ST9703-LR050818 one Eng neer,ng
8908 Ambassador Row, Dal}as, TX ?5247
2696 Gravel Drive, Fort Worth, TX 76118
6300 Rothway, Ste. 1S0, Houston, TX 77040
Corporate Phone: (214) 630-9745
CONCRETE COMPRESSIVE STRENGTH TEST
Client:
Project:
City of Coppell
Ms. Suzan Taylor
PO Box 9478
Coppell TX 75019
MacArthur Boulevard Widening
ST 97-03
Report No.: 239280
Project No.: 0510377
Date of Service: 08/10/2005
Report Date: 08/18/2005
Obtain samples offi'esh 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
STRENGTICI:
SLUMP (in):
AIR (%):
TEST METHOD:
CONTRACTOR: JILl Paving
CONCRETE SUPPLIER: LMC
PLANT: 7
SPECIFICATION REQUIREMENTS
3600 psi ~ 28 Days
3" maximum
4% - 6%
ASTM C-172
ASTM C-31
ASTM C-143
ASTM C-231
ASTM C-1064
ASTM C-1231
ASTM C-39
MIX DESIGN LD.: 1701
PLACEMENT DATE: 08/i0/2005
WEATHER CONDITIONS: Cloudy
TIME SAMPLED: 7:35am BATCH TIME: 6:48am
TEMPERATURE (F) - Am 74 F CONCRETE: 90 F
mUCK NO: 938 nCr. ET NO: 7155299
AIR CONTENT (%): 3.4 UNIT WEIGHT (pc0: NA
OVERALL PLACEMENT LOCATION:
Crosswalk areas at MacArthur Boulevard and Riv~rchase Drive
SAMPLE LOCATION:
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Northeast comer of MacArthur
and Riverchase
MEASURED
SLUM~P
(inche~)
3.0
CYLINDER ~ COMlaRESS1VE
M~,RKED DATE AGE DIAMETER AREA LOAD STRENGTH FRACTURE
SET NO. TESTED (days) (inches) (sqJn.) (lbs. force) (psi) TYPE
1 1 08/13/2005 3 6.00 28.26 107020 3780 Unbonded Cap
1 2 08/17/2005 7 6.00 28.26 121560 4300 Unbonded Cap
1 3 08/17/2005 7 6.00 28.26 124970 4420 Unbonded Cap
Average 4360
1 4 09/07/2005 28 0.00 0.00 Unbonded Cap
1 5 09/07/2005 28 0.00 0.00 Unbonded Cap
Water added at site:
9 gallons
LIIvfiTAT1ONS: 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, et~.) 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.
01SS Page 1 of 1
Technician: Jack Roberts
Report Distribution:
(1) City. of Coppell
(1) City of Coppell
Started: 6:00am
Finished: 9:00am
Rone ~
C~y/Stark
ProJ~ Manager