CF-Cozby Library-LR051219Rone Engineering
8908 Ambassador Row, Dallas, TX 75247
2696 Gravel Drive, Fort Worth, TX 76118
7701 W Little York, Ste 600, Houston, TX 77040
Corporate Phone: (214) 630-9745
CONCRETE COMPRESSIVE STRENGTH TEST
Client:
Project:
Services:
City of Coppell
Ms. Sherri Moino
PO Box 9478
Coppell TX 75019
WT Cozby Public Library
177 N Hear~z
Coppell, Texas
Report No.: 245747
Project No.: 0510866
Date of Service: 11/18/2005
Report Date: 12/19/2005
Obtain samples of fresh concrete al the placement locations, perform required field testing, cast compressive strength samples and bring
samples back to the labormory for curing and testing in accordance with applicable standards.
PROJECT DATA
MEASURED
CONTRACTOR: H-B Construction, Inc.
CONCRETE SUPPLIER: LMC
PLANT: 7
SPECIFICATION REQUIREMENTS
STRENGTH:
SLUMP (in):
AIR (%):
TEST METHOD:
3600 psi ~ 28 Days
Y'-5"
3% - 6%
ASTM C- 172
ASTM C-31 .... p~912
ASTM C-143
ASTM C-231
ASTM C-I064
ASTM C-1231
ASTM C~39
MIX DESIGN I.D.: 126 l
PLACEMENT DATE: 11/18/2005
WEATHER CONDITIONS: Clear
TIME SAMPLED: 1:35pm BATCH TIME: 12:43pm
TEMPERATURE (F)- AIR 63 F CONCRETE: 78 F
TRUCK NO: 100 TICRET NO: 7158510
AIR CONTENT (%): 3.5 UNIT WEIGHT (pcO: NA
OVERALL PLACEME LOCATION:
SAMPLE LOCATION: Far east end
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
CYLLNDER
MARRED DATE AGE DLAMETER
SET NO. TESTED (days) (inches)
1 1 11/25/2005 7 6.00
COMPRESSIVE
AREA LOAD STRENGTH
(sq.ln.) (lbs. force) (psi)
28.26 85900 3040
1 2 12/16/2005 28 6.00
1 3 12/16/2005 28 6.00
28.26 106080 3750
28.26 101720 3600
Average 3680
SLUMP
(inches)
3.5
FRACTURE
TYPE
Unbonded Cap
Unbonded Cap
Unbonded Cap
1 4 Hold
Water added at site:
Technician: Randy Nudge
Report Distribution:
(1) City of Coppell
(I) City of Coppell
(1) City of Coppell
(1) H-B Construction, Inc
5 gallons
Started: 1 l:45am
Finished: 2:30pm
CMT Operations Manager
LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing We assume no responsibthW for variation in qualiW
(composition, appearance, etc ) or any other feature of similar subject mailer 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 fidl without the written approval of Rone Engineering Services, Ltd
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