Duke Lesley 3C-LR080211
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.: 312403
Project No.: 0711530
Date of Service: 02/01/2008
Report Date: 02/11/2008
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.
PROJECT DATA
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 3,000 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
Batch time:
Concrete: 620F
Ticket No: 1~ 141
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.5
Mix Design 1.0.: 7550PW
Placement Date: 02/01/2008
Wr.ather Conditions: Sunny
Time Sampled: 10:00am
Temperature - Air: 540F
Truck No: 137
Air Content: 7.5%
Overall Placement Location:
Sidewalks, Dividend and Beltline, north and east of Point West 2, city sidewalks
Sample Location:
Northeast and southeast corner of Dividend and Beltline
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 02/08/2008 7 6.00 28.27 109,770 3,880 Type2
1 2 02/29/2008 28
1 3 02/29/2008 28
4 03/28/2008 56
~tJ ~[g ~ lJ DO D
Type 1
Type 2
Type 3 Type 4
Type 5
Type 6
Started: 09:30am Finished: 11 :OOam
Technician: Alejandro Avendano
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Attn: Mr. David Miller (1-ec copy)
1-ec Duke Construction, LP Attn: Mr. Jason Sulzener
1-cc City of Coppell Attn: Mr. Larry Davis
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc Potter Concrete Attn: Mr Ryan Skelly
Rone Engineering
ft~~
K. Scott Watson, AET
Project Manager
LIMITATIONS: The test resulls 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.
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