Duke Lesley-LR070919 (3)
Rone Engineering
.,
Client: Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, TX 75254-2936
8908 Ambassador Row, Dallas, TX 75247
7701 W LIttle York, Ste 600, Houston, TX 77040
4421 Freldrlch, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 296142
Project No.: 0612510
Date of Service: 08/2012007
Report Date: 09/19/2007
Project: Lesley Infrastructure
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.
Contractor:
Concrete Supplier: Lacey
Plant: On site
Specification Requirements
Strength: 3,600 psi @ 28 days
Slump (in.): 6" maximum
Air (%): 3% - 6%
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM C-1064
ASTM C-138
ASTM C-39
PROJECT DATA
Mix Design I.D.: 5194
Placement Date: 08/20/2007
Weather Conditions: Clear
Time Sampled: 07:45am
Temperature - Air: 800F
Truck No: NA
Air Content: 4.7%
Overall Pla~ement Location:
Paving for west bound turn lanes and medians, Stations 37+00-39+25, 40+00, 44+25,
28+25-31+50, (continue)
Batch time: 07:40am
Concrete: 850F
Ticket No: NA
Unit Weight (pet): NA
Measured
Slump
(inches)
1.25
Sample Location:
Station 42+50
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) (in2) (Ibs) (psi) Type
1 1 08/23/2007 3 6.00 28.27 82,160 2,910 Unbonded Cap
1 2 08/27/2007 7 6.00 28.27 91,630 3,240 Unbonded Cap
1 3 09/17/2007 28 6.00 28.27 111,590 3,950 Shear
1 4 09/17/2007 28 6.00 28.27 106,840 3,780 Cone/Split
Average 3,860
Remarks: Cont.: 22+00-23+35 (median), 34+00-34+70 (median).
LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsiblllty for variation In quality
(composition, appearance, etc.) or any other feature of similar SUbject mailer 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.
(OMlLB) Page 1 of 3
Rone Engineering
.
Client: Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, TX 75254-2936
8908 Ambassador Row, Dallas, TX 75247
7701 W Little York, Ste 600, Houston, TX 77040
4421 Freldrlch, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 296142
Project No.: 0612510
Date of Service: 08/20/2007
Report Date: 09/19/2007
Project: Lesley Infrastructure
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:
Concrete Supplier: Lacey
Plant: On site
Specification Requirements
Strength: 3,600 psi @ 28 days
Slump (in.): 6" maximum
Air (%): 3% - 6%
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM C-1064
ASTM C-138
ASTM C-39
Batch time: 10:25am
Concrete: 830F
Ticket No: NA
Unit Weight (pcf): NA
Measured
Slump
(inches)
1.75
Mix Design J.D.: 5194
Placement Date: 08/20/2007
Weather Conditions: Clear
Time Sampled: 10:30am
Temperature - Air: 860F
Truck No: NA
Air Content: 4.9%
Overall Placement Location:
Paving for west bound turn lanes and medians, Stations 37+00-39+25, 40+00, 44+25,
28+25-31+50, (continue)
Sample Location:
Station 22+50, median
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
2 1 08/23/2007 3 6.00 28.27 74,460 2,630 Unbonded Cap
2 2 08/27/2007 7 6.00 28.27 81,580 2,890 Unbonded Cap
2 3 09/17/2007 28 6.00 28.27 102,740 3,630 Cone/Split
2 4 09/17/2007 28 6.00 28.27 100,870 3,570 Cone/Split
Average 3,600
Remarks: Cant.: 22+00-23+35 (median), 34+00-34+70 (median).
LlMlTA nONS: 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 wlthoutlhe written approval of Rone Engineering Services, Ltd.
(DMlLB) Page 2 of 3 .