ST9902-LR140214Consulting 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
Date Sampled: 01/17/2014
Report Date: 02/17/2014 Previously Reported: 01/23/2014
Sampled By: Renfro, Stephen
Project: West Sandy Lake Road
By Order Of: Walter
Location: Inlet Footing and Walls, Station 69 +40
Order Number: 1770
Number of
Client: City of Coppell
Specimens: 4
REPORT: REPORT OF CONCRETE COMPRESSIVE STRENGTH
TEST LAB NO: 156952
Material: Concrete
Test Method: See Below
TEST RESULTS Report No: 156952
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 01/24/14: 7 6.00 28.27 111,210 Type 5 Lab
3,930 3,930
B 02/14/14: 28 6.00 28.27 118,055 Type 3 Lab
4,180
C 02/14/14: 28 6.00 28.27 119,120 Type 3 Lab
4,210 4,190
D
HOLD (see remarks) -
IX �I 1 t �I'
I ' _
171
Type 1 Type 2 Type 3 Type 4
Type 5 Type 6
Specification
CONFORMS
Strength: 3,000 psi @ 28 days
Slump: 3 -5 Slump: 3.5 Inches
Transported By: LMC
Air Content: 3 -6 Air Content: 4.0%
Source /Sampled At: Truck / Center
Mix Code: 1261
Plant: 95
Date Received: 01/18/2014
Truck /Ticket No: 5030 / 63077341
Curing Method: Standard
Time Sampled: 1:05 pm
Time Batched: 12:31 pm
Temp.: Ambient: 51 °F Mix: 58 °F
Quantity Represented: 5 cu. yds. at 5 cu. yds. placed of a 5 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 perASTM C39.
Client: City of Coppell Attn: Mr. Rick O'Dell (1 -cc copy)
Ong: City of Coppell (Coppell, TX) Attn: Mr. Keith Marvin, P.E.
Respectfully Submitted,
Alliance Geotechnical Group
I
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.