Duke Lesley 1A-LR080122
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, 8te 600, Houston, TX 77040
4421 Freidrich, 8te 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concr"tte Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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 1.0.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Clear
Time Sampled: 03:20am
Temperature - Air: 400F
Truck No: 133
Air Content: 4.6%
Overall Placement Location:
Parking lot, paving, north side of building 6
Sample Location:
10' west from northwest corner of building 6
REPORT OF TESTS
Batch time: 03:03am
Concrete: 550F
Ticket No: 18379
Unit Weight (pet): NA
Measured
Slump
(inches)
5.0
Cylinder
Marked Date
Set No. Tested
1 1 01/21/2008
1 2 02/11/2008
1 3 02/11/2008
4 03/10/2008
Age
(days)
7
Diameter
(in)
6.00
28
28
56
~EJ ~~ ~ tJ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
113,440
Area
(in')
28.27
Type 6
Compressive
Strength
(psi)
4,010
Fracture
Type
Type2
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.
(TMlKW) Page 1 of 19
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 &00, Houston, TX 77040
4421 Freidrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) &30-9745
Report of Concrete Compressive Strength Test
Report No.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Req uirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Clear
Time Sampled: 03:50am
Temperature - Air: 400F
Truck No: 103
Air Content: 4.3%
Overall Placement Location:
Parking lot, paving, north side of building 6
Sample Location:
25' west from northwest corner of building 6
REPORT OF TESTS
Batch time: 03:32am
Concrete: 540F
Ticket No: 18379
Unit Weight (pet): NA
Measured
Slump
(inches)
5.0
Cylinder
Marked Date
Set No. Tested
2 1 01/21/2008
2 2 02/11/2008
2 3 02/11/2008
2 4 03/10/2008
Age
(days)
7
Diameter
(in)
6.00
28
28
56
~~ ~[g [ill] t] DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
111,950
Area
(in2)
28.27
Type 6
Compressive
Strength
(psi)
3,960
Fracture
Type
Type2
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.
(TMIKW) Page 3 of 19
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.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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 1.0.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Cledr
Time Sampled: 04:48am
Temperature - Air: 410F
Truck No: 138
Air Content: 4.5%
Overall Placement Location:
Parking lot, paving, north side of building 6
Sample Location:
90' west from northwest corner of building 6
REPORT OF TESTS
Batch time: 04:38am
Concrete: 560F
Ticket No: 18392
Unit Weight (pct): NA
Measured
Slump
(inches)
5.5
Cylinder
Marked Date
Set No. Tested
3 1 01/21/2008
3 2 02/11/2008
3 3 02/11/2008
3 4 03/10/2008
Age
(days)
7
Diameter
(in)
6.00
28
28
56
0E3 ~~ [ill] t] DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
98,810
Area
(in')
28.27
Type 6
Compressive
Strength
(psi)
3,490
Fracture
Type
Type5
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.
(TMIKW) Page 5 of 19
Rone Engineering
.
Client:
Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, TX 75254-2936
8908 Ambassatlor Row, Dallas, TX 75247
7701 W Little York, Ste 600, Houston, TX 77040
4421 Freitlrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Su,...plier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Clear
Time Sampled: 05:50am
Temperature-Air: 410F
Truck No: 135
Air Content: 4.2%
Overall Placement Location:
Parking lot, paving, north side of building 6
Measured
Slump
(Iilches)
5.0
Batch time: 05:32am
Concrete: 570F
Ticket No: 18405
Unit Weight (pct): NA
Sample Location:
180' west from northwest corner of building 6
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
4 1 01/21/2008 7 6.00 28.27 102,810 3,640 Type2
4 2 02/11/2008 28
4 3 02/11/2008 28
4 4 03/10/2008 56
~LJ ~~ ~ E] DO D
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.
(TMfKW) Page 7 of 19
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.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM C-1 064
ASTM C-138
ASTM C-39
Mix Design I.D.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Sunny
Time Sampled: 06:43am
Temperature - Air: 350F
Truck No: 133
Air Content: 4.2%
Overall Placement Location:
Parking lot, paving, north side of building 6
Measured
Slump
(inches)
5.5
Batch time: 06:20am
Concrete: 520F
Ticket No: 18417
Unit Weight (pet): NA
Sample Location:
210' west from northwest corner of building 6
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
5 1 01/21/2008 7 6.00 28.27 109,850 3,890 Type6
5 2 02/11/2008 28
5 3 02/11/2008 28
5 4 03/10/2008 56
~rl ~0 ~ ~ DO D
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.
