Loading...
Duke Lesley-LR070820 (2) : / .:~'.' , - -.', 8908 Ambassador Row Dallas, Texas 75247 Telephone (214) 630-9745 Facsimile (214) 630-9819 Rone Engineering Fax ---.---.------ NIr. Larry Davis To: Company: City of Coppel1 ----..._... -- ------------------ From: Krissy Garcia ; C------------- i Pages: (including cover)10 i - _ __________.__ i 972-304-3570 Fax; i Date: 8-20-2007 Re: Lesley In.frctStructure Project So.0612.51 0 ; cc: , ------------.-...... o Urgent D For Your File o Original to be mailed o Signature Requested D Please Comrraent o For Review o Please .Reply [J Please Recycle . Comments: _f~on..ming dlG information ~. been~urie."d to vou and sho~eac~vo':..office by 1 ;(lOpm today. I apolog~7..e for ~my inconvenience, have a great day. --T ~ -.---------..- ---_._-_..__._--_..~ -.-...- --..--.. ------------ ----..-... ._....__.._.._--------~---_.----_... ---~--------------.._.- .--------- -.--..-----... ---.- -~._--_.---._----------------_._.- _. - '-,.-.... -.---..--- ...,...._-~._-~--.~_..-------._-- -....- -----.- - --------------..--------. GEOTECHNICAL I CONSTRUCTION TESTING ! ENVIRONMENTAL DALLAS! FORT WORTH I HOUSTON SINCE 1972 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.: 295294 Project No.: 0612510 Date of Service: 08/11/2007 Report Date: 08/20/2007 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) AS1M C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 Batch time: 06:55am Concrete: 850F Ticket No: NA Unit Weight (pcf): NA Measured Slump (inches) 3.0 Mix Design I.D.: 5194 Placement Date: 08/11/2007 Weather Conditions: Clear Time Sampled: 07:00am Temperature - Air: 830F Truck No: NA Air Content: 3.9% Overall Placement Location: Paving, median and turn lanes, Beltline Rd. into project, 300' north, 15' west from south end (cont) Sample Location: 280' north, 13' west from south end turn lane REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 60,130 Cylinder Marked Date Age Set No. Tested (days) 1 1 08/18/2007 7 1 2 09/08/2007 28 1 3 09/08/2007 28 1 4 08/15/2007 4 Diameter (in) 6.00 Area (in') 28.27 Compressive Strength (psi) 2,130 Fracture Type Unbonded Cap 6.00 28.27 52,870 1,870 Unbonded Cap Remarks: Cant turn lane paving for Dividend St. Station 49+00 to 47+50 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. (LB/LB) Page 1 of 2 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 Cbrporate Phone: (214) 630-9745 Report of Concrete Compressi~e Strength Test i Report No.: 2195294 Project No.: 0612510 Date of Service: Q8/11/2007 Report Date: 08/20/2007 Project: Lesley Infrastructure Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive streng~h 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 Req u irements 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: i 1 0:40am Concrete: :980F Ticket No: . NA Unit Weigh~ (pcf): NA Measured Slump (inches) 3.75 Mix Design I.D.: 5194 Placement Date: 08/11/2007 Weather Conditions: Clear Time Sampled: 1 0:45am Temperature - Air: 910F Truck No: NA Air Content: 4.4% Overall Placement Location: Paving, median and turn lanes, Beltline Rd. into project, 300' north, 15' west from south end (cont) Sample Location: 120' north, 7' west from south end turn lane REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 75,670 Cylinder Marked Date Age Set No. Tested (days) 2 1 08/18/2007 7 2 2 09/08/2007 28 2 3 09/08/2007 28 2 4 08/15/2007 4 Diameter (in) 6.00 Area (in2) 28.27 Compressi'-1e Strength (psi) 2,680 Fracture Type Unbonded Cap 6.00 28.27 65,350 2,310 Unbonded Cap Remarks: Cont: turn lane paving for Dividend St. Station 49+00 to 47+50 0145~~ K. Scott Watson, AE~ Project Manager Started: 05: 15am Finished: Technician: Ryan Rawlinson Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Alex Bennett PE (1-ec copy) 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis ~ 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. q>ur 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 E~gineering Services, Ltd. (LB/LB) Page 2 of 2 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 Rone Engineering . Report of Concrete Compressive Strength Test Report No.