Duke Lesley 3C-LR080213
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
Project: Point West Office " 3C
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)
1 1 01/22/2008 7 6.00 28.27 122,240 4,320
1 2 02/12/2008 28 6.00 28.27 160,700 5,680
1 3 02/12/2008 28 6.00 28.27 151,380 5,350
Average 5,520
4 03/11/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
F::/1 [Al fnT] In lffil ~-l r-"'--11'--J' rl
I/<j /.01 f~:'~<: f::-~j Llld I... '~J . . I ...' .... ......
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT OAT A
Mix Design 1.0.: 7752
Placement Date: 01/15/2008
Weather Conditions: Clear
Time Sampled: 04:30am
Temperature - Air: 340F
Truck No: 117
Air Content: 4.8%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 04:13am
Concrete: 500F
Ticket No: 10097
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.0
Sample Location:
30' west from northeast corner of building 1 - sample taken from truck
Fracture
Type
Type2
TypeS
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.
(CH/KW) Page 1 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT DATA
Mix Design 1.0.: 7752
Placement Date: 01/15/2008
Weather Conditions: Clear
Time Sampled: 05:40am
Temperature - Air: 350F
Truck No: 109
Air Content: 5.1 %
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 05:30am
Concrete: 520F
Ticket No: 10108
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.0
Sample Location:
20' north from northeast corner of building 1 - sample taken from truck
REPORT OF TESTS
Age Diameter Area
(days) (in) (in')
7 6.00 28.27
28 5.98 28.09
28 6.00 28.27
Cylinder
Marked
Set No.
- -
2 1
Date
Tested
01/22/2008
2
2
2
3
02/12/2008
02/12/2008
2
4
03/11/2008
56
t:-/j r~71 ITIll ITl
'~I (~1 !~~~ [~'~l
DB
Type 3
f~] r-] 1''''] r~]
Type 1
Type 2
Type 4
Type 5
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
123,430
Compressive
Strength
(psi)
4,370
Fra(:ture
Type
Type2
159,850
165,930
Average
5,690
5,870
5,780
Type2
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.
(CH/KW) Page 3 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT OAT A
Mix Design 1.0.: 7752
Placement Date: 01/15/2008
Weather Conditions: Clear
Time Sampled: 06:38am
Temperature - Air: 390F
Truck No: 140
Air Content: 4.4%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 06: 1 Oam
Concrete: 540F
Ticket No: 10115
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.0
Sample Location:
90' east from northeast corner of building 1 - sample taken from pump
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
3 1 01/22/2008 7 6.00 28.27 112,450 3,980 Type6
3 2 02/12/2008 28 6.00 28.27 147,460 5,220 Type6
3 3 02/12/2008 28 6.00 28.27 140,070 4,950 Type6
Average 5,080
3 4 03/11/2008 56
M [Xl rml ill RTIl ~--l r---'-li' [r-'l
I'>:~ r ....~1 IV'<'II:!:~'~ 1'~~U I.':i . I J ..
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.
(CH/KW) Page 5 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: DJke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT DATA
Mix Design I.D.: 7752
Placement Date: 01/15/2008
Weather Cond'tions: Sunny
Time Sampled; 08:21am
Temperature - Air: 350F
Truck No: 130
Air Content: 4.3%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 07:52am
Concrete: 530F
Ticket No: 10126
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.5
Sample Location:
24' east from southeast corner of building 1 - sample taken from pump
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 01/22/2008 7 6.00 28.27 111,410 3,940 Type5
4 2 02/12/2008 28 6.00 28.27 131,050 4,630 Type2
4 3 02/12/2008 28 6.00 28.27 138,300 4,890 Type5
Average 4,760
4 4 03/11/2008 56
Mpj [IJlQ] ill] tl [10 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.
(CHIKW) Page 7 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT DATA
Mi>'. Design I.D.: 7752
Placement Date: 01/15/2008
Weather Conditions: Sunny
Time Sampled: 10:15am
Temperature - Air: 500F
Truck No: 117
Air Content: 4.5%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 09.53am
Concrete: 580F
Ticket No: 10144
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.5
Sample Location:
90' south from southeast corner of building 1 (center) - sample taken from pump
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 01/22/2008 7 6.00 28.27 120,700 4,270 Type3
5 2 02/12/2008 28 6.00 28.27 154,170 5,450 Type2
5 3 02/12/2008 28 6.00 28.27 153,590 5,430 Type2
Average 5,440
5 4 03/11/2008 56
013 ~~ [g [J] C~ r---] I'~] r~]
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.