(TMlKW) Page 9 of 19
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.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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 1.0.: 7753PW6
Placement Date: 01/14/21"'08
Weather Conditions: Sunny
Time Sampled: 07:28am
Temperature - Air: 380F
Truck No: 133
Air Content: 4.8%
Overall Placement Location:
Parking lot, paving, north side of building 6
Measured
Slump
(inches)
5.5
Batch time: 06:54am
Concrete: 540F
Ticket No: 18425
Unit Weight (pet): NA
Sample Location:
270' west from northwest corner of building 6
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
6 1 01/21/2008 7 6.00 28.27 119,610 4,230 Type2
6 2 02/11/2008 28
6 3 02/11/2008 28
6 4 03/10/2008 56
Br3 ~~ [ill] E] DO D
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/KW) Page 11 of 19
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.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier~ Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Sunny
Time Sampled: 08:35am
Temperature - Air: 440F
Truck No: 103
Air Content: 4.5%
Overall Placement Location:
Parking lot, paving, north side of building 6
Measured
Slulr'P
(inch us)
5.0
Batch time: 08: 11 am
Concrete: 540F
Ticket No: 18434
Unit Weight (pet): NA
Sample Location:
330' west from northwest corner of building 6
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
7 1 01/21/2008 7 6.00 28.27 104,110 3,680 Type2
7 2 02/11/2008 28
7 3 02/11/2008 28
7 4 03/10/2008 56
~r3 ~g] 5IE ~ DO D
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.
(TMlKW) Page 13 of 19
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.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 1
Specification Requirements
Strength: 4,000 psi @28 days
Slump (in.): 3" - 5"
Air (%): 3% - 5%
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.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Sunny
Time Sampled: 09:30am
Temperature - Air: 440F
Truck No: 126
Air Content: 4.6%
Overall Placement Location:
Parking lot, paving, north side of building 6
Measured
Slump
(inches)
5.5
Batch time: 08:55am
Concrete: 540F
Ticket No: 18443
Unit Weight (pet): NA
Sample Location:
420' west from northwest corner of building 6
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
8 1 01/21/2008 7 6.00 28.27 109,680 3,880 Type2
8 2 02/11/2008 28
8 3 02/11/2008 28
8 4 03/10/2008 56
0[3 ~~ 5IE lS] DO D
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, LId.
(TMlKW) Page 15 of 19
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.: 310619
Project No.: 0713408
Date of Service: 01/14/2008
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Conc"~ete
Plant: 1
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%}: 3% - 5%
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 1.0.: 7753PW6
Placement Date: 01/14/2008
Weather Conditions: Sunny
Time Sampled: 10:30am
Temperature - Air: 490F
Truck No: 126
Air Content: 4.6%
Overall Placement Location:
Parking lot, paving, north side of building 6
Sample Location:
460' west from northwest corner of building 6
REPORT OF TESTS
Batch time: 09:54am
Concrete: 530F
Ticket No: 18451
Unit Weight (pct): NA
Measured
Slump
(inches)
5.0
Cylinder
Marked Date
Set No. Tested
9 1 01/21/2008
9 2 02/11/2008
9 3 02/11/2008
9 4 03/10/2008
Age
(days)
7
Diameter
(in)
6.00
28
28
56
~Ej ~Q] ~ lSJ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
97,060
Area
(in2)
28.27
Type 6
Compressive
Strength
(psi)
3,430
Fracture
Type
Type2
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/KW) Page 17 of 19
Rone En~==
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.: 308783
Project No.: 0713408
Date of Service: 12/21/2007
Report Date: 01/22/2008
Project: Point West VI
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: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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:
Concrete: 550F
Ticket No: NA
Unit Weight (pet): NA
Measured
Slump
(inches)
5.0
Mix Design I.D.: 7753
Placeml9nt Date: 12/21/2007
Weather Conditions: Clear
Time Sampled: 03: 15am
Temperature - Air: 400F
Truck No: 142
Air Content: 4.5%
Overall Placement Location:
Paving - parking spaces and driveway on north side of building and northwest corner
Sample Location:
160' north from grid line A/17.3
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 12/28/2007 7 6.00 28.27 116,470 4,120 Type2
1 2 01/18/2008 28 6.00 28.27 154,560 5,470 Type2
1 3 01/18/2008 28 6.00 28.27 165,710 5,860 Type2
Average 5,660
1 4 02/15/2008 56
0EJ ~Q] ffi] E;J DO D
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 nesponsibility 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 addnessed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd.
