Northlake 635(7)-LR 980617CONCRETE COMPRE. $1VE STRENGTH TES_
ENGkNEERING, LXIC.
8901 Carpenter Frwy., Suite #100
Dallas, Texas 75247
Date of Service: 05/19/'1998 Report No.: 9812802 Report Date
06/17/1998
Client No.: 71765000 Project No.: 43-2479-97
Client: Prentiss Properties Limited, Inc. Project: Calling Center
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: BECK CONCRETE CLASS: 42
CONCRETE SUPPLIER: Lattimore Materials PLACEMENT DATE: 05/19/1998 BATCH TIME: 11:58 am
PLANT: 7 TIME SAMPLED: 12:30 pm BY: Del Ratliff
SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: WarlTl, hazy, light wind
STRENGTH: 4000 psi ~ 28 Days TEMPERATURE (F)- AIR 85 F CONCRETE: 87 F
SI.L'MP: 5" TRUCK NO: 574 TICKET NO: 7051513
AIR: N/A AIR CONTENT (%): N/A UNIT %VEIGHT (pcf): N/A
TEST METHOD: ASTM C-143 PLACEMENT LOCATION:
Electrical Room slab-on-grade from I to 2 on J to G
ASTM C- 172
ASTM C-39
SAMPLE LOCATION: 1.5 at J.5
REPORT OF TESTS ACCUMULATIVE YARDS: 20
CYLINDER MEASt'RED MAXIMt.'M COMPRESSIVE
MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE
SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE
1 1 5.00 05.."26/1998 7 87310 3090
1 2 5.00 05/26/1998 7 89330 3160
Average 3130
1 3 5.00 06/16/1998 28 117690 4160
1 4 5.00 06/16/1998 28 119610 4230
Average 4200
NOTE: Repor~ revised tc show ccrrez~ con~rac~cr as BECK.
Technician: Del Ratliff Started: [ 1:00 Finished: 1:00 pm ~
Engineering,
Inc.
Report Distribution:
(1) Premiss Properties Limited, Inc. (1) I IalffAssociates, Inc.
(1) Butler Construction (1) City of Coppell Eugene narbour
(1) Alliance Architects, Inc. ( l ) Evcrt. Butler ('onst. Vice President
(1) Brockette Davis Drake, Inc. (1) HBC Engineering; Mr. Eugene Harbour
This report is exclusively for the use of the client indicated abox e and shall not be reproduced except in full without the written approval of HBC Engineering, Inc.
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