Gateway BP(3.1)-LR080109
Rone Engineering
.
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.: 305356
~"' Project No.: 0712786
" Date of Service: 11/13/2007
V ;. A~eport Date: 01/09/2008
Project: Gateway Business Center / J~J~VI
Coppell, Texas II ~
Services: Obtain samples of fresh concrete at the placement locations, perform reqUlrelf'ting, cast compressive strength samples and bring
Client:
Transwestern Commercial Services
5001 Spring Valley
Dallas, TX 75244
samples back to the laboratory for curing and testing in accordance with applicable standards.
Contractor: Constructors & Associates
Concrete Supplier: Redi-Mix
Plant: 259
Specification Requirements
Strength: 3,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 4% - 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 1.0.: 330J1504
Placement Date: 11/13/2007
Weather Conditions: Partly cloudy
Time Sampled: 02:00pm Batch time: 12:07pm
Temperature - Air: 800F Concrete: 800F
Truck No: 1345 Ticket No: 59017164
Air Content: 2.0% Unit Weight (pet): NA
Overall Placement Location:
Sidewalk
Measured
Slump
(inches)
7.25
Sample Location:
Sidewalks, south side of buildings 1 and 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 11/20/2007 7 6.00 28.27 66,100 2,340 Cone/Shear
1 2 12/11/2007 28 6.00 28.27 95,530 3,380 Cone/Split
1 3 12/11/2007 28 6.00 28.27 91,370 3,230 Cone/Shear
Average 3,310
4 01/08/2008 56 6.00 28.27 113,040 4,000 Cone/Split
Remarks: Water added at site: 15 gallons
flt~
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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