Duke Lesley 1A-LR071026
Rone En2==
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 Freidrlch, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 300163
Project No.: 0713408
Date of Service: 09/27/2007
Report Date: 10/26/2007
Project: Point West VI
Coppell, Texas
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: LMC
Plant: 7
Specification Requirements
Strength: 4,200 psi @ 28 days
Slump (in.): 2" - 4"
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
PROJECT DATA
Mix Design I.D.: 1851
Placement Date: 09/27/2007
Weather Conditions: Sunny
Time Sampled: 04:55pm
Temperature - Air: 960F
Truck No: 5016
Air Content: NA
Overall Placement Location:
Stations 1+62.85 and 0+00 manhole
Batch time: 04: 13pm
Concrete: 960F
Ticket No: 7182885
Unit Weight (pet): NA
Measured
Slump
(inches)
2.0
Sample Location:
Station 0+00
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 10/04/2007 7 6.00 28.27 119,420 4,220 Cone/Split
2 10/25/2007 28 6.00 28.27 143,420 5,070 Cone/Split
3 10/25/2007 28 6.00 28.27 144,210 5,100 Cone/Split
Average 5,090
1 4 11/22/2007 56
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX)
Alln: Mr. Emmit Coots (1-ec copy)
1-cc Potter Concrete Alln: Mr. Ryan Skelly
1-cc Pacheco Koch Consulting Engineers Altn: Mr. Jack Evans
1-cc City of Coppell Alln: Mr. Larry Davis
1-cc City of Coppell Alln: Mr. Lee Stone
Rone Engineering
See R.port 300139 f" !ooh";,;" !;m. ~. . ~
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K. Scott Watson, AET
Project Manager
Technician: Denny Harris
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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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