Northlake 635(7)-LR 980803CONCRETE COMPRI . SIVE STRENGTH TES_
ENGINEERING, INC.
8901 Carpenter Frwy., Suite #100
Dallas, Texas 75247
Date of Service: 07/02/1998 Report No.: 9817190 Report Date
08/03/1998
Client No.: 71765000 Project No.: 43-2479-97
Client: Prentiss Properties Limited, Inc. Project: Calling Center COPY
Attn: David Glass Coppell, Texas
3890 W. N.W. Hwy, Suite 400
Dallas TX 75220
Services: Obtain samples of fresh concrete at the placement locations, perform required field test and cast
compressive strength samples.
PROJECT DATA
CONTRACTOR: Butler/BECK CONCRETE CLASS: 9337
CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 07/02/1998 BATCH TIME: 3:05 pm
PLANT: 74 TIME SAMPLED: 3:54 pm I~Y: Brian Otis
SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Clear, warm
STRENGTH: 3000 psi ~ 28 Days TEMPERATURE (F)- AIR 100 F CONCRETE: 104 E
SI.UMP: 5" TRUCK NO: 1807 TICKET NO: 15320
A~R: N/A AIR CONTENT {%): N/m UNIT WEIGHT (pcf): N/A
TEST METHOD: ASTM C- 143 PLACEMENT LOCATION:
Piers
ASTM C- 172
ASTM C-39
SA.MPLE LOCATION: Piers 5, 7, 10.5-5, 10.5-4, 10.5-3
REPORT OF TESTS ACCUMULATIVE YARDS: 10
CYLINDER MEASURED MAXIMUM COMPRESSIVE
MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE
SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE
1 1 6.50 07/09/1998 7 116880 4130
1 2 6.50 07/09/1998 7 124550 4400
Average 4270
1 3 6.50 07/30/1998 28 143080 5060
1 4 6.50 07/30/1998 28 137480 4860
Average 4960
t,~ote: Contractor r. ctified cf concre-_e ~emDera~ure.
Technician 5ime on repcrt 9817189.
Technician: Brian Otis Started: Finished:
Engineering,
Inc.
Report Distribution:
(1) Premiss Properties Limited, Inc. {1) I lalff Associates, lAc.
(1) Butler Construction (1) City of Coppell Eugene narbour
( 1 ) Alliance Architects, Inc. (1) Evert.'Butler CoAst. Vice President
(1) Brockette Davis Drake, Inc. (1) HBC Engineering; Mr. Eugene Harbour
'l'his report is exclusively for the use of the client indicated aboxe and shall not be reproduced except in full without the written approval of HBC Engineering, lAC.
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