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GEOTECHNICIMIL
G RO Ur
Consulting Engineering * Geotechnical Engineering * Construction Materials
3228 Halifax Street, Suite A, Dallas, Texas 75247
Phone: (972) 444 -8889 Fax: (972) 444 -8893
Acct ID: 1770
File No: C10 -1036
Date Sampled: 02/14/2011
Report Date: 03/22/2011 Previously Reported: 02/26/2011
Sampled By: Hickman, Brad
Project: Sidewalk Improvements
By Order Of: Larry Davis
Location: Stamped sidewalk at east side of S. Western Blvd & Beltline
Order Number: 1770
Number of
Client: City of Coppell
Sp ecimens: 5
REPORT: REPORT OF CONCRETE COMPRESSIVE
STRENGTH TEST
LAB NO: 97582
Materia CONCRETE
Test Method: See Below
TEST RESULTS
Report No: 97582
Page 1 of 1
Maximum
Compressive Average
Spec Age Tested Diameter Area
Load Cure
Strength Strength
Nbr (date : days) (in) (in')
(Ibs) Break Type Loc
(PSI) (PSI) Comments
A 02/16/11 :2 6.00 28.27
70,980 Type 2 Lab
2,510 2,510
B 02/21/11 :7 6.00 28.27
107,175 Type 2 Lab
3,790 3,790
C 03/14/11 :28 6.00 28.27
136,070 Type 2 Lab
4,810
D 03/14/11 :28 6.00 28.27
137,010 Type 1 Lab
4,850 4,830
E
HOLD (see remarks) -
Type 1
Type 2 Type 3 Type 4
Type 5 Type 6
Specification: 3,600 psi @ 28 days
Date Received: 02/15/2011
Slump: 5.0 Inches
Transported By: Redi -Mix
Curing Method: Standard
Air Content: 3.3%
Source /Sampled At: Truck / Center
Time Sampled: 12:40 pm
Plant: Redi -Mix - Plant #P259
Temp.: Ambient: 66 °F Mix: 71 °F
Mix Code: 101-11504
Truck/Ticket No: 1388 / 25292122
Quantity Represented: 7.5 cu. yds.
Remarks:
Test Method (As Applicable): Unless noted, concrete was sampled and tested in accordance with ASTM C172, C143, C231 or C173,
C1064 and C138. Compressive strength tests per ASTM C39.
Orig: City of Coppell (Coppell, TX) Attn: Mr. Larry Davis (1 -cc copy)
Respectfully Submitted,
Alliance Geotechnical Group
i
Perry C. Kakara, Sr. Project Manager
THIS REPORT APPLIES ONLY TO THE STANDARDS OR PROCEDURES INDICATED AND TO THE SAMPLE(S) TESTED AND /OR OBSERVED AND ARE NOT NECESSARILY INDICATIVE OF
THE QUALITIES OF APPARENTLY IDENTICAL OR SIMILAR PRODUCTS OR PROCEDURES, NOR DO THEY REPRESENT AN ONGOING QUALITY ASSURANCE PROGRAM UNLESS SO
NOTED, THESE REPORTS ARE FOR THE EXCLUSIVE USE OF THE ADDRESSED CLIENT AND ARE NOT TO BE REPRODUCED WITHOUT WRITTEN PERMISSION.