Duke Lesley 3C-LR071220
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 Freidrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 306150
Project No.: 0711530
Date of Service: 11/21/2007
Report Date: 12/20/2007
Project: Point West Office I
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 01
Specification Requirements
Strength: 3,000 psi @ 28 days
Slump (in.): 5" maximum
Air (%): NA
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
Mix Design I.D.: 9701 PW
Placement Date: 11/21/2007
Weather Conditions: Cloudy
Time Sampled: 08:00am
Temperature - Air: 640F
Truck No: 104
Air Content: NA
Overall Placement Location:
Slab Leave-out
Measured
Slump
(inches)
5.0
Batch time: 07: 18am
Concrete: 800F
Ticket No: 16957
Unit Weight (pcf): NA
Sample Location:
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 11/28/2007 7 6.00 28.27 103,550 3,660 Cone/Split
1 2 12/19/2007 28 6.00 28.27 148,050 5,240 Cone/Split
1 3 12/19/2007 28 6.00 28.27 146,000 5,160 Cone/Split
Average 5,200
1 4 01/16/2008 56
Remarks: Water added at site: 20 gallons
Started: 06:15am Finished: 09:30am
Technician: Jason Shipe
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne
(1-ec copy)
1-cc Potter Concrete Attn: Mr Ryan Skelly
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
Rone Engineering
p-~.~
K. Scott Watson, 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.
(KW/KW) Page 1 of 1
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
Client:
Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, TX 75254-2936
Report of Pachometer Inspection
Report No.: 308254
Project No.: 0711530
Date of Service: 12/17/2007
Report Date: 12/20/2007
Project: Point West Office I
Services: Pachometer Inspection
Report of Inspection
Descriotion Location
S lab on Grade
Structural Slab
Column
P a vi n a
Grade Beam
CMU Block
Tilt Wall Panel Panel19, 3rd level, where concrete is busted out
Other
Locations of what appeared to be Reinforcing Steel were marked on the surface of the areas
requested by the client.
Every effort has been made to locate all reinforcing in the designated areas. However, this method of
location is affected by both depth of the reinforcing, the close proxim ity of any type of metal to the area
being inspected and the presence of an electromagnetic field. This inspection does not provide the
In the event any type of metal is encountered during drilling operations, drilling should be discontined
until further drilling is authorized by the engineer of record. Rone Engineering should be notified if
further assistance is required in reviewing the area to be drilled.
Remarks: Both horizontal and vertical bars appear to be spaced 12" apart. 3" from edge, 4' x 6' area, checked both sides.
Technician: Dickie Timmons Started: 08:45am
Report Distribution:
Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne
(1-ec copy)
1-ec Duke Construction, LP Attn: Mr. Jason Sulzener
1-cc City of Coppell Attn: Mr. Lee Stone
1-cc City of Coppell Attn: Mr. Larry Davis
Finished: 1 0:45am
Rone Engineering
p~.~
K. Scott Watson, 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/LB) Page 1 of 1