Rozas Addn-LR050923C MJ ENGINEERING, INC.
Concrete Compression Test Report
7636 Pebble Drive Fort Worth, Texas 76118
Client: Tri-Star Construction
Project: Dr. Roza's Office
Coppell
CMJ Report No.: 548-5051-020
Report Date: 09/23/2005
Tel: (817) 284-9400 Fax: (817) 589-9993
Report Distributlon: (1)Tri-Star Construction
(1) City of Coppell
Specifications Test Data
Strength 4000 psi @ 28 Days Placement Date 07/26/2005
Slump 3 in min 5 in max Sampled By Daniel Bohon
Air Content 3 % min 6 % max Weather Cloudy/Light Wind
Concrete Temperature n/a Supplier/Mix TXI/517
Ambient Temperature n/a Air Content Method ASTM C231
Ticket Number: 88785 Time Batched: 09:01 Time Sampled: 09:45
Slump: 8 in* Air Content: 6.8 %* Unit Weight: N/A
Concrete Temperature: 91 ° F Ambient Temperature: 89° F Yardage (c.y.): 220/300
Placement Location: Paving: North and west parking lot including west entrance
Sample Location: 10 feet north and 8 feet west of northwest corner of building
An asterisk (*) appears next to field data which does NOT meet specifications.
Concrete Compression Test Results
Age Max Load Area Stren~lth Fracture
Set # Cyl~der Test Date (days) (lbs. farce) (sq.in.) (ps~ Type
03 DRO07260509' 08/02/2005 7 66060 28.27 2340
03 DRO07260510' 08/23/2005 28 96760 28.27 3420
03 DRO07260511' 08/23/2005 28 98780 28.27 3490
03 DRO07260512 09/20/2005 56 116720 28.27 4130 C-cone/shear
28 day average 3466
Normal cylinder size: 6" x 12"
The average 28 day compressive strength test results do not meet specifications.
Field and laborato~J tests by CMJ are per applicable ASTM Standards: C31, C39, C138, C143, C172, C1064, and C617 or C1231.
* 7-DAY TEST RESULT INDICATES A MARGINAL 28-DAY COMPRESSIVE STRENGTH
*Slump - Non-Compliant: Contractor Notified
*Air Content - Non-Compliant: Contractor Notified
O Gallons of Water Added On-Site
*28-DAY TEST RESULTS NON-COMPLIANT: DALE CAIN NOTIFIED VIA FAX ON
CMJ Engineering, Inc
R. Carl Lee, S.E.T,
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
client. This report or any portion of this report may not be reproduced without the written consent of our client and CMJ Engineering, Inc.
o~ Page 3 of 3
C MJ ENGINEERING, INC.
Concrete Compression Test Report
7636 Pebble Drive Fort Worth, Texas 76118
Client: Tri-Star Construction
Project: Dr. Roza's Office
Coppell
CMJ Report No.: 548-5051-020
Report Date: 09/23/2005
Tel: (817) 284-9400 Fax: (817) 589-9993
Report Distribution: (1) Tri-Star Construcfion
(1) City of Coppell
Specifications Test Data
Strength 4000 psi @ 28 Days Placement Date 07/26/2005
Slump 3 in min 5 in max Sampled By Daniel Bohon
Air Content 3 % min 6 % max Weather Cloudy/Light Wind
Concrete Temperature n/a Supplier/Mix TXI/517
Ambient Temperature n/a Air Content Method ASTM C231
Ticket Number:
Slump:
Concrete Temperature:
Placement Location:
Sample Location:
88567 Time Batched: 06:33
6.5 in* Air Content: 6.6 %*
94° F Ambient Temperature: 87° F
Paving: North and west parking lot including west entrance
Time Sampled: 08:05
Unit Weight: N/A
Yardage (c.y.): 110/300
25 feet north and 5 feet west of face of curb on west entrance
An astedsk (*) appears next to field data which does NOT meet specifications.
Concrete Compression Test Results
Age Max Load Ama Strength Fracture
Set # Cyl#der Test Date (days) (lbs. force) (sq.in.) (psi) Type
02 DRO07260505' 08/02/2005 7 72780 28.27 2570
02 DRO07260506' 08/23/2005 28 116980 28.27 4140
02 DRO07260507' 08/23/2005 28 101980 28.27 3610
02 DRO07260508 09/20/2005 56 115920 28.27 4100 C-cone/shear
28 day average 3880
Normal cylinder size: 6" x 12"
The average 28 day compressive strength test results do not meet specifications.
Field and laboratory tests by CMJ ara per applicable ASTM Standards: C31, C39, C138, C143, C172, C1064, and C617 or C1231.
* 7-DAY TEST RESULT INDICATES A MARGINAL 28-DAY COMPRESSIVE STRENGTH
*Slump - Non-Compliant: Contractor Notified
*28-DAY TEST RESULTS NON-COMPLIANT: DALE CAIN NOTIFIED VIA FAX ON 8/23/05.
*Air Content - Non-Compliant: Contractor Notified
~l Gallons of Water Added On-Site
CMJ Engineering, Inc
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
client. This report or any portion of this report may not be reproduced without the wdtten consent of our client and CMJ Engineering, Inc.
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