9th Grade Center-LR170602 (2)Report Number:
Service Date:
Report Date:
Task:
Client
Coppell, TX 75019
1301 Wrangler Circle
Coppell ISD 9th Grade CenterCoppell ISD
Attn: Louis Macias
1303 Wrangler Cir
Coppell, TX 75019
214-630-1010 Reg No: F-3272
Dallas, TX 75247-4547
8901 Carpenter Fwy Ste 100
94171164.0015
06/02/17
07/03/17 Revision 1 - 28-day results
CONCRETE COMPRESSIVE STRENGTH TEST REPORT
Project
Project Number: 94171164
Specified Strength:28 days
Mix ID:
Supplier:
Batch Time:
Truck No.:
Material Information
Plant:
Ticket No.:
Field Test Data
Test
Air Content (%):
Result Specification
3,000
Slump (in):
psi @
Concrete Temp. (F):
Ambient Temp. (F):
Plastic Unit Wt. (pcf):
Yield (Cu. Yds.):
Sample Information
Sample Date:
Sampled By:
Weather Conditions:
Sample Time:06/02/17
Chris Jacobson
See Placement LocationSample Location:
Placement Method:
Water Added Before (gal):
Water Added After (gal):
Accumulative Yards:Batch Size (cy):
Drilled Piers, see Foundation
Observations Report
#94171164.0016, dated 06/02/17 for
pier locations
Placement Location:
Laboratory Test Data
Set Avg Diam.Area DateDate Test
Age at
Load
Maximum
Strength
Compressive
Fracture
No.ID
Specimen
Received Tested (days)Type(in)(sq in)(lbs)(psi)
1 1 4.00 12.57 06/09/17 7 37,860 5 3,010
1 2 4.00 12.57 06/30/17 28 51,050 5 4,060
1 3 4.00 12.57 06/30/17 28 53,960 1 4,290
1 4 4.00 12.57 06/30/17 28 50,900 1 4,050
Average (28 days) 4,140
1 5 4.00 12.57 07/28/17 56
Comments:Average compressive strength of 28 day cylinders complies with the specified strength. Not tested for plastic unit
weight.
Samples Made By: Terracon
Obtain samples of fresh concrete at the placement locations, perform required field tests and cast compressive strength
samples.
Services:
Reported To:
Contractor:
Report Distribution:
(1) Coppell ISD, Louis Macias (1) Corgan Associates Inc, Keith Cummins
(1) Glenn Engineering, Robert Howman (1) Northstar Builders Group, Charles Posey
(1) Northstar Builders Group, Jeff Miller (1) Northstar Builders Group, Justin Dunkin
(1) Northstar Builders Group, Roberto Gonzalez (1) Sizelove Construction, Nathan Hayward
Daniel Wood
Project Manager
Northstar Builders Group, LLC
Reviewed By:
ASTM C 31, ASTM C39, ASTM C138, ASTM C143, ASTM C172, ASTM C231, ASTM C1064, ASTM C1231Test Methods:
Terracon Rep.: Chris Jacobson
The tests were performed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exclusively for the use of the client
indicated above and shall not be reproduced except in full without the written consent of our company. Test results transmitted herein are only applicable to the
actual samples tested at the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical materials.
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