Northlake 635(7)-LR 980702 ENG12qEERING, INC.
8901 Carpenter Frwy., Suite #100
Dallas, Texas 75247
Date of Service: 06/01/1998 Report No.: 9814044 Report Date
07/02/1998
Client No.: 71765000 Project No.: 43-2479-97
Client: Prentiss Properties Limited, Inc. Project: Calling Center I~,~;g--.~a~ ,~'
Attn: David Glass
3890 W. N.W. H~W, Suite 400 Coppell, Texas
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 Construction CONCRETE CLASS: 9337
CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 06/01/1998 BATCH TreE: 11: 15 am
eLANT: 22 TIME SAMPLED: 12:31 pm BY: Brian Otis
SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Clear, hot
STRENGTH: 3000 psi @ 28 Days TEMPERATURE (F)-AIR 100 F CONCRETE: 100 F
SLUMP: 5" TRt'CKNO: 512 TICKETNO: 703761
AIR: N/A AIR CONTENT (%): N/A UNIT WEIGHT (pcf): N/A
TEST METHOD: ASTM C-143 PLACEMENT LOCATION:
Piers
ASTM C- 172
ASTM C-39
SAMPLE I.OCATION: See below
REPORT OF TESTS ACCUMULATIVE YARDS: 10
CYLIN'DER MEASURED MAXIMUM COMPRESSIVE
MARKED SI.UMP DATE AGE I.OAD STRENGTH FRACTURE
SET NO. (inches) TESTED (da) s) (lbs. force) (psi) TYPE
1 1 6.25 06/08/1998 7 84350 2980
1 2 6.25 06.."08/1998 7 77570 2740
Average 2860
1 3 6.25 06.."29/1998 28 109250 3860
1 4 6.25 06/29/1998 28 105280 3720
Average 3790
Sample location: .'~f~.-5.3, 10.1-C.9, L3.i-B.2, 23.!-2-.4
Note: Contractor notified of high soncre.-_e nemperagure. Samples caken from
:tuck.
Technician ~ime on repor~ 9~24043.
Technician: Brian Otis Started: Finished: ~
Engineering,
Inc.
Report Distribution:
(1) Prentiss Properties Limited, Inc. (1) l lalffAssocmtcs, Inc.
(1) Butler Construction (I) City of Coppcll Eugene Harbour
(1) Alliance Architects, Inc. (1) Evert. Butlcr Const. Vice President
(1) Brockette Davis Drake, Inc. (1) HBC Engineering; Mr. Eugene 1 larbour
This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without the written approval of HBC Engineering, Inc.
01AK Page I of I