Gateway BP(3.1)-LR071022 (3)
Rone Engineering
.
Client:
Transwestern Commercial Services
5001 Spring Valley
Dallas, TX 75244
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.: 298445
Project No.: 0712786
Date of Service: 09/12/2007
Report Date: 10/22/2007
Project: Gateway Business Center
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: Constructors & Associates
Concrete Supplier: LMC
Plant: LMC
Specification Requirements
Strength: 3,600 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
PROJECT DATA
Mix Design I.D.: 1551
Placement Date: 09/12/2007
Weather Conditions: Cloudy, calm
Time Sampled: 02:05pm Batch time: 01:13pm
Temperature - Air: 850F Concrete: 920F
Truck No: 7025 Ticket No: 179325
Air Content: 4.2% Unit Weight (pet): NA
Overall Placement Location:
10' curb inlet, Station 7+00.9, LN A-2
Measured
Slump
(inches)
4.75
Sample Location:
Station 7+00.9 LN A-2
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 09/19/2007 7 6.00 28.27 91,660 3,240 Cone/Split
1 2 09/26/2007 14 6.00 28.27 112,100 3,960 Cone/Split
1 3 10/10/2007 28 6.00 28.27 122,040 4,320 Shear
1 4 10/10/2007 28 6.00 28.27 124,220 4,390 Shear
Average 4,350
Remarks: Water added at site: 5 gallons
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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