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Duke Lesley 2A-LR070919 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 03:15am Temperature - Air: 840F Truck No: 107 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 02:46am Concrete: 910F Ticket No: 13315 Unit Weight (pet): NA Measured Slump (inches) 9.0 Sample Location: Grid K.5/1.3 REPORT OF TESTS Cylinder Marked Date Set No. Tested 1 1 09/15/2007 1 2 10/06/2007 1 3 10/06/2007 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Remarks: Water added at site: 10 gallons Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 99,230 Compressive Strength (psi) 3,510 Fracture Type Cone/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. (KW/I'0N) Page 1 of 11 Rone Engineering . 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 Client: Report of Concrete Compressive Strength Test Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report No.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 04:00am Temperature - Air: 810F Truck No: 128 Air Content: NA Overall Placement Location: Building Slab, grid lines J-L and 1-11 Batch time: 03:44am Concrete: 910F Ticket No: 13325 Unit Weight (pcf): NA Measured Slump (inches) 6.0 Sample Location: Grid K/2 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Stren'gth Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 2 1 09/15/2007 7 6.00 28.27 110,110 3,890 Shear 2 2 10/06/2007 28 2 3 10/06/2007 28 2 4 11/03/2007 56 Remarks: Water added at site: 5 gallons 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 2 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 05:00am Temperature - Air: 800F Truck No: 104 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 04:40am Concrete: 890F Ticket No: 13336 Unit Weight (pet): NA Measured Slump (inches) 8.0 Sample Location: Grid 1<13 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 09/15/2007 7 6.00 28.27 102,970 3,640 Shear 3 2 10/06/2007 28 3 3 10/06/2007 28 3 4 11/03/2007 56 Remarks: Water added at site: 10 gallons 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 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 06:00am Temperature - Air: 800F Truck No: 107 Air Content: NA Overall Placement location: Building Slab, grid lines J-L and 1-11 Sample location: Grid 4.2/K REPORT OF TESTS Batch time: 05:48am Concrete: 940F Ticket No: 13349 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 114,320 Cylinder Marked Date Set No. Tested 4 1 09/15/2007 4 2 10/06/2007 4 3 10/06/2007 4 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 4,040 Fracture Type Cone/Split 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. (KW/KW) Page 4 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 07:45am Temperature - Air: 810F Truck No: 117 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 06:45am Concrete: 940F Ticket No: 13361 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Sample Location: Grid K.5/5.2 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 09/15/2007 7 6.00 28.27 101,820 3,600 Cone/Split 5 2 10/06/2007 28 5 3 10/06/2007 28 5 4 11/03/2007 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. (KW/KW) Page 5 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 08:45am Temperature - Air: 810F Truck No: 104 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid 6.3/K.7 REPORT OF TESTS Batch time: 07:59am Concrete: 940F Ticket No: 13371 Unit Weight (pet): NA Measured Slump (inches) 6.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 98,990 Cylinder Marked Date Set No. Tested 6 1 09/15/2007 6 2 10/06/2007 6 3 10/06/2007 6 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 3,500 Fracture Type Cone/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. (KW/KW) Page 6 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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 Req u irements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 09:38am Temperature - Air: 850F Truck No: 128 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 09:07am Concrete: 940F Ticket No: 13382 Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: Grid 7/K.5 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 09/15/2007 7 6.00 28.27 92,150 3,260 Cone/Split 7 2 10/06/2007 28 7 3 10/06/2007 28 7 4 11/03/2007 