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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: C13-0634
Report Date: 03/18/2015 Previously Reported: 02/25/2015
Project: West Sandy Lake Road
Location: West Sandy Lake Rd. westbound wall, Sampled; 7' North x 7'
west from northwest corner of West Sandy Lake and Bricknell Dr.
Client: City of Coppell
Date Sampled: 02/18/2015
Sampled By: Brogdon, Shea
By Order Of: Royse
Order Number: 1770
Number of
Specimens: 4
REPORT: REPORT OF CONCRETE COMPRESSIVE STRENGTH TEST
LAB NO: 181279
Material: Concrete
Test Method: See Below
TEST RESULTS
Report No: 181279
Page 1 of 1
Maximum Compressive
Average
Spec Age Tested Diameter Area Load Cure Strength
Strength Tested
Nbr (date : days) (in) (int) (Ibs) Break Type Loc (PSI)
(PSI) By Comments
A 02/25/15 : 7 6.00 28.27 93,360 Type 5 Lab 3,300
3,300
B 03/18/15: 28 6.00 28.27 137,990 Type 3 Lab 4,880
C 03/18/15 : 28 6.00 28.27 140,980 Type 3 Lab 4,990
4,930
D
HOLD (see remarks) -
? I N LU L] i� I 1J
11
Type 1 Type 2 Type 3 Type 4 Type 5
Type 6
Specification CONFORMS
Strength: 3,600 psi @ 28 days
Slump: 3-5 Slump: 5.0 Inches
Transported By: TXI
Air Content: 3-6 Air Content: 4.8% Source/Sampled
At: Truck / Center
Mix Code: 8272
Plant: 141
Date Received: 02/19/2015
Truck/Ticket No: 0000 / 2682490
Curing Method: Standard
Time Sampled: 4:19 pm
Time Batched: 3:52 pm
Temp.: Ambient: 55°F Mix: 65°F
Quantity Represented: 7 cu. yds. at 7 cu. yds. placed of a 7 cu. yd. total placement
Remarks:
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 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.