Rozas Addn-LR050830Concrete Compression Test Report
C M{ ENC;INEER~NC,.- ~NC~~ '~'' '~' ~ -
7636 Pebble Drive Fort Worth, Texas 76118 Tel: (8'{ 7) 284-9400 Fax: (817) 589-9993
Client: Tri-Star Construction Repont Distribution: ('{) Tri-Star Construction
Project: Dr. Roza's Office (1) City of Coppell
Coppell
CMJ Report No.: 548-5051-021
Report Date: 08/30/2005
Specifications Test Data
Strength 4000 psi @ 28 Days Placement Date 07/28/2005
Slump 3 in min 5 in max Sampled By Richard Jones
Air Content 3 % rain 6 % max Weather Cloudy/Slight Breeze
Concrete Temperature n/a SuppliedMix TXI/517
Ambient Temperature n/a Air Content Method ASTM C231
Ticket Number:
Slump:
Concrete Temperature:
Placement Location:
89790 Time Batched: 06:42 Time Sampled: 07:20
7 in* Air Content: 1.8 %* Unit Weight: N/A
87° F Ambient Temperature: 78° F Yardage (c.y.): 30/200
Paving: East parking and fire land
Sample Location:
From northeast corner of slab, 10 feet north, 20 feet east
An asterisk (*) appears next to field data which does NOT meet specifications.
Concrete Compression Test Results
Age Max Load Area Strength
Set # Cyl[gder Test Date (days) (lbs. force) (sq.in.) (psi)
Fracture
Type
01 DRO07280501 08/04/2005 7 94660 28.27 3350
01 DRO07280502 08/25/2005 28 97920 28.27 3460
01 DRO07280503 08/25/2005 28 100260 28.27 3550
01 DRO07280504 Hold
28 day average 35t0
Normal cylinder size: 6" x 12"
The average 28 day compressive strength test results do not meet specifications.
Field and laboratory tests by CMJ are per applicable ASTM Standards: C31, C39, C138, C143, C'{72, C1064, and C617 or C1231.
CMJ Engineering, Inc
*Slump - Non-Compliant: Contractor Notified
Air Content - Non-Compliant: Contractor Notified
Gallons of Water Added On-Site
CMT Manager
LIMITATIONS: The test results presented in this report apply only to the specific samples, items, and areas described within this report. The test results
do not pertain to any other samples, items or areas regardless of similarity. Our reports are produced solely for the exclusive use of our
c{ient. This report or any portion of this report may not be reproduced without the written consent of our client and CMJ Engineering, Inc.
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