Duke Lesley 3A-LR1003298908 Ambassador Row, Dallas, TX 75247
Ro n e 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 Com pressive Strength Test
Client: Duke Construction, LP Report No.: 368622
14241 Dallas Pkwy, Ste 1000 Project No.: 0915747
Dallas, TX 75254 -2936 Date of Service: 02/27/2010
Report Date: 03/29/2010
Project: Samsung -Point West VII Parking Lot Expansion
Coppell, Texas
Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive samp s and bring
samples back to the laboratory for curing and testing in accordance with applicable standards.
PROJECT DATA
Contractor:
Duke Construction, LP
Concrete Supplier: LMC
Plant:
7
Specification Requirements
Strength:
4,000 psi @ 28 days
Slump (in.):
4" - 6"
Air ( %):
5% maximum
Test Method:
ASTM C -172
Batch time: 06:32am
ASTM C -31 (except 10.1.2)
Temperature - Air:
ASTM C -143
Concrete: 45 °F
ASTM C -231
Truck No:
ASTM C -1064
Ticket No: 7214917
ASTM C -138
Air Content:
ASTM C -39
Mix Design I.D.:
1621
Vi'
Measured
Placement Date:
02/27/2010
Compressive
Slump
Weather Conditions:
Clear
Age
(inches)
Time Sampled:
07:10am
Batch time: 06:32am
4.0
Temperature - Air:
32 °F
Concrete: 45 °F
(in)
Truck No:
9150
Ticket No: 7214917
Type
Air Content:
5.5%
Unit Weight (pcf): NA
5.99
Overall Placement Location:
130,560
4,630
1. Approach at middle of east side of building.
2. Northeast entrance paving
to existing
slab of paving. (cont below)
Sample Location:
Approach, southeast corner (curb), 2' north, 1' west
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
03/06/2010
7
5.99
28.18
130,560
4,630
Type 2
1 2
03/27/2010
28
6.00
28.27
163,440
5,780
Type 2
1 3
03/27/2010
28
6.00
28.27
154,420
Type 5
Average
0
1 4
04/24/2010
56
[ILI
<11 X I L' I �' -1112 - F1
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6
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 /NF)
Page 1 of 2
Rone Engineering
8908 Ambassador Row, Dallas, TX 75247
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: Duke Construction, LP Report No.: 368622
14241 Dallas Pkwy, Ste 1000 Project No.: 0915747
Dallas, TX 75254 -2936
Date of Service: 02/27/2010
Report Date: 03/29/2010
Project: Samsung -Point West VII Parking Lot Expansion
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.
Remarks: Cont: 3. Northeast entrance curb on right side.
Results to superintendent.
I PA
Technician: Henry Nichols Started: 06:15am Finished: 08:30am Rone Engineering
Report Distribution:
Ong: Duke Construction, LP (Dallas, TX) - -_ - - --
Attn: Ms. Ashley Hair (1 -ec copy)
1 -ec Duke Construction, LP Attn: Mr. Andy (Maverick) Otten
1 -ec Rone Project Manager Attn: Mr. K. Scott Watson AET K. Scott Watson, AET
1 -ec City of Coppell Attn: Mr. Lee Stone
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 /NF)
Page 2 of 2