Duke Lesley-LR070831
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.: 296643
Project No.: 0612510
Date of Service: 08/23/2007
Report Date: 08/31/2007
Project: Lesley Infrastructure
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:
Concrete Supplier: LMC
Plant: 3
Specification Requirements
Strength: 4,200 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
. -- T~ _ - ~ . = -.,~ - -
ASTM C-138
ASTM C-39
Batch time: 03:20pm
Concrete: 920F
Ticket No: 3235714
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.0
Mix Design I.D.: 1701
Placement Date: 08/23/2007
Weather Conditions: Clear
Time Sampled: 04: 15pm
Temperature - Air: 850F
Truck No: 5023
Air Content: 2.6%
Overall Placement Location:
Inlet tops, gridlines C-5, Station 0+06.12, gridlines A-2/A-1 , Station 0+13.23 to
0+61.96, inet throats, gridlines (cont)
Sample Location:
Grid lines A-2/A-1, Station 0+13.23 to 0+61.96
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 08/30/2007 7 6.00 28.27 122,540 4,330 Unbonded Cap
2 09/20/2007 28
3 09/20/2007 28
1 4 10/18/2007 56
Remarks: Cont: E-2, Station 0+13.28 to 0+07.37, gridlines C-2, Station 0+58.95, gridlines B-3, Station 0+08.21, gridlines
B-4, Station 0+13.28
Started: 01 :30pm Finished: 06: 15pm Rone Engineering
P$.~
Technician: Montreal Bailey
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Attn: Mr. Alex Bennett PE (1-ec copy)
1-ec Lacy Construction Alln: Mr. Kevin Briles
1-cc City of Coppell Alln: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
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.
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