CF-Justice Center-LR 960708ATEC Associates, Inc.
11356 Mathis Avenue
Dallas, Texas 75229
(214) 556-2204
METRO 263-1681
REPORT OF CONCRETE COMPRESSION TEST
Project: Coppell Justice Center Date Sampled: 07/08/96
Client: City of Coppell Our Report No: 25-02-96-00068.46A
Field Test Data
Location of Pour when Sampled: Dempster Enclosure Grid Beam
Contractor Duratex Construction Supplier/Plant: Mid-Cities Ready-Mix
Sampled By: C. Delgado Delivery Ticket No.: 16581
Time: Batched: 12:45 am Sampled: 1:43 Truck Number: 446
Temperature: Air: 98°F Concrete: 102°F Load Size: 7 cu.yds.
Slump: 4.5 in. Air Content: ---~ Mix ID No.: Mix 9351
Water Added on site: 0 gals.
Compressive Strength Test Results
Specimen Type: Cylinder 6" X 12" Test Method: ASTM ~-3$ ASTM C-1231. ASTM C-617
Set
No, ' Specimen'No. Type
Curing Date Tested Age Days. Failure Load, Ibs. Specimen Area (sq.
in.} Compressive
Strength, PSI
1 1983 lab 07-15 7 84,160 28.27 2,980
1 1984 Lab 08-OS 28 113,580 28.27 4,020
1 1985 lab O8-OS 28 107,840 28.27 3,810
1 1986 Lab 08-OS Hold
SPECIFIED STRENGTH 28 3,000
Remarks: Cylinder diameter = 6.00 in. unless noted otherwise.
* Contractor was notified of temperature
Respectfully submitted,
.~-,
~' -~-~ •h
This report represents only the materials tested and may or may not be representative of identical or similar materials.
This report shall not be reproduced except in its entirety and with the express written permission of ATEC Associates,
Inc.