Tax 2011B-LR130307RLL6M'10E
GWOTECHNICRL
GROUP
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: C12 -1001
Date Sampled: 02/06/2013
Report Date: 03/07/2013 Previously Reported: 02/11/2013
Sampled By: Smith, Courtney
Project: Vanbebber Drive Street
Improvements
By Order Of: Chris
Location: Vanbebber Drive
Order Number: 1770
Number of
Client: City of Coppell
Specimens: 5
REPORT: REPORT OF CONCRETE COMPRESSIVE STRENGTH
TEST
LAB NO: 142010
Material: CONCRETE
Test Method: See Below
Client PO: Q- 0612 -01
TEST RESULTS
Report No: 142010
Page 1 of 1
Maximum
Compressive
Average
Spec Age Tested Diameter
Area Load
Cure
Strength
Strength Tested
Nbr (date : days) (in)
(in 2) (Ibs) Break Type
Loc
(PSI)
(PSI) By Comments
A 02/09/13 :3 6.00
28.27 77,040 Type 2
Lab
2,720
2,720
B 02/13/13: 7 6.00
28.27 95,085 Type 2
Lab
3,360
C 02/13/13: 7 6.00
28.27 97,350 Type 3
Lab
3,440
3,400
D 03/06/13: 28 6.00
28.27 143,790 Type 2
Lab
5,090
E 03/06/13: 28 6.00
28.27 136,335 Type 3
Lab
4,820
4,950
Type 1 Type 2 Type 3
Type 4
Type 5
Type 6
Specification
Strength: 4,000 psi @ 28 days
Slump: 3 - 5
Air Content: 3 - 6
Date Received: 02/07/2013
Curing Method: Standard
Time Sampled:
Time Batched: 12:37 pm
Temp.: Ambient: 71 °F Mix: 74 °F
CONFORMS
Slump: 3.5 Inches Transported By: TXI
Air Content: 6.5% Source /Sampled At: Truck / Center
Mix Code: 8274 Plant: TXI - Plant #141
Truck /Ticket No: 8062 / 1599711
Quantity Represented: 10 cu. yds. at 40 cu. yds. placed of a 70 cu. yd. total placement
Remarks: *Air Content exceeds specifications
Test Method (As Applicable): Unless noted, concrete was sampled and tested in accordance with ASTM C31, C172, C143, C231 or
C173, C1064 and C138. Compressive strength tests per ASTM C39.
Client: City of Coppell Attn: Mr. Rick O'Dell (1 -cc copy)
Orig: City of Coppell (Coppell, TX) Attn: Mr. Keith Marvin, P.E.
Respectfully Submitted,
Alliance Geotechnical Group
Perry C. Kakara, CME Department 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 REPRESENTAN ONGOING QUALITY ASSURANCE PROGRAM UNLESS SO
NOTED. THESE REPORTS ARE FOR THE EXCLUSIVE USE OF THE ADDRESSED CLIENTAND ARE NOT TO BE REPRODUCED WITHOUT WRITTEN PERMISSION.