Duke Lesley 3C-LR080229
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.: 309547
Project No.: 0711530
Date of Service: 01/03/2008
Report Date: 02/29/2008
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
1 1 01/10/2008 7 6.00 28.27 160,020 5,660
1 2 01/31/2008 28 6.00 28.27 188,480 6,670
1 3 01/31/2008 28 6.00 28.27 193,350 6,840
Average 6,750
1 4 02/28/2008 56 6.00 28.27 235,820 8,340
Contractor: Duke Construction, LP
Concrete Supplier: Potter
Plant: 10
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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
~E3 ~~ fill] t;] DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design I.D.: 7752PW
Placement Date: 01/03/2008
Weather Conditions: Cloudy
Time Sampled: 10:05am
Temperature - Air: 330F
Truck No: 137
Air Content: 5.0%
Overall Placement Location:
Paving, building 1, south side
Batch time: 09:39am
Concrete: 460F
Ticket No: 9999
Unit Weight (pet): NA
Measured
Slump
(inches)
3.0
Sample Location:
40' east from south corner
Fracture
Type
Type2
Type2
Type3
Type2
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.
(TMIKW) Page 1 of 6
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.: 309547
Project No.: 0711530
Date of Service: 01/03/2008
Report Date: 02/29/2008
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
2 1 01/10/2008 7 6.00 28.27 110,880 3,920
2 2 01/31/2008 28 6.00 28.27 137,370 4,860
2 3 01/31/2008 28 6.00 28.27 142,950 5,060
Average 4,960
2 4 02/28/2008 56 6.00 28.27 176,550 6,240
Contractor: Duke Construction, LP
Concrete Supplier: Potter
Plant: 10
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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
~t3 [2][9 fillj EJ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design 1.0.: 7752PW
Placement Date: 01/03/2008
Weather Conditions: Cloudy
Time Sampled: 11:30am
Temperature - Air: 370F
Truck No: 128
Air Content: 4.8%
Overall Placement Location:
Paving, building 1, south side
Batch time: 11: 15am
Concrete: 470F
Ticket No: 10012
Unit Weight (pcf): NA
Measured
Slump
(inches)
5.0
Sample Location:
32' south from south corner
Fracture
Type
Type2
Type5
Type2
Type2
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.
(TM/KW) Page 3 of 6
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.: 309547
Project No.: 0711530
Date of Service: 01/03/2008
Report Date: 02/29/2008
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
3 1 01/10/2008 7 6.00 28.27 145,900 5,160
3 2 01/31/2008 28 6.00 28.27 174,800 6,180
3 3 01/31/2008 28 6.00 28.27 176,820 6,250
Average 6,220
3 4 02/28/2008 56 6.00 28.27 209,830 7,420
Contractor: Duke Construction, LP
Concrete Supplier: Potter
Plant: 10
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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
r8JE3 [1][9 fJ] E:J DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design I.D.: 7752PW
Placement Date: 01/03/2008
Weather Conditions: Cloudy
Time Sampled: 01 :OOpm
Temperature - Air: 410F
Truck No: 120
Air Content: 5.1 %
Overall Placement Location:
Paving, building 1, south side
Batch time: 12:25pm
Concrete: 480F
Ticket No: 10020
Unit Weight (pet): NA
Measured
Slump
(inches)
5.0
Sample Location:
45' west from south corner
Fracture
Type
Type2
Type5
Type2
Type2
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.
(TM/KW) Page 5 of 6