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. (KW/KW) Page 7 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 10:35am Temperature - Air: 890F Truck No: 132 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 10:16am Concrete: 940F Ticket No: 13394 Unit Weight (pet): NA Measured Slump (inches) 4.0 Sample Location: Grid K.5/8.3 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 09/15/2007 7 6.00 28.27 107,900 3,820 Cone/Split 8 2 10/06/2007 28 8 3 10106/2007 28 8 4 11/03/2007 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. (KW/KW) Page 8 of 11 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.: 298179 Project No.: 0712932 Date ot Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" Air ('Yo): 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 11 :50am Temperature - Air: 950F Truck No: 101 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid K.5/9.5 REPORT OF TESTS Batch time: 11: 16am Concrete: 940F Ticket No: 13406 Unit Weight (pet): NA Measured Slump (inches) 6.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 98,930 Cylinder Marked Date Set No. Tested 9 1 09/15/2007 9 2 1 0/06/2007 9 3 10/06/2007 9 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 3,500 Fracture Type Cone/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. (KW/KW) Page 9 of 11 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, 8te 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 12:50pm Temperature - Air: 960F Truck No: 104 Air Content: NA Overall Placement Location: Building Slab, grid lines J-L and 1-11 Batch time: 12:28pm Concrete: 980F Ticket No: 13417 Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: Grid 10.3fL.5 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Set No. Tested (days) (in) (in') (Ibs) (psi) 10 1 09/15/2007 7 6.00 28.27 94,830 3,350 10 2 10/06/2007 28 10 3 10/06/2007 28 10 4 11/03/2007 56 Fracture Type Cone/Split 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 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 02:00pm Temperature - Air: 1000F Truck No: 102 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 01:39pm Concrete: 980F Ticket No: 13429 Unit Weight (pet): NA Measured Slump (inches) 3.0 Sample Location: Grid 11/L REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Set No. Tested (days) (in) (in') (Ibs) (psi) 11 1 09/15/2007 7 6.00 28.27 118,130 4,180 11 2 10/06/2007 28 11 3 10/06/2007 28 11 4 11/03/2007 56 Fracture Type Cone/Split Started: 02:00am Finished: 03:30pm Technician: Edward Gutirrez Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Attn: Mr. Ryan Skelly 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: 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. (KW/KW) Page11of11 Rone Engineering .. 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 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of In-Place Density Testing Report No.: 298902 Project No.: 0712932 Date of Service: 09/17/2007 Report Date: 09/19/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing PROJECT DATA Contractor: Duke Construction, LP Test Method: ASTM 0-6938 Gauge: Troxler 3430 Gauge Serial No: 35518 Test Mode: DT Standard Counts Moisture Density Current: 739 Current: 2519 Previous: 741 Previous: 2526 MOISTURE DENSITY RELATIONS MID No. 272998 Description Brown I Silty Clay wI Organics Moisture % Maximum Density (pet) 96.5 Project Requirements Moisture Density Minimum +4 92-96 22.5 FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % ( pet) (pet) (% max) - Utility backfill-east end Sanitary sewer line, 25' from north end, final 6" 272998 28.9 117.9 91.5 95 Utility backfill-east end 2 Sanitary sewer line, 225' from north end, 3' 6" 272998 30.4 118.1 90.6 94 below grade Utility backfill-east end 3 Sanitary sewer line, 225' from north end, 2' 6" 272998 30.0 119.7 92.1 95 below grade Utility backfill-east end 4 Sanitary sewer line, 225' from north end, l' 6" 272998 30.2 119.4 91.7 95 below grade Utility backfill-east end 5 Sanitary sewer line, 225' from north end, final 6" 272998 30.9 116.6 89.1 92 Utility backfill-east end 6 Sanitary sewer line, 425' from north end, 3' 6" 272998 29.1 116.6 90.3 94 below grade Utility backfill-east end 7 Sanitary sewer line, 425' from north end, 2' 6" 272998 28.7 117.0 90.9 94 below grade LIMITATIONS: The test results presented henein 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 ane 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. (CHIJB) Page 1 of 2 Rone Engineering . 