Duke Lesley 2A-LR080218
Rone En~=a
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.: 308805
Project No.: 0712932
Date of Service: 12/21/2007
Report Date: 02/18/2008
Project: Hemisphere's at Point West -:lj",
Coppell, Texas 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: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 6%
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.: 7753 PW
Placement Date: 12/21/2007
Weatt,er Conditions: Sunny
Time Sampled: 08:45am
Temperature - Air: 570F
Truck No: 104
Air Content: 6.0%
Overall Placement Location:
Southwest ramp
Batch time: 08:23am
Concrete: 560F
Ticket No: 17772
Unit Weight (pcf): NA
Measured
Slump
(inches)
5.5
Sample Location:
30' south, 20' east from northwest corner of ramp
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 12/28/2007 7 6.00 28.27 107,470 3,800 Type5
1 2 01/18/2008 28 6.00 28.27 136,050 4,810 Type6
1 3 01/18/2008 28 6.00 28.27 133,040 4,710 Type3
Average 4,760
1 4 02/15/2008 56 6.00 28.27 148,000 5,230 Type2
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>< / '" .' -.~ .-..-....
--.--- -- --
':~] [~] [J I~] [~'l
Type 1
Type 2 Type 3 Type 4
Type 5
Type 6
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.: 308805
Project No.: 0712932
Date of Service: 12/21/2007
Report Date: 02/18/2008
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 6%
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.: 7753 PW
Placement Date: 12/21/2007
Weather Conditions: E unny
Time Sampled: 10:10am
Temperature - Air: 5850F
Truck No: 130
Air Content: 6.0%
Overall Placement Location:
Southwest ramp
Batch time: 09:55am
Concrete: 560F
Ticket No: 9979
Unit Weight (pet): NA
Measured
Slump
(inches)
4.5
Sample Location:
50' south, 40' west from northeast corner of ramp
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 12/28/2007 7 6.00 28.27 117,580 4,160 Type5
2 2 01/18/2008 28 6.00 28.27 157,280 5,560 Type2
2 3 01/18/2008 28 6.00 28.27 156,520 5,540 Type3
Average 5,550
2 4 02/15/2008 56 6.00 28.27 183,270 6,480 Type2
~~EJ [9JQ] ~ [SJ [][=J [='1
Type 1
Type 2 Type 3 Type 4
Type 5
Type 6
Finished: 11 :45am
Technician: Danny Howard Started: 07:30am
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Atln: Mr. Paul Byrne
(1-ec copy)
1-cc Potter Concrete Alln: Mr Ryan Skelly
1-cc City of Coppell Alln: Mr. Lee Stone
1-cc City of Coppell Alln: Mr. Larry Davis
Rone Engineering
P-~
;:;:>
K. Scott Watson, AET
Project Manager
LIMITATION S: 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 persorls 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