ST9301-LR060920 Ro n e 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 -9745
CONCRETE COMPRESSIVE STRENGTH TEST
Client: City of Coppell Report No.: 264030
Ms. Suzan Taylor Project No.: 0611391
PO Box 9478 Date of Service: 08/17/2006
Coppell TX 75019 Report Date: 09/20/2006
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 LD.: 1261 MEASURED
SLUMP
CONCRETE SUPPLIER: Lattimore Materials PLACEMENT DATE: 08/17/2006 (inches)
PLANT: 7 WEATHER CONDITIONS: Mostly sunny 4.0
SPECIFICATION REQUIREMENTS TIME SAMPLED: 9:2Oam BATCH TIME: 8:26am
STRENGTH: 3000 psi @ 28 Days TEMPERATURE (F) - AIR 88 F CONCRETE: 97 F
SLUMP (in): 3"-5" TRUCK NO: 7034 TICKET NO: 7169495
AIR ( %): 4% - 6% AIR CONTENT ( %): 4.5 UNIT WEIGHT (pct): NA
TEST METHOD: ASTM C -172 OVERALL PLACEMENT LOCATION:
ASTM C -31 Sidewalk (300 linear feet) at eastbound Sandy Lake Road, paving, Station 60 +80 to 63 +80
except 9.1.2
ASTM C -143
ASTM C -231
ASTM C -1064
ASTM C -1231 SAMPLE LOCATION: Paving, Station 62 +80 to 63 +80
ASTM C -39 REPORT OF TESTS
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 08/24/2006 7 6.00 28.26 77620 2740 Unbonded Cap
1 2 09/14/2006 28 5.99 28.17 100050 3550 Unbonded Cap
1 3 09/14/2006 28 5.99 28.17 107990 3830 Unbonded Cap
Average 3690
1 4 Hold
Water at site: 10 gallons
See Report #264002 for technician time.
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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