River Ridge Add-LR 940519 2575 Lone Star Drive · P.O. Box 224227 · Dallas, Texas 75222
(214) 631-2700 / FAX (214) 920-1891
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
CUENT: 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: 5/19/94
$£RVlCE$: Sample concrete at location of placement, perform req,.'-ired field tests,
prepare and test concrete compressive strength specimens.
PROJECT DATA
CONTRACTOR: Parco 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 OF TEST: ASTM C-39 Paving alley C 1+60 10' east
ASTM C-143
REPORT OF TESTS
CONCRETE COMPRESSIVE STRENGTH - 8 X 12 CYLINDERS
CYLINDER MEASURED MAXIMUM COMPRESSIVE
MARKED SLUMP DATE AGE LOAD STRENGTH
SET NO. (inches} TESTED (days) Obs. force) (;3s~ REMARKS
1 1 3.50 4/28/94 7 81300 2870
1 2 3.50 4/28/94 7 84500 2990
1 3 3.50 5/19/94 28 97300 3440 /-- ~- ~-' ~"J
1 4 3.50 5/19/94 28 102900 3640
Technician: James Ledbetter Started: 06:00AM Stopped: 12:30PM
Report Of Tests Continued On Page 2 ." /~"~ '. '"-
Our letters and reports are for the exclus ve use of the client to whom they are addressed and shall not be rel0roduced exce[ot in
1001 CME full ivW~oh~Ut.the. Lapprova! o.f th.e.testi.n.g .Iqboratory. The use of our name must receive our written approval. Our letters and reoorts
apo y o y [o [ne samom testeo aha/or msf3ecte~l, and are not inclicatwe of the ClUantitles of apl3arently iclentlcal or similar oroducts.
RBR, Inc. REPORT NO. 99013
CLIENT NO. 3452351 PAGE 2
DATE OF SERVICE: 4/21/94 SET NO. 2
REPORT OF
CONCRETE COMPRESSIVE STRENGTH
(Coflt inued)
PROJECT DATA
CONTRACTOR: Parco CLASS OF CONCRETE: N/A
CONCRETE SUPPLIER: On s~.te DATE OF PLACEMENT: 4/21/94
PLANT: N/A ~ME SAMPtED: Il: 20AM BY: James Ledbetter
SPECIFICATION REQUIREMENTS TEMPERATURE ('F) - AIR: 78 CONCRETE: 84
STRENGTH: 3600psi @ 28 DAYS TRUCK NO: 6-2 TICKET NO: N/A
SLUMP: 5" AIR CONTENT(%): 4.1
AIR: 4.0% LOCATION OF PLACEMENT:
METHOD OF TEST: AST~ C-39 Paving alley A §rid 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. fome) (Ds~ REMARKS
2 1 3.25 4/28/94 7 74900 2650
2 2 3.25 4/28/94 7 84100 2970
2 3 3.25 5/19/94 28 99500 3520 ~-~ ~'~'
2 4 3.25 5/19/94 28 101000 3570 ~- L-~ ~'J
Technician: James Ledbetter
Report Distribution:
(1) RBR, Inc. Southwestern Laboratories, Inc.
(1) CCtl Engineering
,,, n
(1) City of Coppe[[
~'. Ki g , ~,.E.
Our letters and reports are for the exclus ve use of the client to whom they are addressed and shall not be reproduced except in
1001 CME full wtthout the approval of the testnq alooratory. The use of our name must receive our written approval. Obr letters and rei~orts
apply only to the sample tested ancl/Or inspected, and are not indicative of tl~e quantities of apparently identical or similar products.