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4 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: C13 -0634 Date Sampled: 01/22/2014
Report Date: 02/21/2014 Previously Reported: 01/31/2014 Sampled By: Armas, Brandon
Project: West Sandy Lake Road By Order Of: Walter
Location: Inlets at Stations 73 +95.50 and 74 +06.50, Sampled: Station Order Number: 1770
74 +06.50
Number of
Client: City of Coppell Specimens: 4
REPORT. REPORT OF CONCRETE COMPRESSIVE STRENGTH TEST LAB NO: 157145
Material: Concrete Test Method: See Below
Type 1
Specification
Strength: 3,000 psi @ 28 days
Slump: 3 -5
Air Content: 3 -6
Date Received: 01/23/2014
Curing Method: Standard
Time Sampled: 1:15 pm
Time Batched: 12:31 pm
Temp.: Ambient: 55 °F Mix: 58 °F
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TEST RESULTS
Report No: 157145
Type 6
CONFORMS
Slump: 5.0 Inches
Page 1 of 1
Air Content: 5.4%
Source
/Sampled At: Truck / Center
Maximum
Mix Code: 1261
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
01/29/14:7
6.00
28.27
71,885
Lab
2,540
2,540
B
02/19/14: 28
6.00
28.27
109,410
Type 3 Lab
3,870
C
02/19/14: 28
6.00
28.27
102,275
Type 2 Lab
3,620
3,740
D
HOLD (see remarks) -
Type 1
Specification
Strength: 3,000 psi @ 28 days
Slump: 3 -5
Air Content: 3 -6
Date Received: 01/23/2014
Curing Method: Standard
Time Sampled: 1:15 pm
Time Batched: 12:31 pm
Temp.: Ambient: 55 °F Mix: 58 °F
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Type 2 Type 3 Type 4
Type 5
Type 6
CONFORMS
Slump: 5.0 Inches
Transported By: LMC
Air Content: 5.4%
Source
/Sampled At: Truck / Center
Mix Code: 1261
Plant: 952
Truck /Ticket No: 9155 / 62958776
Quantity Represented: 7.5 cu. yds. at 7.5 cu. yds. placed of a 7.5 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 per ASTM 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
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 CLIENTAND ARE NOT TO BE REPRODUCED WITHOUT WRITTEN PERMISSION.