Duke Lesley 3C-LR071227
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.: 303274
Project No.: 0711530
Date of Service: 10/27/2007
Report Date: 12/27/2007
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.
PROJECT DATA
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
Specification Requirements
Strength: 5,000 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.: 9385
Placement Date: 10/27/2007
Weather Conditions: Sunny
Time Sampled: 08:45am
Temperature - Air: 530F
Truck No: 125
Air Content: 2.2%
Overall Placement Location:
Panel #68
Measured
Slump
(inches)
6.5
Batch time: 08:12am
Concrete: 730F
Ticket No: 8319
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) (in2) (Ibs) (psi) Type
1 1 10/30/2007 3 6.00 28.27 106,310 3,760 Cone/Split
1 2 10/30/2007 3 6.00 28.27 102,560 3,630 Cone/Split
Average 3,690
1 3 11/03/2007 7 6.00 28.27 126,390 4,470 Shear
1 4 11/24/2007 28 6.00 28.27 176,440 6,240 Cone/Split
1 5 11/24/2007 28 6.00 28.27 177,530 6,280 Cone/Split
Average 6,260
1 6 12/22/2007 56 6.00 28.27 188,830 6,680 Cone/Split
Finished: 09:45am
Technician: Alejandro Avendano Started: 08:00am
Report Distribution:
Orlg: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne
(1-ec copy)
1-cc Potter Concrete Attn: Mr Ryan Skelly
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
Rone Engineering
Pad- ~
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
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.: 303109
Project No.: 0711530
Date of Service: 10/26/2007
Report Date: 12/27/2007
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: On site
Specification Requirements
Strength: 4,000 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
PROJECT DATA
Mix Design 1.0.: 9385
Placement Date: 10/26/2007
Weather Conditions: Sunny
Time Sampled: 09:30am
Temperature - Air: 580F
Truck No: 118
Air Content: NA
Overall Placement Location:
Spandle panels SP41 , SP42, SP90, SP91
Batch time: 09: 13am
Concrete: 740F
Ticket No: 8221
Unit Weight (pet): NA
Measured
Slump
(inches)
4.75
Sample Location:
Panels SP41 , SP42
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 10/27/2007 1 6.00 28.27 71,930 2,540 Cone/Split
2 10/28/2007 2 6.00 28.27 100,550 3,560 Cone/Split
1 3 11/02/2007 7 6.00 28.27 138,960 4,910 Cone/Split
1 4 11/23/2007 28 6.00 28.27 193,810 6,850 Shear
1 5 11/23/2007 28 6.00 28.27 193,590 6,850 Cone/Split
Average 6,850
1 6 12/21/2007 56 6.00 28.27 203,210 7,190 Shear
Technician: Bruce Eberts Started: 09:30am
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne
(1-ec copy)
1-cc Potter Concrete Attn: Mr Ryan Skelly
1-cc City of Coppall Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
Finished: 10:30am
Rone Engineering
p~.~
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.
(CHIKW) Page 1 of 1