(KW/KW) Page 1 of 10
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.: 308783
Project No.~ 0713408
Date of Service: 12/21/2007
Report Date: 01/22/2008
Project: Point West VI
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
2 1 12/28/2007 7 6.00 28.27 105,570 3,730
2 2 01/18/2008 28 6.00 28.27 147,850 5,230
2 3 01/18/2008 28 6.00 28.27 146,070 5,170
Average 5,200
2 4 02/15/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~tj ~[!J ~ ~ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Batch time:
Concrete: 520F
Ticket No: NA
Unit Weight (pet): NA
Measured
Slump
(inches)
5.75
Mix Design I.D.: 7753
Placement Date: 12/21/2007
Weather Conditions: Chlar
Time Sampled: 05:15am
Temperature - Air: 420F
Truck No: 137
Air Content: 4.7%
Overall Placement Location:
Paving - parking spaces and driveway on north side of building and northwest corner
Sample Location:
120' north from grid line N16.3
Fracture
Type
Type5
Type3
Type3
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.
(KW/KW) Page 2 of 10
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 Freldrich, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 308783
Project No.: 0713408
Date of Service: 12/21/2007
Report Date: 01/22/2008
Project: Point West VI
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
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
3 1 12/28/2007 7 6.00 28.27 95,890 3,390
3 2 01/18/2008 28 6.00 28.27 132,310 4,680
3 3 01/18/2008 28 6.00 28.27 135,680 4,800
Average 4,740
3 4 02/15/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~r3 ~~ &E ~ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Measured
Slump
(1Ilches)
5.25
Mix Design 1.0.: 7753
Placement Date: 12/21/2007
Weather Conditions: Clear, windy
Time Sampled: 07:00am Batch time:
Temperature - Air: 550F Concrete: 580F
Truck No: 136 Ticket No: NA
Air Content: 5.7% Unit Weight (pet): NA
Overall Placement Location:
Paving - parking spaces and driveway on north side of building and northwest corner
Sample Location:
100' north from grid line A/6.3
Fracture
Type
Type5
Type2
Type5
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.
(KW/KW) Page 4 of 10
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.: 308783
Project No.: 0713408
Date of Service: 12/21/2007
Report Date: 01/22/2008
Project: Point West VI
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
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
4 1 12/28/2007 7 6.00 28.27 95,130 3,360
4 2 01/18/2008 28 6.00 28.27 121,440 4,300
4 3 01/18/2008 28 6.00 28.27 116,560 4,120
Average 4,210
4 4 02/15/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~r3 ~l9 Brn ~ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Measured
Slump
(inches)
5.5
Mix Design 1.0.: 7753
Placement Date: 12/21/2007
Weather Conditions: Clear, windy
Time Sampled: 08:34am Batch time:
Temperature - Air: 450F Concrete: 550F
Truck No: 137 Ticket No: NA
Air Content: 5.5% Unit Weight (pet): NA
Overall Placement Location:
Paving - parking spaces and driveway on north side of building and northwest corner
Sample Location:
160' north from grid line A/4.7
Fracture
Type
Type5
Type6
Type2
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.
(KW/KW) Page 6 of 10
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.: 308783
Project No.: 0713408
Date of Service: 12/21/2007
Report Date: 01/22/2008
Project: Point West VI
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
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
5 1 12/28/2007 7 6.00 28.27 91,510 3,240
5 2 01/18/2008 28 6.00 28.27 126,890 4,490
5 3 01/18/2008 28 6.00 28.27 116,720 4,130
Average 4,310
5 4 02/15/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~E3 ~Q] Krn ~ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Measured
Slump
(inches)
5.25
Mix Design 1.0.: 7753
Placement Date: 12/21/2007
Weather Conditions: Clear, windy
Time Sampled: Batch time:
Temperature - Air: 550F Concrete: 580F
Truck No: 137 Ticket No: NA
Air Content: 5.7% Unit Weight (pet): NA
Overall Placement Location:
Paving - parking spaces and driveway on north side of building and northwest corner
Sample Location:
120' north from g rid line A/1. 7
Fracture
Type
Type2
Type2
Type6
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.