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Client: PROJECT DATA Measured Slump (inches) 1.0 Mix Design I.D.: 5194 Placement Date: 08/10/2007 Weather Conditions: Clear Time Sampled: 06:15am Temperature - Air: 810F Truck No: NA Air Content: 4.2% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane 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: 06: 1 Oam Concrete: 850F Ticket No: NA Unit Weight (pet): NA Sample Location: Station 19+54 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Marked Date ~ Diameter Area Load Fracture Set No. Tested (in) (in2) (Ibs) Type 1 1 08/17/2007 6.00 28.27 101,500 Unbonded Cap 1 2 09/07/2007 28 1 3 09/07/2007 ?Y 1 4 08/14/2007 6.00 28.27 94,980 Unbonded Cap f J l.v- 1/1',,111 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. (LB/LB) Page 1 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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: 08/10/2007 Weather Conditions: Clear Time Sampled: 07:15am Temperature - Air: 850F Truck No: NA Air Content: 3.9% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Measured Slump (inches) 0.75 Batch time: 07: 1 Dam Concrete: 890F Ticket No: NA Unit Weight (pet): NA Sample Location: Station 20+85 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date ~ Diameter Area Load Stren Fracture Set No. Tested (in) (in2) (Ibs) i) Type 2 1 08/17/2007 6.00 28.27 97,090 ,430 Unbonded Cap 2 2 09/07/2007 28 2 3 09/07/2007 28 C 2,900 2 4 08/14/2007 eJ 6.00 28.27 82,040 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, LId. (LB/LB) Page 2 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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 1.0.: 5194 Placement Date: 08/10/2007 Weather Conditions: Clear Time Sampled: 07:45am Temperature - Air: 860F Truck No: NA Air Content: 4.6% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Measured Slump (inches) 1.25 Batch time: 07:40am Concrete: 890F Ticket No: NA Unit Weight (pet): NA Sample Location: Station 22+50 REPORT OF TESTS Cylinder Marked Date Age Set No. Tested (days) 3 1 08/17/2007 7 3 2 09/07/2007 28 3 3 09/07/2007 28 3 4 08/14/2007 4 Diameter (in) 6.00 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 93,160 Compressive Strength (psi) 3,290 Fracture Type Unbonded Cap Area (in') 28.27 6.00 28.27 90,550 3,200 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. (LBILB) Page 3 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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 Req u i rements 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: 08:40am Concrete: 910F Ticket No: NA Unit Weight (pct): NA Measured Slump (inches) 1.0 Mix Design 1.0.: 5194 Placement Date: 08/10/2007 Weather Conditions: Clear Time Sampled: 08:45am Temperature - Air: 880F Truck No: NA Air Content: 4.3% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Area (in') 28.27 6.00 28.27 82,970 Sample Location: Station 25+50 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 89,700 Cylinder Marked Date Age Set No. Tested (days) 4 1 08/17/2007 7 4 2 09/07/2007 28 4 3 09/07/2007 28 4 4 08/14/2007 4 Diameter (in) 6.00 Compressive Strength (psi) 3,170 Fracture Type Unbonded Cap 2,930 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. (LB/LB) Page 4 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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: 08/10/2007 Weather Conditions: Clear Time Sampled: 09:35am Temperature - Air: 890F Truck No: NA Air Content: 4.0% Overall Placement Location: Paving for Dividend Street. Stations 19+00 to 39+50. eastbound lane Measured Slump (inches) 1.25 Batch time: 09:30am Concrete: 920F Ticket No: NA Unit Weight (pcf): NA Sample Location: Station 27+75 REPORT OF TESTS Cylinder Marked