(CH/KW) Page 9 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT DATA
Mix Design I.D.: 7752
Placement Date: 01/15/2008
Weather Conditions: Sunny
Time Sampled: 10:41am
Temperature - Air: 610F
Truck No: 101
Air Content: 4.2%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 10:16am
Concrete: 570F
Ticket No: 10149
Unit Weight (pet): NA
Measured
Slump
(inches)
4.5
Sample Location:
180' south from southeast corner of building 1 - sample taken from pump
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 01/22/2008 7 6.00 28.27 99,740 3,530 Type2
6 2 02/12/2008 28 6.00 28.27 122,930 4,350 Type6
6 3 02/12/2008 28 5.99 28.18 123,880 4,400 Type6
Average 4,370
6 4 03/11/2008 56
f-~ I '- 71 IT1~ rl' f~ f'.-l r---l ~-J l;-r--"":j
""'./ /'.'.., ; ( \ ( ...' ",
. /<, /. ....' J"',,/:~, \\IJ"', . .
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 approvai of Rone Engineering Services, Ltd.
(CHIKW) Page 11 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
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)
7 1 01/22/2008 7 6.00 28.27 150,260 5,310
7 2 02/12/2008 28 6.00 28.27 169,900 6,010
7 3 02/12/2008 28 6.00 28.27 177,410 6,270
Average 6,140
7 4 03/11/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
M~ fDJlp;J f\rn fl nn n
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design I.D.: 7752
Placement Date: 01/15/2008
Weather Conditions: Sunny
Time Sampled: 12:30pm
Temperature - Air: 600F
Truck No: 117
Air Content: 4.7%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 12:00pm
Concrete: 640F
Ticket No: 10162
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.0
Sample Location:
270' south from southeast corner of building 1 - sample taken from pump
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.
(CH/KW) Page 13 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
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)
8 1 01/22/2008 7 6.00 28.27 127,460 4,510
8 2 02/12/2008 28 6.00 28.27 151,130 5,350
8 3 02/12/2008 28 6.00 28.27 165,530 5,850
Average 5,600
8 4 03/11/2008 56
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
Specificcation 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
fFlP3 ~[g [d E;J r--l~] rl
Type 1
Type 2 Type 3 Type 4
Type 5
PROJECT DATA
Mix Design 1.0.: 7752
Placement Date: 01/15/2008
Weather Conditions: Sunny
Time Sampled: 01:30pm
Temperature - Air: 620F
Truck No: 109
Air Content: 4.3%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 01 :08pm
Concrete: 580F
Ticket No: 10173
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.5
Sample Location:
360' south from southeast corner of building 1 - sample taken from pump
Fracture
Type
Type6
Type5
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.
(CH/KW) Page 15 of 20
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 Freidrlch, Ste 195, Austin, TX 78744
Corporate Phone: (214) 630-9745
Report of Concrete Compressive Strength Test
Report No.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: Duke Construction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT DATA
Mix Design 1.0.: 7752
Placement Date: 01/15/2008
Weather Conditions: Sunny
Time Sampled: 02:10pm
Temperature - Air: 650F
Truck No: 109
Air Content: 4.6%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 01:41 pm
Concrete: 610F
Ticket No: 10179
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.5
Sample Location:
392' south from southeast corner of building 1 (center) - sample taken from truck
REPORT OF TESTS
Age Diameter Area
(days) (in) (in2)
7 6.00 28.27
28 6.00 28.27
28 6.00 28.27
Cylinder
Marked
Set No.
- -
9 1
Date
Tested
01/22/2008
9
9
2
3
02/12/2008
02/12/2008
9
4
03/11/2008
56
1:>1 rl [P] Pl
f~~:,1 r-'-ll'~] r~"1
'II
\J.,j
I, Ii
Y.,L
Type 3 Type 4
Type 5
Type 1
Type 2
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
88,410
Compressive
Strength
(psi)
3,130
Fracture
Type
Type6
127,330
120,950
Average
4,500
4,280
4,390
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.
(CHIKW) Page 17 of 20
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.: 310749
Project No.: 0711530
Date of Service: 01/15/2008
Report Date: 02/13/2008
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.
Contractor: Duke ConstnJction, LP
Concrete Supplier: Potter Concrete
Plant: 10
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
PROJECT DATA
Mix Design 1.0.: 7752
Placement Date: 01/15/2008
Weather Conditions: Sun'1Y
Time Sampled: 03:10pm
Temperature - Air: 650F
Truck No: 117
Air Content: 4.7%
Overall Placement Location:
Fire lane paving - North side of building 1
Batch time: 01 :59pm
Concrete: 630F
Ticket No: 18569
Unit Weight (pcf): NA
Measured
Slump
(inches)
4.0
Sample Location:
482' south from southeast corner of building 1 - sample taken from truck
REPORT OF TESTS
Cylinder
Marked Date Age Diameter Area
Set No. Tested (days) (in) (in')
10 1 01/22/2008 7 6.00 28.27
10 2 02/12/2008 28 6.00 28.27
10 3 02/12/2008 28 6.00 28.27
10 4 03/11/2008 56
p:.qpj ~PJ rm f:l r-lll r]
Type 1
Type 2 Type 3 Type 4
Type 5
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
84,790
Compressive
Strength
(psi)
3,000
Fracture
Type
Type6
125,940
121,670
Average
4,450
4,300
4,380
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.
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