Willow Park-LR120306 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.: 406409
2209 Cameron Crossing Project No.: 1116815
Grapevine, TX 76051 oi
. r0014 Date of Service: 02/06/2012
Report Date: 03/06/2012
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.: D10000001083 Measured
Concrete Supplier: Southern Star Placement Date: 02/06/2012 Slump
Plant: 110 Weather Conditions: Partly cloudy (inches)
Specification Requirements Time Sampled: 04:10pm Batch time: 03:30pm 4.0
Strength: 4,000 psi @ 28 days Temperature - Air: 55 °F Concrete: 72 °F
Slump (in.): 3" - 5" Truck No: 1063 Ticket No: 1974454
Air ( %): 3% - 5% Air Content: 3.0% Unit Weight (pct): NA
Test Method: ASTM C -172 Overall Placement Location:
ASTM C -31 (except 10.1.2) Storm drain tops at Rembrant Court and DaVinci Court
ASTM C -143
ASTM C -231
ASTM C -1064
ASTM C -138 Sample Location:
ASTM C -1231 Storm drain at Rembrant Court
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 02/13/2012 7 6.00 28.27 122,890 4,350 Type 4
1 2 03/05/2012 28 5.99 28.18 146,990 5,220 Type 5
1 3 03/05/2012 28 5.99 28.18 149,140 5,290 Type 2
Average 5,250
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Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
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Technician: Ramon Hernandez Started: 03:30pm 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 ir
1 -ec City of Coppell Attn: Mr. Mike Garza ee j ' 1 ., . . — 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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