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Duke Lesley-LR070822 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" 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: 06: 1 Oam Concrete: 800F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 1.75 Mix Design 1.0.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 06:15am Temperature - Air: 780F Truck No: NA Air Content: 4.4% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 . Sample Location: Station 4+60, Point 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') (Ibs) (psi) Type 1 1 08/17/2007 3 6.00 28.27 73,980 2,620 Unbonded Cap 2 08/21/2007 7 6.00 28.27 84,000 2,970 Unbonded Cap 3 09/11/2007 28 4 09/11/2007 28 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" maximum Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) AS rM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 Batch time: 07: 1 Oam Concrete: 850F Ticket No: NA Unit Weight (pct): NA Measured Slump (inches) 1.5 Mix Design I.D.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 07:15am Temperature - Air: 830F Truck No: NA Air Content: 4.7% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 3+00, Point 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') (Ibs) (psi) Type 2 1 08/17/2007 3 6.00 28.27 78,180 2,770 Unbonded Cap 2 2 08/21/2007 7 6.00 28.27 87,760 3,100 Unbonded Cap 2 3 09/11/2007 28 2 4 09/11/2007 28 UMITA TIONS: 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" maximim Air (%): 3% - 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 Batch time: 09:25am Concrete: 800F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 1.0 Mix Design I.D.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 09:30am Temperature - Air: 850F Truck No: NA Air Content: 3.9% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 2+00, Point 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) (in2) (Ibs) (psi) Type 3 1 08/17/2007 3 6.00 28.27 76,290 2,700 Unbonded Cap 3 2 08/21/2007 7 6.00 28.27 83,170 2,940 Unbonded Cap 3 3 09/11/2007 28 3 4 09/11/2007 28 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 appnoval of Rone Engineering Services, Ltd. (KW/KW) Page 3 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" 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: 11 :45am Concrete: 980F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 1.25 Mix Design 1.0.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 11 :50am Temperature - Air: 940F Truck No: NA Air Content: 4.6% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 2+50, Dividend Street 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 08/17/2007 3 6.00 28.27 71,570 2,530 Unbonded Cap 4 2 08/21/2007 7 6.00 28.27 78,740 2,780 Unbonded Cap 4 3 09/11/2007 28 4 4 09/11/2007 28 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" maximum Air (%): 3% - 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 Batch time: 12:15pm Concrete: 990F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 0.75 Mix Design I.D.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 12:20pm Temperature - Air: 1000F Truck No: NA Air Content: 3.2% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 4+00, Dividend Street 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 5 1 08/17/2007 3 6.00 28.27 69,640 2,460 Unbonded Cap 5 2 08/21/2007 7 6.00 28.27 75,470 2,670 Unbonded Cap 5 3 09/11/2007 28 5 4 09/11/2007 28 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" maximum Air (%): 3% - 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 Batch time: 01: 1 Opm Concrete: 1010F Ticket No: NA Unit Weight (pct): NA Measured Slump (inches) 1.0 Mix Design 1.0.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 01:15pm Temperature - Air: 1000F Truck No: NA Air Content: 3.8% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 5+00, Dividend Street 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 6 1 08/17/2007 3 6.00 28.27 75,810 2,680 Unbonded Cap 6 2 08/21/2007 7 6.00 28.27 87,080 3,080 Unbonded Cap 6 3 09/11/2007 28 6 4 09/11/2007 28 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" 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: 03:00pm Concrete: 1000F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 0.5 Mix Design 1.0.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 03:05pm Temperature - Air: 1030F Truck No: NA Air Content: 3.2% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 7+90, Dividend Street 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 08/17/2007 3 6.00 28.27 72,190 2,550 Unbonded Cap 7 2 08/21/2007 7 6.00 28.27 79,090 2,800 Unbonded Cap 7 3 09/11/2007 28 7 4 09/11/2007 28 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. (KWfKW) 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, 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" 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: 03:50pm Concrete: 1000F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 1.75 Mix Design I.D.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 04:00pm Temperature - Air: 1020F Truck No: NA Air Content: 4.3% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 11 +00 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 08/17/2007 3 6.00 28.27 76,290 2,700 Unbonded Cap 8 2 08/21/2007 7 6.00 28.27 84,580 2,990 Un bonded Cap 8 3 09/11/2007 28 8 4 09/11/2007 28 LIMIT A TraNS: 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 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.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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.): 4" 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: 04:40pm Concrete: 101 of Ticket No: NA Unit Weight (pct): NA Measured Slump (inches) 1.0 Mix Design I.D.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 04:45pm Temperature - Air: 1000F Truck No: NA Air Content: 4.5% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 14+00, Dividend Street 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 9 1 08/17/2007 3 6.00 28.27 72,310 2,560 Unbonded Cap 9 2 08/21/2007 7 6.00 28.27 83,540 2,950 Unbonded Cap 9 3 09/11/2007 28 9 4 09/11/2007 28 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 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: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 295598 Project No.: 0612510 Date of Service: 08/14/2007 Report Date: 08/22/2007 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: Lacy Plant: On site Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 4" 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: 05:25am Concrete: 980F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 1.25 Mix Design I.D.: 5194 Placement Date: 08/14/2007 Weather Conditions: Clear Time Sampled: 05:30am Temperature - Air: 990F Truck No: NA Air Content: 4.3% Overall Placement Location: Paving for Point West, Station 5+07-0+70, Dividend Street, westbound Station 2+00-18+00 Sample Location: Station 16+25, Dividend Street 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 10 1 08/17/2007 3 6.00 28.27 72,740 2,570 Unbonded Cap 10 2 08/21/2007 7 6.00 28.27 85,190 3,010 Unbonded Cap 10 3 09/11/2007 28 10 4 09/11/2007 28 Report Distribution: Orig: Duke Construction, LP (Dallas, TX) AUn: Mr. Alex Bennett PE (1-ec copy) 1-cc City of Coppell AUn: Mr. Larry Davis 1-ec Lacy Construction Attn: Mr. Kevin Briles 1-cc City of Coppell Attn: Mr. Lee Stone Rone Engineering See Report 295538 toc'eoho;"" ,;mep ~ ~ K. Scott Watson, AET Project Manager Technician: Ryan Rawlinson 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. (KWfKW) Page 10 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" maximum Air (%): 3% - 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 Batch time: 06:40am Concrete: 800F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 2.25 Mix Design 1.0.