(KW/KW) Page 8 of 10
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.: 308783
Project No.: 0713408
Date of Service: 12/21/2007
Report Date: 01/22/2008
Project: Point West VI
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
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
6 1 12/28/2007 7 6.00 28.27 103,130 3,650
6 2 01/18/2008 28 6.00 28.27 153,740 5,440
6 3 01/18/2008 28 6.00 28.27 150,060 5,310
Average 5,370
6 4 02/15/2008 56
Contractor: Duke Construction, LP
Concrete SUPf lier: Potter Concrete
F lant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~E3 ~[g ~ fJ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
Measured
Slump
(inches)
6.0
Mix Design I.D.: 7753
Placement Date: 12/21/2007
Weather Conditions: Sunny, windy
Time Sampled: 11 :04am Batch time:
Temperature - Air: GOOF Concrete: 580F
Truck No: 129 Ticket No: NA
Air Content: 5.6% Unit Weight (pet): NA
Overall Placement Location:
Paving - parking spaces and driveway on north side of building and northwest comer
Sample Location:
120' north, 70' west from grid line A/1
Fracture
Type
Type6
Type3
Type3
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.
(KWIKW) Page 9 of 10
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: (2141630-9745
Report of Concrete Compressive Strength Test
Report No.: 308966
Project No.: 0713408
Date of Service: 12/22/2007
Report Date: 01/22/2008
Project: Point West VI
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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 1.0.: 7753
Placement Date: 12/22''!007
Weather Conditions: Clear
Time Sampled: 03:30am
Temperature - Air: 550F
Truck No: 109
Air Content: 5.8%
Overall Placement Location:
Paving, driveway, east side of project
Batch time:
Concrete: 580F
Ticket No: NA
Unit Weight (pct): NA
Measured
Slump
(inches)
5.0
Sample Location:
100' north, 30' east from grid lines A/42
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 12/29/2007 7 6.00 28.27 116,140 4,110 Type2
1 2 01/19/2008 28 6.00 28.27 159,790 5,650 Type2
1 3 01/19/2008 28 6.00 28.27 148,900 5,270 Type2
Average 5,460
1 4 02/16/2008 56
~EJ ~Q] Krn [;] DO D
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.
(KW/KW) Page 1 of 10
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.: 308966
Project No.: 0713408
Date of Service: 12/22/2007
Report Date: 01/22/2008
Project: Point West VI
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in2) (Ibs) (psi)
2 1 12/29/2007 7 6.00 28.27 118,270 4,180
2 2 01/19/2008 28 6.00 28.27 163,960 5,800
2 3 01/19/2008 28 6.00 28.27 165,640 5,860
Average 5,830
2 4 02/16/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~E:j ~~ ~ E;J DO D
Type 1
Type 2 Type 3 Type 4
Type 5
rROJEf;T DATA
Mix Design I.D.: 7753
Placement Date: 12/22/2007
Weather Conditions: Clear
Time Sampled: 04:57am
Temperature - Air: 570F
Truck No: 136
Air Content: 5.7%
Overall Placement Location:
Paving, driveway, east side of project
Batch time:
Concrete: 580F
Ticket No: NA
Unit Weight (pet): NA
Measured
Slump
(inches)
5.75
Sample Location:
55' east from northeast corner of building, grid line A.5/42
Fracture
Type
Type2
Type6
Type6
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.
