Willow Park-LR120328 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.: 407598
2209 Cameron Crossing Project No.: 1116815
Grapevine, TX 76051 4. '`
ilia/ Date of Service: 02/28/2012
` , f Report Date: 03/28/2012
Project: Willow Park Townhomes - r'
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 c ri g and testing in accordance with applicable standards.
PROJECT DATA
Contractor: � Design I.D.: 1565 Measured .02
Concrete Supplier: Southern Star '5 tv ` Placement Date: 02/28/2012 Slump
Plant: 111 Weather Conditions: Cloudy (inches)
Specification Requirements Time Sampled: 04:15pm Batch time: 03:36pm 3.5
Strength: 3,500 psi @ 28 days Temperature - Air: 72 °F Concrete: 72 °F
Slump (in.): 4" max Truck No: 6018 Ticket No: 1986151
Air ( %): 3% - 6% Air Content: 3.8% Unit Weight (pcf): NA
Test Method: ASTM C -172 Overall Placement Location:
ASTM C -31 (except 10.1.2) Culvert headwalls, Rembrant and Davenci
ASTM C -143
ASTM C -231
ASTM C -1064
ASTM C -138 Sample Location:
ASTM C -1231 After Rembrant and before Davenci
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 03/06/2012 7 5.99 28.18 110,810 3,930 Type 5
1 2 03/27/2012 28 5.99 28.18 145,860 5,180 Type 5
1 3 03/27/2012 28 5.99 28.18 143,440 5,090 Type 2
1 El..L..iu NI Average 5,130
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
Technician: Jack Roberts Started: 02:15pm Finished: 05:45pm Rone Engineering
Report Distribution:
Orig: JR Rose Development Companies (Grapevine, TX)
Attn: Mr. Jason Rose (1 -ec copy)
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.
(DM /JC)
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