River Ridge Add-LR 940322 2575 Lone Star Drive · P.O. Box 224227 · Dallas, Texas 75222
(214) 631-2700 I FAX (214) 920~1891
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
CMENT: RBR, Inc.
Attn: Bobby Rollings
P.O. Box 796303
Dallas, TX 75379-6303 CMENT NO.: 3452351
REPORT NO.: 97063
PROJECT: River Ridge Addition DATE OF SERVICE: 3/15/94
Coppell, Texas AUTHORIZATION:
REPORT DATE: 3/22/94
SERVICES: Test compressive strength specimens prepared by others and picked up at the
project site.
PROJECT DATA
CONTRACTOR: Patco CLASS OF CONCRETE: Mix ~/4700
CONCRETE SUPPUER: Pioneer Concrete DATE OF PLACEMENT: 3/15/94
PLANT: f'~19 TIME SAMPLED: 6: 30PM BY: Client
SPECIFICATION REQUIREMENTS TEMPERATURE ('F) - AIR: N/A CONCRETE: N/A
STRENGTH: 3000pst @ 28 DAYS TRUCK NO: 812 TICKET NO: 197400
SLUMP: N/A LOCATION OF PLACEMENT:
AIR: N/A Pavin§ station 4+80.
METHOD OF TEST: AST~ C- 39
ASTM C-143
REPORT OF TESTS
CONCRETE COMPRESSIVE STRENGTH - 6 X 12 CYLINDERS
CYLINDER MEASURED MAXIMUM COMPRESSIVE
MARKED SLUMP DATE AGE LOAD STRENGTH
SET NO. ~inches) TESTED (days) llbs. force) (psi} REMARKS
i I NOT 3/22/94 7 122100 4320
PROVIDED
I 2 3/22/94 7 118700 4200
1 3 4/12/94 28
1 4 4/12/94 28
ADDITIONAL COMMENTS:
ALL INFORMATION OTHER THAN TEST RESULTS IS FURNISHED AND ASSUMED TO BE
CORRECT.
Technician: J. David Hammett
Report Distribution:
Southwestern~~t~-Laboratori s .
(1) RBR, Inc. ~~
(1) CCH Engineering
(1) Patco Utititie$, Inc.
(1) City of CoppeL[ F. King Cook, P.E.
Our letters and reports are for the exclusive use of the client to whom they are addressed and shall not be reproduceO exceol n
1001 CM full without the approval of the testing laboratory. The use of our name must receive our wr~en aporoval. Our ie~ers anO reports
apply only to the sample tested and/or insl0ecte~l, and are not Indicative of the quantities of apparently icentical or s, mdar [crcducts.