(KW/KW) Page 2 of 10
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.: 308966
Project No.: 0713408
Date of Service: 12/22/2007
Report Date: 01/22/2008
Project: Point West VI
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in2) (Ibs) (psi)
3 1 12/29/2007 7 6.00 28.27 118,490 4,190
3 2 01/19/2008 28 6.00 28.27 170,370 6,030
3 3 01/19/2008 28 6.00 28.27 171,860 6,080
Average 6,050
3 4 02/16/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~t:J ~~ ~ ~ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design 1.0.: 7753
Placement Date: 12/22/2007
Weather Conditions: Clear
Time Sampled: 06:00am
Temperature - Air: 530F
Truck No: 142
Air Content: 5.0%
Overall Placement Location:
Paving, driveway, east side of project
Batch time:
Concrete: 570F
Ticket No: NA
Unit Weight (pct): NA
Measured
Slump
(inches)
5.25
Sample Location:
30' east from grid lines D.7/42
Fracture
Type
Type6
TypeS
Type2
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.
(KW/KW) Page 4 of 10
Rone En2==
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.: 308966
Project No.: 0713408
Date of Service: 12/22/2007
Report Date: 01/22/2008
Project: Point West VI
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
4 1 12/29/2007 7 6.00 28.27 154,150 5,450
4 2 01/19/2008 28 6.00 28.27 207,600 7,340
4 3 01/19/2008 28 6.00 28.27 211,540 7,480
Average 7,410
4 4 02/16/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @28 days
Slump (in.): 4" - 6"
Air (%): 4% - 6%
Test Method: ASTM C-172
ASTM C-31 (except 10.1.2)
ASTM C-143
ASTM C-231
ASTM C-1 064
ASTM C-138
ASTM C-39
~EJ ~Q] [ill] LSJ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design 1.0.: 7753
Placement Date: 12/22/2007
Weather Conditions: Clear
Time Sampled: 08:45am
Temperature - Air: 550F
Truck No: 137
Air Content: 4.5%
Overall Placement Location:
Paving, driveway, east side of project
Batch time:
Concrete: 640F
Ticket No: NA
Unit Weight (pet): NA
Measured
Slump
(inches)
4.5
Sample Location:
60' east from grid line E 1/42
Fracture
Type
Type2
Type3
Type2
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.
(KW/KW) Page 5 of 10
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.: 308966
Project No.: 0713408
Date of Service: 12/22/2007
Report Date: 01/22/2008
Project: Point West VI
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in2) (Ibs) (psi)
5 1 12/29/2007 7 6.00 28.27 139,210 4,920
5 2 01/19/2008 28 6.00 28.27 183,740 6,500
5 3 01/19/2008 28 6.00 28.27 188,590 6,670
Average 6,580
5 4 02/16/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~t:J ~~ [illj ~ DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design 1.0.: 7753
Placement Date: 12/22/2007
Weather Conditions: Clear
Time Sampled: 10:32am
Temperature - Air: 480F
Truck No: 137
Air Content: 4.9%
Overall Placement Location:
Paving, driveway, east side of project
Batch time:
Concrete: 550F
Ticket No: NA
Unit Weight (pet): NA
Measured
Slump
(inches)
4.75
Sample Location:
50' east from grid lines K.1/42
Fracture
Type
Type2
Type6
Type3
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.
(KW/KW) Page 7 of 10
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, 8te 600, Houston, TX 77040
4421 Freidrich, 8te 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 308966
Project No.: 0713408
Date of Service: 12/22/2007
Report Date: 01/22/2008
Project: Point West VI
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.
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
6 1 12/29/2007 7 6.00 28.27 116,570 4,120
6 2 01/19/2008 28 6.00 28.27 152,200 5,380
6 3 01/19/2008 28 6.00 28.27 154,720 5,470
Average 5,430
6 4 02/16/2008 56
Contractor: Duke Construction, LP
Cor crete Supplier: Potter Concrete
Plant: On site
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 4" - 6"
Air (%): 4% - 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
~r3 ~~ 5IE E;J DO D
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design I.D.: 7753
Placement Date: 12/22/2007
Weather Conditions: Mostly cloudy, windy
Time Sampled: 12:45pm Batch time:
Temperature - Air: 450F Concrete: 600F
Truck No: 131 Ticket No: NA
Air Content: 5.7% Unit Weight (pet): NA
Overall Placement Location:
Paving, driveway, east side of project
Measured
Slump
(inches)
5.0
Sample Location:
95' south, 50' east from grid lines U42
Fracture
Type
Type2
Type6
Type2
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.
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