of Coppell Altn: Mr. Lee Stone
1-cc City of Coppell Altn: Mr. Larry Davis
Rone Engineering
soeR.Port296251to't.OhO.,.o"m., ~ ~
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.
(CH/KW) Page 1 of 1