Duke Lesley 3C-LR070911
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.: 297226
Project No.: 0711530
Date of Service: 08/29/2007
Report Date: 09/11/2007
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: 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
;"';7+--~= -'~ 064
ASTM C-138
ASTM C-39
Mix Design 1.0.: 7751 PW
Placement Date: 08/29/2007
Weather Conditions: Sunny
Time Sampled: 10:25am
Temperature - Air: 960F
Truck No: 117
Air Content: NA
Overall Placement Location:
Grid lines 0.9/18
Measured
Slump
(inches)
4.0
Batch time: 09:43am
Concrete: 940F
Ticket No: 13236
Unit Weight (pet): NA
Sample Location:
Grid lines 0.9/18
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 09/05/2007 7 6,00 28.27 91,160 3,220 Cone/Split
1 2 09/26/2007 28
1 3 09/26/2007 28
4 10/24/2007 56
Technician: Denny Harris Rone Engineering
See Report 297225 for technician timep ~
Report Distribution: ~
Orl" 0,," Co","","oo, LP (Dalla" TX) A'" M,. Pa" S,m, . '.. .'. ·
(1.ec copy)
1-cc Potter Concrete AUn: Mr. Ryan Skelly K. Scott Watson, AET
1-cc City of Coppell Attn: Mr. Lee Stone Pro'eel Manager
1-cc City of Coppell AUn: Mr. Larry Davis J
~
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/LB) 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.: 297380
Project No.: 0711530
Date of Service: 08/30/2007
Report Date: 09/11/2007
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 (Ufo): NA
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ABTM C-j 064 .
ASTM C-138
ASTM C-39
PROJECT DATA
Mix Design 1.0.: 7751 PW
Placement Date: 08/30/2007
Weather Conditions: Sunny
Time Sampled: 12:50pm
Temperature - Air: 960F
Truck No: 109
Air Content: NA
Overall Placement Location:
Piers, Station A/15 (see report #297379)
Batch time: 12:22pm
Concrete: 940F
Ticket No: 13261
Unit Weight (pet): NA
Measured
Slump
(inches)
7.0
Samp'le 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 09/06/2007 7 6.00 28.27 101,970 3,610 Cone/Split
1 2 09/27/2007 28
1 3 09/27/2007 28
1 4 10/25/2007 56
Technician: Denny Harris Rone Engineering
See Report 297379 for technician time~~
Report Distribution:
Orig: ~~; ;oop~~truction, LP (Dallas, TX) Attn: Mr. Paul Byme .... ... .... ...... .. .
1-cc Potter Concrete Attn: Mr. Ryan Skelly K. Scott Watson, AET
1-cc City of Coppell Attn: Mr. Lee Stone Pro'eet Manager
1-cc City of Coppell Attn: Mr. Larry Davis j
~
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.
(TMfLB) Page 1 of 1