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 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of In-Place Density Testing Report No.: 298902 Project No.: 0712932 Date of Service: 09/17/2007 Report Date: 09/19/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (% max) Utility backfill-east end 8 Sanitary sewer line, 425' from north end, l' 6" 272998 29.7 117.1 90.3 94 below grade Utility backfill-east end 9 Sanitary sewer line, 425' from north end, final 6" 272998 28.7 118.3 91.9 95 Technician: Joe Jernigan Started: 11 :OOam Report Distribution: Orig: Duke Construction. LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Finished: 01 :45pm 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. (CHIJB) Page 2 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 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 298033 Project No.: 0712932 Date of Service: 09/07/2007 Report Date: 09/19/2007 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. PROJECT DATA Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): NA Air (%): NA 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 Measured Slump (inches) 6.5 Mix Design I.D.: 7751 PW Placement Date: 09/07/2007 Weather Conditions: Partly cloudy Time Sampled: 10:28am Batch time: 10:09am Temperature - Air: 840F Concrete: 890F Truck No: 106 Ticket No: 13300 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Building piers J/19, J,K/20, J,K/21 , J,K/22, J,K/23, J,K/24, J,K/25, J,K/26, K/27 Sample Location: Building pier J/19 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 09/14/2007 7 6.00 28.27 86,140 3,050 Shear 1 2 09/14/2007 7 6.00 28.27 86,470 3,060 Cone/Split Average 3,050 1 3 10/05/2007 28 1 4 10/05/2007 28 1 5 11/02/2007 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/JB) 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 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 298033 Project No.: 0712932 Date of Service: 09/07/2007 Report Date: 09/19/2007 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. PROJECT DATA Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): NA 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 Measured Slump (inches) 7.0 Mix Design I.D.: 7751 PW Placement Date: 09/07/2007 Weather Conditions: Partly cloudy Time Sampled: 04: 15pm Batch time: 03:44pm Temperature - Air: 950F Concrete: 950F Truck No: 131 Ticket No: 13311 Air Content: NA Unit Weight (pct): NA Overall Placement Location: Building piers J/19, J,Kl20, J,Kl21 , J,Kl22, J,Kl23, J,Kl24, J,Kl25, J,Kl26, Kl27 Sample Location: Building pier Kl26 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 09/14/2007 7 6.00 28.27 71,500 2,530 Cone/Shear 2 2 09/14/2007 7 6.00 28.27 70,030 2,480 Cone/Shear Average 2,500 2 3 10/05/2007 28 2 4 10/05/2007 28 2 5 11/02/2007 56 Technician: Chris Harbour Rone Engineering See Report 298033 for technician time~~ Report Distribution: . .' . . . . --...... Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne . '. . . '. .~. (1-ec copy) '- 1-cc Potter Concrete Attn: Mr. Ryan Skelly K S It W t AET 1 C'ty fC IIAtt M L St . co a son, -cc I 0 oppe n: r. ee one. Proiect Manager 1-cc City of Coppell Attn: Mr. Larry DaVIS J 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. (CH/JB) Page 2 of 2 Rone Engineering . 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 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 298874 Project No.: 0712932 Date of Service: 09/17/2007 Report Date: 09/19/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Straight Shaft Pier Inspection Report of Inspection D ri lie r: A Uq e r Pie r Id e ntifica tio n C /26 B 12 6 B /2 7 C /27 C /28 Pier Diameter (in) 24 24 24 24 24 Depth of Pier From Surface (ft) 45.00 44.80 46.80 46.00 48.60 Depth ofBearinq Stratum Fro m Surface(ft} 39.00 39.00 41.00 39.40 42.00 Required Penetration (ft) 5.00 5.00 5.00 5.00 5.00 Actual Penetration (ft)' 6.00 5.80 5.80 6.60 6.60 Condition of Bottom (wet/dry) Dry Dry Dry Dry Dry Plumb Within Tolerance (ves /no) Yes Yes Yes Yes Yes Casinq Diameter(in)/Casinq Lenqth (ft) 26/38.5 2 6 /3 9 2 6/40 26/39 .4 26/40 NumberofBars /Reinforcing BarSize 6 1 #6 6 / #6 6 1 # 6 6 / #6 6 1 #6 Length of Reinforcing Steel (ft) 43.80 43.50 45.50 44.70 47.30 Time Drilling was Completed (am /pm) 8 :3 5 AM 9:39 AM 10:00 AM 10:30 AM 1 1 :25 AM Time Concrete was Placed (am Ipm) 9:55 AM 10:20 AM 10:50 AM 11:35AM 12:50 PM Depth of Pier From Top of Concrete (ft) 44.50 44.30 44.30 45.50 48.1 0 Elevation: Surface (ft)" 9 8 .50 9 8.50 98.50 98.50 98.50 Elevation:Top of Pier (ft).. 