River Ridge Add-LR 940428 2575 Lone Star Ddve · P.O. Box 224227 · Dallas. Texas 75222
(214) 631-2700 ! FAX (214) 920-1891
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
CLIENT: RBR, Inc.
Attn: Bobby Rollings
P.O. Box 796303
Dallas, TX 75379-6303 CLIENT NO.: 3452351
REPORT NO.: 99013
PROJECT: River Ridge Addition DATE OF SERVICE: 4/21/94
Coppell, Texas AUTHORIZATION:
REPORT DATE: 4/28/94
SERVICES: Sample concrete at location of placement, perform required field tests,
prepare and test concrete compressive strength specimens.
PROJECT DATA
CONTRACTOR: PaCco CLASS OF CONCRETE: N/A
CONCRETE SUPPLIER: On site DATE OF PLACEMENT: 4/21/94
PLANT: N/A TIME SAMPLED: 08:45AM BY: James Ledbetter
SPECIFICATION REQUIREMENTS TEMPERATURE ('F) - AIR: 67 CONCRETE: 81
STRENGTH: 3600psi @ 28 DAYS TRUCK NO: 6-3 TICKET NO: N/A
SLUMP: 5" AIR CONTENT(%): 3.3
AIR: 4.0% LOCATION OF PLACEMENT:
METHOD OFTEST: ASTM c-3g Paving alley C 1+60 10' east
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) ~lbs. force) (13s~ REMARKS
1 1 3.50 4/28/94 7 81300 2870
1 2 3.50 4/28/94 7 84500 2990
1 3 5/19/94 28
1 4 5/19/94 28
Technician: James Ledbetter Started: 06:00AM Stopped: 12:30PM
Report Of Tests Continued On Page 2
Our I~tters and reports are for the exclusive use of Me client to whom ,'hey are addressed and shall not be reproduced except in
1001 CME full .without the_approval of the testing laboratory. The use of our name must receive our written approval. Our letters and reports
apD~y ony to the sample tested and/or ~nspected, and are not ~nctlcative of the auant~es of apparently identical or similar Droaucts.
RBR, Inc. REPORT NO. 99013
CLIENT NO. 3452351 PAGE 2
DATE OF SERVICE: 4/21/94 SaT NO. 2
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
(Continued)
PROJECT DATA
CONTRACTOR: l~&l:co CLASS OF CONCRETE: N/A
CONCRETE SUPPLIER: O~t s£te DATE OF PLACEMENT: 4./21/94
PLANT: N/A TIME SAMPLED: 11: 20AM BY: James Ledbet:ter
SPECIFICATION REQUIREMENTS TEMPERATURE ('F) - AIR: 78 CONCRETE: 84
STRENGTH: 3600psi @ 28 DAYS TRUCK NO: 6-2 ~nCKET NO: N/A
SLUMP:. 5" AIR CONTENT(%): 4,1
AIR: 4.0% LOCATION OF PLACEMENT:
METHOD OF TEST: ASTM C-39 Paving alley A grid 2+25 10' west
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) {lbs. force) ¢13si) REMARKS
2 1 3.25 4/28/94 7 74900 2650
2 2 3.25 4/28/94 7 84100 2970
2 3 5/19/94 28
2 4 5/19/94 28
Technician: James Ledbetter
Report Distribution: SouthwesternLaboratori~
(1) RBR, inc.
(1) CCI~ Engineering
(1) Parco Utilities, [nc.
(1) City of Coppe[[ _~'. Kirtg Cook, p.F..
Our letters and rel3orts are for the exclusive use of the client to whom they are addressed and shall not be reDroduced except in
1001 CME flJII without the approval of the testing laboratory. The use of our name must receive our written approval. Our ~etters and reports
a[Dl~ly only to the sample tested and/or inspected, and are not indicative of the Q~antities of al~parently identical or similar prooucts.