ST9301-LR061004 .one Engineering 8908 Ambassador Row, Dallas, TX 75247
4221 Freidrich Lane, Ste 195, Austin, TX 78744
7701 W Little York, Ste 600, Houston, TX 77040
Corporate Phone: (214) 630 -0745
CONCRETE COMPRESSIVE STRENGTH TEST
Client: City of Coppell Report No.: 263259
Ms. Suzan Taylor Project No.: 0611391
PO Box 9478
Coppell TX 75019 Date of Service: 08/08/2006
Report Date: 10/04/2006
Project: East Sandy Lake Road
ST 93 -01 Completion
Services: Obtain samples of fresh concrete at the placement locations, perform required field testing, cast compressive strength samples and bring
samples back to the laboratory for curing and testing in accordance with applicable standards.
PROJECT DATA
CONTRACTOR: Tiseo Paving Company MIX DESIGN I.D.: 924 MEASURED
SLUMP
CONCRETE SUPPLIER: Redi -Mix PLACEMENT DATE: 08/08/2006 (inches)
PLANT: 5 WEATHER CONDITIONS: Partly cloudy 5.
SPECIFICATION REQUIREMENTS TIME SAMPLED: 11:25am BATCH TIME: 1 0:28am
STRENGTH: 4000 psi @ 28 Days TEMPERATURE (F) - AIR 96 F CONCRETE: 95 F
SLUMP (in): 4" - 6" TRUCK NO: 305 TICKET NO: 563 867
AIR ( %): 4% - 6% AIR CONTENT ( %): 2.7 UNIT WEIGHT (pct): NA
TEST METHOD: ASTM C -172 OVERALL PLACEMENT LOCATION:
ASTM C -31 Paving, crossover on Sandy Lake Road and River Chase
except 9.7.2
ASTM C -143
ASTM C -231
ASTM C -1064
ASTM C -1231 SAMPLE LOCATION: West side of crossover in front of
ASTM C -39 REPORT OF TESTS nose, red section, right at center
Concrete Compressive Cylinder 6" x 12"
CYLINDER MAXIMUM COMPRESSIVE
MARKED DATE AGE DIAMETER AREA LOAD STRENGTH FRACTURE
SET NO. TESTED (days) (inches) (sq.in.) (lbs. force) (psi) TYPE
1 1 08/15/2006 7 5.99 28.17 79380 2820 Unbonded Cap
1 2 09/05/2006 28 6.00 28.26 107150 3790 * Unbonded Cap
1 3 09/05/2006 28 6.00 28.26 101020 3570 * Unbonded Cap
Average 3680
1 4 10/03/2006 56 6.00 28.26 119440 4220 Unbonded Cap
* Does not comply with specified strength.
l
Technician: Javier Martinez Started: 10:30am Finished: 12:30pm I ' `' • ` ' .
Report ort Distribution: ' �' 4 .
(l) City of Coppell � . - .■ �i g P"
(1) City of Coppell . Scott Watson, AET
(1) Tiseo Paving Company 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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