TR9101-LR 910821SWL SOUTHWESTERN LABORATORIES
Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services
2200 Gravel Drive · P.O. Box 1379, Fort Worth, Texas 76101 · 817/284-7755
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
CLIENT: Traffic Signals, Inc.
Engineering
PO Box 454
Edmond, OK 73083 CLIENT NO.: 5852096
REPORT NO.: 105936
PROJECT: Coppell Traffic Lights DATE OF SERVICE: 8/21/
AUTHORIZATION: Tommy
REPORT DATE: 8
SERVICES: Sample concrete at location of placement, perform required f!
prepare and test concrete compressive strength specimens. By:. Engineering
PROJECT DATA
CONTRACTOR: Traffic Signals, Inc. CLASS OF CONCRETE: GHS-10
CONCRETE SUPPLIER: Gifford Hill DATE OF PLACEMENT: 8/21/91
PLANT: No. 2 ~ME SAMPLED: 12:15PM BY: Curtis Lewis
SPECIFICATION REQUIREMENTS TEMPERATURE ('F) - AIR: 78 CONCRETE: 84
STRENGTH: 3000psi @ 28 DAYS TRUCK NO: 109 TICKET NO: 337911
SLUMP: 4" Max. LOCATION OF PLACEMENT:
METHOD OFTEST: ASTM C-31 & C-39 Pier for Traffic at Bethal & Denton Tap
REPORT OF TESTS
CONCRETE COMPRESSIVE STRENGTH - 6 X 12 CYLINDERS
CYLINDER MEASURED MAXIMUM COMPRESSIVE
MARKED SLUM P DATE AGE LOAD STRENGTH
SET NO. (inches) TESTED (days) (lbs. force) (psi) REMARKS
1 1 3.50 8/24/91 3 119080 4210
1 2 3.50 8/28/91 7 132750 4690
1 3 9/18/91 28
Technician: Curtis Lewis Started: ll:30AM Stopped: 01:30PM
:
Report Distribution:
(2) Traffic Signals, Inc. SOUTHWESTERN LABORATORIES, INC.
(l) City of Coppell
Kemp E. Akeman, P.E.
Materials Engineer
1001 RIB Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be
reproduced except in full without the aDDroval of the testing laboratory. Tiqe use of our name must receive our written approval.