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Duke Lesley 2A-LR071016 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630.9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Partly cloudy Time Sampled: 03:45am Batch time: 03:34am Temperature - Air: 740F Concrete: 810F Truck No: 135 Ticket No: 14576 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Measured Slump (inches) 4.5 Sample Location: Grid lines C.2/21.8 REPORT OF TESTS Cylinder Marked Date Set No. Tested 1 1 10/16/2007 1 2 11/06/2007 1 3 11/06/2007 1 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 128,480 Compressive Strength (psi) 4,540 Fracture Type Shear 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. (TM/KW) Page 1 of 9 Rone Eni== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Partly cloudy Time Sampled: 04:45am Batch time: 04:31am Temperature - Air: 750F Concrete: 810F Truck No: 137 Ticket No: 14586 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Measured Slump (inches) 5.0 Sample Location: Grid lines C.2/23 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 118,880 Cylinder Marked Date Set No. Tested 2 1 10/16/2007 2 2 11/06/2007 2 3 11/06/2007 2 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Compressive Strength (psi) 4,200 Fracture Type Cone/Split 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. (TM/KW) Page 2 of 9 Rone En2== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Partly cloudy Time Sampled: 05:40am Batch time: 05:23am Temperature - Air: 750F Concrete: 810F Truck No: 125 Ticket No: 14596 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Measured Slump (inches) 4.0 Sample Location: Grid lines D/23.8 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 122,220 Cylinder Marked Date Set No. Tested 3 1 10/16/2007 3 2 11/06/2007 3 3 11/06/2007 3 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Compressive Strength (psi) 4,320 Fracture Type Cone/Split 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. (TM/KW) Page 3 of 9 Rone En~~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Partly cloudy Time Sampled: 06:30am Batch time: 06:20am Temperature - Air: 740F Concrete: 800F Truck No: 135 Ticket No: 14606 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Sample Location: Grid lines D.2/25.1 REPORT OF TESTS Measured Slump (inches) 4.25 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 115,610 Cylinder Marked Date Set No. Tested 4 1 10/16/2007 4 2 11/06/2007 4 3 11/06/2007 4 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Compressive Strength (psi) 4,090 Area (in') 28.27 Fracture Type Shear LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance. etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TMlKW) Page 4 of 9 Rone Eni~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Partly cloudy Time Sampled: 08:05am Batch time: 07:51am Temperature - Air: 760F Concrete: 810F Truck No: 144 Ticket No: 14616 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Measured Slump (inches) 4.0 Sample Location: Grid lines 0.3/26.1 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 10/16/2007 7 6.00 28.27 119,300 4,220 Shear 5 2 11/06/2007 28 5 3 11/06/2007 28 5 4 12/04/2007 56 LIMITATION S: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TMlKW) Page 5 of 9 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Partly cloudy Time Sampled: 09:10am Batch time: 08:57am Temperature - Air: 760F Concrete: 810F Truck No: 102 Ticket No: 14628 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Measured Slump (inches) 4.0 Sample Location: Grid lines 0.8/27 REPORT OF TESTS Cylinder Marked Date Set No. Tested 6 1 10/16/2007 6 2 11/06/2007 6 3 11/06/2007 6 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 113,760 Compressive Strength (psi) 4,020 Fracture Type Shear 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. (TM/KW) Page 6 of 9 Rone Eni== 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.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Sunny Time Sampled: 10:15am Temperature - Air: 760F Truck No: 134 Air Content: NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Batch time: 09:57am Concrete: 810F Ticket No: 14639 Unit Weight (pcf): NA Measured Slump (inches) 4.25 Sample Location: Grid lines C.5/28 REPORT OF TESTS Cylinder Marked Date Set No. Tested 7 1 10/16/2007 7 2 11/06/2007 7 3 11/06/2007 7 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 120,030 Compressive Strength (psi) 4,250 Fracture Type Cone/Split 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. (TMlKW) Page 7 of 9 Rone Eni~ 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.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Sunny Time Sampled: 11:15am Temperature - Air: 770F Truck No: 142 Air Content: NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Sample Location: Grid lines 0.1/29 REPORT OF TESTS Batch time: 11 :04am Concrete: 820F Ticket No: 14651 Unit Weight (pet): NA Measured Slump (inches) 3.75 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 108,250 Cylinder Marked Date Set No. Tested 8 1 10/16/2007 8 2 11/06/2007 8 3 11/06/2007 8 4 12/04/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 3,830 Fracture Type Shear LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TMlKW) Page 8 of 9 Rone En2== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301473 Project No.: 0712932 Date of Service: 10/09/2007 Report Date: 10/16/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,500 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9349 PW Placement Date: 10/09/2007 Weather Conditions: Sunny Time Sampled: 12:30pm Temperature - Air: 770F Truck No: 142 Air Content: NA Overall Placement Location: Slab on building, grid lines C-E/21-30 Batch time: Concrete: 820F Ticket No: 14661 Unit Weight (pet): NA Measured Slump (inches) 4.5 Sample Location: Grid lines C/30 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 10/16/2007 7 6.00 28.27 101,180 3,580 Shear 9 2 11/06/2007 28 9 3 11/06/2007 28 9 4 12/04/2007 56 Started: 02:30am Finished: 02:00pm Technician: Brad Hickman Report Distribution: Orig: Duke Construction, LP (Dallas, TX) AlIn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Alln: Mr. Ryan Skelly 1-cc City of Coppell Alln: Mr. Lee Stone 1-cc City of Coppell Alln: Mr. Larry Davis 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. (TM/KW) Page 9 of 9