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Duke Lesley-LR070823 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 08:00am Temperature - Air: 840F Truck No: NA Air Content: 4.7% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.5 Batch time: 07:55am Concrete: 810F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend St., Station 23+50 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 1 1 08/18/2007 3 6.00 28.27 74,550 2,640 Unbonded Cap 1 2 08/22/2007 (/ 6.00 28.27 79,490 & Unbonded Cap 1 3 09/12/2007 28 1 4 09/12/2007 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design 1.0.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 08:50am Temperature - Air: 890F Truck No: NA Air Content: 4.3% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.0 Batch time: 08:45am Concrete: 900F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend Street, station 25+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) (in2) (Ibs) (psi) Type 2 1 08/18/2007 3 6.00 28.27 73,040 2,580 Unbonded Cap 2 2 08/22/2007 7 6.00 28.27 88,920 3,140 Unbonded Cap 2 3 09/12/2007 28 2 4 09/12/2007 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. (KWIKW) 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 09:15am Temperature - Air: 910F Truck No: NA Air Content: 5.1 % Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.5 Batch time: 09: 1 Oam Concrete: 930F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend St., Station 26+25 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 08/18/2007 3 6.00 28.27 70,250 ~unbonded Cap 3 2 08/22/2007 7 6.00 28.27 77,110 ,730 Unbonded Cap 3 3 09/12/2007 28 3 4 09/12/2007 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 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 10:25am Temperature - Air: 940F Truck No: NA Air Content: 5.2% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.25 Batch time: 10:20am Concrete: 950F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend St., Station 29+25 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 08/18/2007 3 6.00 28.27 75,490 2,670 Unbonded Cap 4 2 08/22/2007 7 6.00 28.27 75,820 2,680 Unbonded Cap 4 3 09/12/2007 28 4 4 09/12/2007 28 LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for vanation 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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-1 064 ASTM C-138 ASTM C-39 Batch time: 11: 1 Oam Concrete: 980F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 2.0 Mix Design 1.0.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 11 :15am Temperature - Air: 960F Truck No: NA Air Content: 5.4% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Area (in2) 28.27 6.00 28.27 82,990 Sample Location: Dividend St., Station 32+00 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 71,180 Cylinder Marked Date Set No. Tested 5 1 08/18/2007 5 2 08/22/2007 5 3 09/12/2007 5 4 09/12/2007 Age,",/ (d~aYS)/ ;Y " , 3' ~ 28 Diameter (in) 6.00 Fracture Type Unbonded Cap o (7 Unbonded Cap 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 12:15pm Temperature - Air: 970F Truck No: NA Air Content: 4.8% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.75 Batch time: 12:10pm Concrete: 930F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend St., Station 35+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) (in2) (Ibs) (psi) Type 6 1 08/18/2007 3 6.00 28.27 76,400 2,700 Unbonded Cap 6 2 08/22/2007 7 6.00 28.27 87,870 3,110 Unbonded Cap 6 3 09/12/2007 28 6 4 09/12/2007 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 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 01 :30pm Temperature - Air: 1000F Truck No: NA Air Content: 4.8% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.25 Batch time: 01 :25pm Concrete: 970F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend St., Station 37+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 7 1 08/18/2007 3 6.00 28.27 71,030 2,510 Unbonded Cap 7 2 08/22/2007 7 6.00 28.27 79,690 2,820 Unbonded Cap 7 3 09/12/2007 28 7 4 09/12/2007 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 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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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-1 064 ASTM C-138 ASTM C-39 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 03:00pm Temperature - Air: 101 of Truck No: NA Air Content: 5.3% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.5 Batch time: 02:55pm Concrete: 920F Ticket No: NA Unit Weight (pet): NA Sampte Location: Dividend SI., Station 40+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) (in2) (Ibs) (psi) Type 8 1 08/18/2007 3 6.00 28.27 71,870 2,540 Unbonded Cap 8 2 08/22/2007 7 6.00 28.27 83,310 2,950 Unbonded Cap 8 3 09/12/2007 28 8 4 09/12/2007 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. (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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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 Mix Design 1.0.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 03:50pm Temperature - Air: 990F Truck No: NA Air Content: 5.5% Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.5 Batch time: 03:45pm Concrete: 920F Ticket No: NA Unit Weight (pef): NA Sample Location: Dividend St., Station 43+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 9 1 08/18/2007 3 6.00 28.27 56,350 1,990 Unbonded Cap 9 2 08/22/2007 7 6.00 28.27 69,690 2,460 Unbonded Cap 9 3 09/12/2007 28 9 4 09/12/2007 28 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. (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.: 295677 Project No.: 0612510 Date of Service: 08/15/2007 Report Date: 08/23/2007 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-1 064 ASTM C-138 ASTM C-39 Mix Design I.D.: 5194 Placement Date: 08/15/2007 Weather Conditions: Clear Time Sampled: 04:50pm Temperature - Air: 980F Truck No: NA Air Content: 5.1 % Overall Placement Location: Paving, Dividend St., westbound lane, Station 18+00 to 49+00 Measured Slump (inches) 1.75 Batch time: 04:45pm Concrete: 900F Ticket No: NA Unit Weight (pcf): NA Sample Location: Dividend St., Station 47+50 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 10 1 08/18/2007 3 6.00 28.27 73,520 2,600 Unbonded Cap 10 2 08/22/2007 7 6.00 28.27 76,740 2,710 Unbonded Cap 10 3 09/12/2007 28 10 4 09/12/2007 28 Technician: Ryan Rawlinson Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Alex Bennett PE (1-ec copy) 1-ec Lacy Construction Attn: Mr. Kevin Briles 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Started: 07:00am Finished: 06:30pm Rone Engineering ~~H~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (KW/KW) Page 10 of 10