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 06:45am Temperature - Air: 740F Truck No: NA Air Content: 4.5% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 - Sample Location: Station 46+50, Dividend 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 08/20/2007 7 6.00 28.27 90,700 3,210 Unbonded Cap 2 09/10/2007 28 3 09/10/2007 28 4 10/08/2007 56 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/LB) Page 1 of 8 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" 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: 07:10am Concrete: 790F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 2.0 Mix Design I.D.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 07:15am Temperature - Air: 750F Truck No: NA Air Content: 4.3% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 Sample Location: Station 45+50, Dividend REPORT OF TESTS Cylinder Marked Date Set No. Tested 2 1 08/20/2007 2 2 09/10/2007 2 3 09/10/2007 2 4 10/08/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 97,880 Compressive Strength (psi) 3,460 Fracture Type Unbonded Cap Area (in2) 28.27 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. (CHILB) Page 2 of 8 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" 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: 07:50am Concrete: 810F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 3.5 Mix Design I.D.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 07:55am Temperature - Air: 770F Truck No: NA Air Content: 4.9% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 Sample Location: Station 42+50, Dividend REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 70,980 Cylinder Marked Date Set No. Tested 3 1 08/20/2007 3 2 09/10/2007 3 3 09/10/2007 3 4 10/08/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Compressive Strength (psi) 2,510 Fracture Type Unbonded Cap Area (in2) 28.27 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/LB) Page 3 of 8 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.: 295394 Project No.: 0612510 Date ot Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" 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: 08:25am Concrete: 850F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 1.75 Mix Design I.D.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 08:30am Temperature - Air: 790F Truck No: NA Air Content: 4.2% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 Sample Location: Station 40+25, Dividend REPORT OF TESTS Cylinder Marked Date Set No. Tested 4 1 08/20/2007 4 2 09/10/2007 4 j 09/10/2007 4 4 10/08/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 80,870 Compressive Strength (psi) 2,860 Fracture Type Unbonded Cap Area (in') 28.27 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/LB) Page 4 of 8 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" 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: 10:55am Concrete: 980F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 1.75 Mix Design I.D.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 11 :OOam Temperature - Air: 920F Truck No: NA Air Content: 4.6% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 Sample Location: Station 13+00, point 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) (in2) (Ibs) (psi) Type 5 1 08/20/2007 7 6.00 28.27 78,480 2,780 Unbonded Cap 5 2 09/10/2007 28 5 3 09/10/2007 28 5 4 10/08/2007 56 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. (CHfLB) Page 5 of 8 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" maximum Air (%): 3% - 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 Batch time: 11 :45am Concrete: 1000F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 1.25 Mix Design 1.0.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 11 :50am Temperature - Air: 940F Truck No: NA Air Content: 4.5% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 Sample Location: Station 11+75, point 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) (in2) (Ibs) (psi) Type 6 1 08/20/2007 7 6.00 28.27 70,670 2,500 Unbonded Cap 6 2 09/10/2007 28 6 3 09/10/2007 28 6 4 10/08/2007 56 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/LB) Page 6 of 8 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" 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: 01 :15pm Concrete: 1020F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 1.0 Mix Design 1.0.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 01 :20pm Temperature - Air: 1030F Truck No: NA Air Content: 4.0% Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 .- Sample Location: Station 9+50, point west REPORT OF TESTS Cylinder Marked Date Set No. Tested 7 1 08/20/2007 7 2 09/10/2007 7 3 09/10/2007 7 4 10/08/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 92,340 Compressive Strength (psi) 3,270 Fracture Type Unbonded Cap Area (in2) 28.27 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/LB) Page 7 of 8 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.: 295394 Project No.: 0612510 Date of Service: 08/13/2007 Report Date: 08/22/2007 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.): 4" 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: 02: 15pm Concrete: 1050F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 1.75 Mix Design I.D.: 5194 Placement Date: 08/13/2007 Weather Conditions: Clear Time Sampled: 02:20pm Temperature - Air: 1030F Truck No: NA Air Content: 4.1 % Overall Placement Location: Paving for Dividend Street, eastbound, Station 47+50 - 39+25, point west Station 13+20 Sample Location: Station 7+00, point west REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 72,860 Cylinder Marked Date Set No. Tested 8 1 08/20/2007 8 2 09/10/2007 8 3 09/10/2007 8 4 10/08/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Compressive Strength (psi) 2,580 Fracture Type Unbonded Cap Area (in2) 28.27 Technician: Ryan Rawlinson Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Alex Bennett PE (1-ec copy) 1-cc City of Coppell Alln: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Started: 05:15am Finished: 04:45pm Rone Engineering P-~~ K. Scott Watson, AET Project Manager LIMIT A 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 without the written approval of Rone Engineering Services, Ltd. (CH/LB) Page 8 of 8