SW0801-LR111121 Consulting Engineering * Geotechnical Engineering * Construction Materials
ALLIFINCE 3228 Halifax Street, Suite A, Dallas, Texas 75247
1 GEOTECH11IC9L Phone: (972) 444 -8889 Fax: (972) 444 -8893
GROUP C
ll ' / J Z 40/2'
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Acct ID: 1770 wile No: C11 -1117 Date Sampled: 11/21/201
Report Date: 11/30/2011 - -- \'` - -, Sampled By: Whitney, - Steve
Project: Denton Tap Sidewalk Replacement @ Railroad Tracks By Order Of: Lrry Davis
Location: Sidewalk on the Southbound side of Denton Tap 40' north and Order Number: 1770
south of railroad tracks,
Number of
Client: City of Coppell Specimens: 4
REPORT: REPORT OF CONCRETE COMPRESSIVE STRENGTH TEST LAB NO: 108343
Material: Concrete Test Method: See Below
Client PO: 2012 - 00000851 TEST RESULTS Report No: 108343
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 11/28/11 : 7 6.00 28.27 91,750 Type 2 Lab 3,240 3,240
B 12/19/11: 28 6.00 28.27 Lab °. ,.„__---- -_ --
C 12/19/11 : 28 6.00 28.27 Lab
D I HOLD (see remarks) -
mil NH m N - Ei
,,
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
Specification: 3,000 psi @ 28 days
Date Received: 11/22/2011 Slump: 6.0 ches Transported By: Redi -Mix
Curing Method: Standard it Content: 2.1% Source /Sampled At: Truck / Center
Time Sampled: 1:45 pm Plant: P255
Temp.: Ambient: 59 °F Mix: 65 °F ? Mix Code: 10J11504 Truck/Ticket No: 1237 / 25406488
Unit Weight: 145.1 # /cu ft t
Quantity Represented: 2 cu. yds. at 12 cu. yds. placed of a 12 cu. yd. total placement
Remarks: Concrete arrived 45 minutes early. Technician sampled at end of load. Larry Davis w/ the City of Coppell was notified of low
air content.
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. George S. Marshall, P.E.
(1 -ec copy) Respectfully Submitted,
Alliance Geotechnical Group
71/( /„. ., !/ 1
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Martin J. Elliott, P.E., Principal
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.