Willow Park-LR110602 Rone Engineering 7701 8908 Ambassador Row, Dallas, TX 75247
W Little York, Ste 600, Houston, TX 77040
4421 Freidrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630 -9745
Report of Concrete Compressive Strength Test
Client: JR Rose Development Companies I Report No.: 391499
1207 Bethel School Court
Coppell, TX 75019 !
/ Project No.: 1116815
Date of Service: 05/25/2011
J ii/e Report Date: 06/02/2011 Project: Willow Park Townhomes
Coppell, Texas
Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring
samples back to the laboratory for curing and testing in accordance with applicable standards.
PROJECT DATA
Contractor: Mix Design I.D.: D10000001103 Measured
Concrete Supplier: Southern Star Placement Date: 05/25/2011 Slump
Plant: 125 Weather Conditions: Sunny (inches)
Specification Requirements Time Sampled: 12:10pm Batch time: 11:37am 3.0
Strength: 4,200 psi @ 28 days Temperature - Air: 76 °F Concrete: 80 °F
Slump (in.): 3" - 5" Truck No: 3444 Ticket No: 1837578
Air ( %): 3.5% - 6% Air Content: 4.4% Unit Weight (pcf): NA
Test Method: ASTM C -172 Overall Placement Location:
ASTM C -31 (except 10.1.2) Manhole at existing manhole #2
ASTM C -143
ASTM C -231
ASTM C -1064
ASTM C -138 Sample Location: l
ASTM C -1231 Same as above 4
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength Fracture
Set No. Tested (days) (in) (in (Ibs) (psi) Type
1 1 06/01/2011 7 6.00 28.27 97,810 3,460 Type 5
1 2 06/22/2011 28
1 3 06/22/2011 28
1 4 07/20/2011 56
M
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
Remarks: Water added at site: 6 gallons
Technician: Heath Tally Started: 11:30am Finished: 01:15pm Rone Engineering
Report Distribution:
Orig: JR Rose Development Companies (Coppell, TX)
Attn: Mr. Jason Rose (1 -ec copy) , ,
f
1 -ec Rone Project Manager Attn: Mr. Jason Creasy AET '
1 -ec City of Coppell Attn: Mr. Mike Garza Jason Creasy, AET
Project Manager
LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality
(composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are
for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd.
(TM /JC)
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