98.00 98.00 96.00 98.00 98.00 Elevation: Boltom of Pier (ft)" 5 3 .50 5 3.70 51.70 52.50 49.90 E Ie va ti 0 n: Top of Bearing Stratum (ft.)" 59.50 59.50 57.50 59.10 56.50 Bearino Stratum (description) Blue sha Ie Note: See report # NA for Compressive Strength Test Specimens. . Additional Penetration not requested unless noted. HE levation by others 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/KW) Page 1 of 3 Rone Engineering . 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 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 298874 Project No.: 0712932 Date of Service: 09/17/2007 Report Date: 09/19/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Straight Shaft Pier Inspection D ri lie r: Auqer Pier Identification B 12 8 H 117 G 117 F 117 E/17 PierDiameter(in) 24 24 24 24 24 Depth of Pier From Surface (fl) 49.00 45.00 45.00 45.40 43.60 Depth of Bearing Stratum Fro m Surface(ft) 43.00 38.30 38.50 37.60 38.00 R e quire d P e netra tio n (fl) 5.00 5.00 5.00 5.00 5.00 A ctua I P e ne tra tio n (ft)* 6.00 6.70 6.50 7.80 5.60 Condition of Bottom (wet 1 dry) Dry Dry Dry Dry Dry Plumb Within Tolerance (ves Ino) Yes Yes Yes Yes Yes Casing Diameter(in)/Casing Lenqth(ft) 26/43 2 6 13 7 .9 2 6 13 7 26/37.9 26/38 NumberofBars IReinforcing BarSize 6 1 #6 6 1 #6 6 1 # 6 6 1 #6 6 1 # 6 Length of Reinforcing Steel (ft) 47.80 43.70 43.70 44.10 41.60 Time Drilling was Completed (am Ipm) 1 :30 PM 2:15 PM 2 :3 5 PM 3:05 PM 3:31 PM Time Concrete was Placed (am Ipm) 2 :55 PM 3 :3 0 PM 3 :5 5 P M 4:20 P M 4 :4 8 P M Depth of Pier From Top of Concrete (ft) 48.50 44.50 44.50 44.90 43.10 E Ie va tio n: S urfa ce (ft)** 98.50 98.50 98.50 98.50 98.50 Elevation: Top of Pier (ft)** 98.00 98.00 98.00 98.00 98.00 Elevation: Bottom of Pier (ft)** 49.50 53.50 53.50 53.10 54.90 Elevation: Top of Bearinq Stratum (ft.)** 55.50 60.20 60.00 60.90 60.50 BearinQ Stratum (description) B lu e s h a Ie Note: See report # NA for Com pressive Strength Test Specim ens. * Additional Penetration not requested unless noted. HE levation by others 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 pensons or conditions over which we have no control. Our lettens 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/KW) Page 2 of 3 Rone Engineering . 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 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 298874 Project No.: 0712932 Date of Service: 09/17/2007 Report Date: 09/19/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Straight Shaft Pier Inspection D rille r: A ug e r Pie rid e ntifica tio n D /17 PierDiameter(in) 24 D e p th 0 f Pie r Fro m Surface(ft) 42.50 D e p th 0 f Be a rin aStra tu m Fro m S u rfa c e (ft) 37.50 R eq uired P e ne tra tio n (ft) 5.00 A ctua I P enetra tio n (ft)' 5.00 Condition of Bottom (wet/dry) Dry Plumb Within Tolerance (ves /no) Yes Casing Diameter(in)/Casina Lenath (ft) 26/36.8 NumberofBars IReinforcing BarSize 6 / #6 Length of Reinforcing Steel (ft) 41 .30 Time Drillina was Completed (am / pm) 3:50 PM Time Concrete was Placed (am / pm) 5:19 PM D e p th 0 f Pie r Fro m Top 0 f Con c re te (ft) 42.00 Elevation: Surface (ft)" 98.50 Elevation: Top of Pier (ft)" 98.00 Elevation: Bottom of Pier 1ft).. 56.00 Elevation: Top of Bear in a Stratum (ft.)" 61 .00 Bearing Stratum (description) Blue sha Ie Not e: See re port # NA for Com pressive Strength Test S pecim ens. . Additional Penetration not requested unless noted. "Elevation by others Remarks: Pier 8/27: l' off centerline to the west. Technician: Chris Harbour Started: 06:00am Report Distribution: Orig: Duke Construction. LP (Dallas, TX) AUn: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell Altn: Mr. Lee Stone 1-cc City of Coppell Altn: Mr. Larry Davis Finished: 06:15pm 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/KW) Page 3 of 3 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.: 298179 Project No.: 0712932 Date ot Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 03:15am Temperature - Air: 840F Truck No: 107 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid K.5f1.3 REPORT OF TESTS Batch time: 02:46am Concrete: 910F Ticket No: 13315 Unit Weight (pet): NA Measured Slump (inches) 9.