Date Age Set No. Tested (days) 5 1 08/17/2007 7 5 2 09/07/2007 28 5 3 09/07/2007 28 5 4 08/14/2007 4 Diameter (in) 6.00 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 91,790 Compressive Strength (psi) 3,250 Fracture Type Unbonded Cap Area (in2) 28.27 6.00 28.27 90,450 3,200 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. (LB/LB) Page 5 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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: 08/10/2007 Weather Conditions: Clear Time Sampled: 10: 15am Temperature - Air: 900F Truck No: NA Air Content: 4.4% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Measured Slump (inches) 1.25 Batch time: 10: 1 Oam Concrete: 930F Ticket No: NA Unit Weight (pct): NA Sample Location: Station 30+00 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 94,620 Cylinder Marked Date Age Set No. Tested (days) 6 1 08/17/2007 7 6 2 09/07/2007 28 6 3 09/07/2007 28 6 4 08/14/2007 4 Diameter (in) 6.00 Area (in') 28.27 Compressive Strength (psi) 3,350 Fracture Type Unbonded Cap 6.00 28.27 80,240 2,840 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. (LB/LB) Page 6 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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: 08/10/2007 Weather Conditions: Clear Time Sampled: 11 :25am Temperature - Air: 940F Truck No: NA Air Content: 4.4% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Measured Slump (inches) 1.25 Batch time: 11 :20am Concrete: 960F Ticket No: NA Unit Weight (pcf): NA Sample Location: Station 32+25 REPORT OF TESTS Cylinder Marked Date Age Set No. Tested (days) 7 1 08/17/2007 7 7 2 09/07/2007 28 7 3 09/07/2007 28 7 4 08/14/2007 4 Diameter (in) 6.00 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 95,950 Compressive Strength (psi) 3,390 Fracture Type Unbonded Cap Area (in2) 28.27 6.00 28.27 88,860 3,140 Unbonded Cap LIMIT A TJONS: 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 (LB/LB) Page 7 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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: 08/10/2007 Weather Conditions: Clear Time Sampled: 12:15pm Temperature - Air: 960F Truck No: NA Air Content: 4.7% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Measured Slump (inches) 1.5 Batch time: 12: 1 Opm Concrete: 990F Ticket No: NA Unit Weight (pcf): NA Sample Location: Station 35+00 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 98,150 Cylinder Marked Date Age Set No. Tested (days) 8 1 08/17/2007 7 8 2 09/07/2007 28 8 3 09/07/2007 28 8 4 08/14/2007 4 Diameter (in) 6.00 Area (in2) 28.27 Compressive Strength (psi) 3,470 Fracture Type Unbonded Cap 6.00 28.27 89,390 3,160 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. (LB/LB) Page 8 of 9 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.: 295199 Project No.: 0612510 Date of Service: 08/10/2007 Report Date: 08/20/2007 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-1 38 ASTM C-39 Batch time: 12:55pm Concrete: 990F Ticket No: NA Unit Weight (pet): NA Measured Slump (inches) 1.5 Mix Design I.D.: 5194 Placement Date: 08/10/2007 Weather Conditions: Clear Time Sampled: 01 :OOpm Temperature - Air: 970F Truck No: NA Air Content: 4.4% Overall Placement Location: Paving for Dividend Street, Stations 19+00 to 39+50, eastbound lane Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 78,540 Area (in2) 28.27 6.00 28.27 78,500 Sample Location: Station 37+50 REPORT OF TESTS Cylinder Marked Date Age Set No. Tested (days) 9 1 08/17/2007 7 9 2 09/07/2007 28 9 3 09/07/2007 28 9 4 08/14/2007 4 Diameter (in) 6.00 Compressive Strength (psi) 2,780 Fracture Type Unbonded Cap 2,780 Unbonded Cap Technician: Ryan Rawlinson Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Alex Bennett PE (1-ec copy) 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Started: 05:15am Finished: 03:15pm Rone Engineering p~~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (lB/lB) Page 9 of 9