River Ridge Add-LR 940525 2575 Lone Star Drive · P.O. Box 224227 · Dallas, Texas 75222
(214) 631-2700 / FAX (214) 920-1891
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
CLIENT: RBR, Thc.
Attn: Bobby Rollings
P.O. Box 796303
Dallas, TX 75379-6303 CLIENT NO.: 3452351
REPORT NO.: 99287
PROJECT: River Ridge Addition DATE OF SERVICE: 4/27/94
Coppell, Texas AUTHORIZAY]ON:
REPORT DATE: 5/25/94
SERVICES: Sample concrete at location of placement, perform required field tests,
prepare and test concrete compressive strength specimens.
PROJECT DATA
CONTRACTOR: Parco CLASS OF CONCRETE: Mix number 4700
CONCRETE SUPPLIER: Pioneer DATE OF PLACEMENT: 4/27/94
PLANT: 27 TIME SAMPLED: 02:20PM BY: James Ledbetter
SPECIFICATION REQUIREMENTS TEMPERATURE ('F) - AIR: 85 CONCRETE: 82
STRENGTH: 3000psi @ 28 DAYS TRUCK NO: 243 T~CKET NO: 095420
SLUMP: 5" AIR CONTENT(%): 3.6
AIR: 4.0% LOCATION OF PLACEMENT:
METHOD OF TEST: ASTM C-39 Curb and gutter for inlet at west end of Brad-
ASTM C-143 ord Street.
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) (lbs. force) (psi) REMARKS
1 1 3.75 5/04/94 7 72800 2570
1 2 3.75 5/04/94 7 72300 2560
1 3 3.75 5/25/94 28 101600 3590
1 4 3.75 5/25/94 28 101000 3570
Technician: James Ledbetter Started: OI:30PM Stopped: 04:00PM
Report Distribution:
(1) RSR, [nc. Southwestern La~
(1) CC~I Engineerir~
(1) City of Coppet[ l". King , P.E.
Our letters and reports are for the exclusive use of the cl ent to whom they are addressed and shall not be reproduced except in
1001 CME full wffhout the approval of the testln(] laboratory The use of our name must receive ou~ w~ltten approval. Our letters and reports
apply only to the sample tested and/Or inspecte~l, and are not indicative of the quantities of apparently identical or similar pro(3ucts.