Willow Park-LR120217 8908 Ambassador Row, Dallas, TX 75247
Rone Engineering 7701 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 Report No.: 405441
2209 Cameron Crossing �. r No.: 1116815
Grapevine, TX 76051 i
tt e of Service: 01/19/2012
2 �1
/ / ♦ Report Date: 02/17/2012
Project: Willow Park Townhomes - V
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.: 1061 Measured
Concrete Supplier: Southern Star Placement Date: 01/19/2012 Slump
Plant: 110 Weather Conditions: Sunny (inches)
Specification Requirements Time Sampled: 02:35pm Batch time: 02:10pm 5.0
Strength: 4,000 psi @ 28 days Temperature - Air: 71°F Concrete: 70 °F
Slump (in.): 3" - 5" Truck No: 6235 Ticket No: 1966397
Air ( %): 3% - 6% Air Content: 4.2% Unit Weight (pcf): NA
Test Method: ASTM C -172 Overall Placement Location:
ASTM C -31 (except 10.1.2) Stamped concrete approach on DaVinci Court and Rembrandt Court
ASTM C -143
ASTM C -231
ASTM C -1064
ASTM C -138 Sample Location:
ASTM C -1231 Same as above
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 01/26/2012 7 6.00 28.27 119,790 4,240 Type 3
1 2 02/16/2012 28 5.98 28.09 149,610r Type 2
1 3 02/16/2012 28 5.98 28.09 145,320 .. o/ Type 2
Average , 0
1 1 itti N fl
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
Remarks: Water added at site: 10 gallons
Color added on site.
Technician: Danny Howard Started: 11:30am Finished: 03:45pm Rone Engineering 'I j
Report Distribution:
Orig: JR Rose Development Companies (Grapevine, TX)
Attn: Mr. Jason Rose (1 -ec copy) 1111P7?
1 -ec Rone Project Manager Attn: Mr. Jason Creasy AET 40
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)
Page 1 of 1