Willow Park-LR110722 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 Report No.: 391564
1207 Bethel School Court Project No.: 1116815
Coppell, TX 75019 Date of Service: 05/26/2011
Report Date: 07/22/2011
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.: 1103 Measured
Concrete Supplier: Southern Star Placement Date: 05/26/2011 Slump
Plant: 111 Weather Conditions: Sunny (inches)
Specification Requirements Time Sampled: 04:OOpm Batch time: 03:25pm 3.0
Strength: 4,200 psi @ 28 days Temperature - Air: 86 °F Concrete: 89 °F
Slump (in.): 2" - 4" Truck No: 1089 Ticket No: 01838284
Air ( %): 3% - 6% Air Content: 3.4% Unit Weight (pcf): NA
Test Method: ASTM C -172 Overall Placement Location:
ASTM C -31 (except 10.1.2) Existing manhole #2
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 06/02/2011 7 5.99 28.18 95,740 3,400 Type 5
1 2 06/23/2011 28 6.00 28.27 124,300 4,400 Type 2
1 3 06/23/2011 28 6.00 28.27 117,710 4,160 Type 2
Average 4,280
1 4 07/21/2011 56 6.00 28.27 130,870 4,630 Type 2
rr r . r
'< .J---L3-- Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
Remarks: Water added at site: 4 gallons
Technician: Korey Neal Started: 02:30pm Finished: 05:15pm Rone Engineering
Report Distribution:
Orig: JR Rose Development Companies (Coppell, 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.
(TM /JC)
Page 1 of 1
Rone Engineering 7701 8908 Ambassador Row, an, 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 Report No.: 391564
1207 Bethel School Court Project No.: 1116815
Coppell, TX 75019
Date of Service: 05/26/2011
Report Date: 07/22/2011
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.: 1103 Measured
Concrete Supplier: Southern Star Placement Date: 05/26/2011 Slump
Plant: 111 Weather Conditions: Sunny (inches)
Specification Requirements Time Sampled: 04:OOpm Batch time: 03:25pm 3.0
Strength: 4,200 psi @ 28 days Temperature - Air: 86 °F Concrete: 89 °F
Slump (in.): 2" - 4" Truck No: 1089 Ticket No: 01838284
Air ( %): 3% - 6% Air Content: 3.4% Unit Weight (pcf): NA
Test Method: ASTM C -172 Overall Placement Location:
ASTM C -31 (except 10.1.2) Existing manhole #2
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 (lbs) (psi) Type
1 1 06/02/2011 7 5.99 28.18 95,740 3,400 Type 5
1 2 06/23/2011 28 6.00 28.27 124,300 4,400 Type 2
1 3 06/23/2011 28 6.00 28.27 117,710 4,160 Type 2
Average 4,280
1 4 07/21/2011 56 6.00 28.27 130,870 4,630 Type 2
•i r
NI � r
< S Li.:
I I i
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
Remarks: Water added at site: 4 gallons
Technician: Korey Neal Started: 02:30pm Finished: 05:15pm Rone Engineering
Report Distribution:
Orig: JR Rose Development Companies (Coppell, 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.
(TM /JC)
Page 1 of 1