Gateway BP(3.1)-LR080205
Rone Engineering
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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.: 307715
Project No.: 0712786
Date of Service: 12/08/2007
Report Date: 02/05/2008
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.
PROJECT DATA
Contractor: Constructors & Associates
Concrete Supplier: Osburn Ready Mix
Plant: 2
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 5" maximum
Air (%): NA
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM C-1 064
ASTM C-138
ASTM C-39
Mix Design 1.0.: 40A55
Placement Date: 12/08/2007
Weather Conditions: Cloudy
Time Sampled: 08:15am
Temperature - Air: 680F
Truck No: 2305
Air Content: 4.4%
Overall Placement Location:
Paving: North driveway from southbound Freeport Parkway
Measured
Slump
(inches)
5.0
Batch time: 07:30am
Concrete: 740F
Ticket No: 15159
Unit Weight (pcf): NA
Sample Location:
85' west from west curb on southbound Freeport Parkway in center of driveway
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 12/15/2007 7 6.00 28.27 107,660 3,810 Type5
2 01/05/2008 28 6.00 28.27 140,990 4,990 Type2
3 01/05/2008 28 6.00 28.27 142,130 5,030 Type2
Average 5,010
4 02/02/2008 56 6.00 28.27 151,510 5,360 Type2
~tj ~[g fm t] DO D
Type 1
Type 2
Type 3 Type 4
Type 5
Type 6
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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