Duke Lesley 3C-LR071017
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.: 298904
Project No.: 0711530
Date of Service: 09/17/2007
Report Date: 10/17/2007
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: 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
Mix Design I.D.: 7751 PW
Placement Date: 09/17/2007
Weather Conditions: Sunny
Time Sampled: 10:20am
Temperature - Air: 860F
Truck No: 134
Air Content: NA
Overall Placement Location:
Point West One, F.8/01 Pier
Measured
Slump
(inches)
6.0
Batch time: 09:33am
Concrete: 820F
Ticket No: 7401
Unit Weight (pet): NA
Sample Location:
Pier F.8/01
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 09/24/2007 7 6.00 28.27 97,590 3,450 Cone/Split
1 2 10/15/2007 28 6.00 28.27 131,540 4,650 Cone/Split
1 3 10/15/2007 28 6.00 28.27 131,910 4,670 Cone/Split
Average 4,660
1 4 11/12/2007 56
Technician: Denny Harris Rone Engineering
See Report 298872 for technician time~ ~
Report Distribution:. . ~
Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne .
(1-ec copy)
1-cc P~tter Concrete Attn: Mr. Ryan Skelly K. Scott Watson, AET
1-cc City of Coppell Attn: Mr. Lee Stone Project Manager
1-cc City of Coppell Attn: 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 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.: 298873
Project No.: 0711530
Date of Service: 09/17/2007
Report Date: 10/17/2007
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: 10
Specification Requirements
Strength: 3,500 psi @ 28 days
Slump (in.): 4" - 6"
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.: 7752 PW
Placement Date: 09/17/2007
Weather Conditions: Sunny
Time Sampled: 08:30am
Temperature - Air: 840F
Truck No: 134
Air Content: NA
Overall Placement Location:
East and west approach off Dividend
Batch time: 07:51 am
Concrete: 820F
Ticket No: 7396
Unit Weight (pet): NA
Measured
Slump
(inches)
6.0
Sample Location:
East and west approach off Dividend
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 09/24/2007 7 6.00 28.27 85,950 3,040 Cone/Shear
1 2 10/15/2007 28 6.00 28.27 116,240 4,110 Cone/Split
1 3 10/15/2007 28 6.00 28.27 110,930 3,920 Cone/Split
Average 4,020
4 11/12/2007 56
Technician: Denny Harris
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 Coppell Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
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.
(CH/KW) Page 1 of 1