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 99,230 Cylinder Marked Date Set No. Tested 1 1 09/15/2007 1 2 10/06/2007 1 3 10/06/2007 1 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Remarks: Water added at site: 10 gallons Area (in2) 28.27 Compressive Strength (psi) 3,510 Fracture Type Cone/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. (KW/KW) Page 1 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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 Req uirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 04:00am Temperature - Air: 810F Truck No: 128 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 03:44am Concrete: 910F Ticket No: 13325 Unit Weight (pct): NA Measured Slump (inches) 6.0 Sample Location: Grid K/2 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 09/15/2007 7 6.00 28.27 110,110 3,890 Shear 2 2 10/06/2007 28 2 3 10/06/2007 28 2 4 11/03/2007 56 Remarks: Water added at site: 5 gallons 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 2 of 11 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 SOO, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) S30-9745 Report of Concrete Compressive Strength Test Report No.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1 064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 9349 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 05:00am Temperature - Air: 800F Truck No: 104 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid 1<13 REPORT OF TESTS Batch time: 04:40am Concrete: 890F Ticket No: 13336 Unit Weight (pcf): NA Measured Slump (inches) 8.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 102,970 Cylinder Marked Date Set No. Tested 3 1 09/15/2007 3 2 10106/2007 3 3 10106/2007 3 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Remarks: Water added at site: 10 gallons Area (in') 28.27 Compressive Strength (psi) 3,640 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. (KW/KW) Page 3 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 06:00am Temperature - Air: 800F Truck No: 107 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid 4.2/K REPORT OF TESTS Batch time: 05:48am Concrete: 940F Ticket No: 13349 Unit Weight (pet): NA Measured Slump (inches) 5.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 114,320 Cylinder Marked Date Set No. Tested 4 1 09/15/2007 4 2 10/06/2007 4 3 10/06/2007 4 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 4,040 Fracture Type Cone/Split 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 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 07:45am Temperature - Air: 810F Truck No: 117 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid K.5/5.2 REPORT OF TESTS Batch time: 06:45am Concrete: 940F Ticket No: 13361 Unit Weight (pet): NA Measured Slump (inches) 5.0 Cylinder Marked Date Set No. Tested 5 1 09/15/2007 5 2 10/06/2007 5 3 10/06/2007 5 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 101,820 Area (in') 28.27 Compressive Strength (psi) 3,600 Fracture Type Cone/Split 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 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 08:45am Temperature - Air: 810F Truck No: 104 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 07:59am Concrete: 940F Ticket No: 13371 Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: Grid 6.3/K.7 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 6 1 09/15/2007 7 6.00 28.27 98,990 3,500 Cone/Shear 6 2 10/06/2007 28 6 3 10/06/2007 28 6 4 11/03/2007 56 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, LId (KW/KW) Page 6 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 09:38am Temperature - Air: 850F Truck No: 128 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid 7/K.5 REPORT OF TESTS Batch time: 09:07am Concrete: 940F Ticket No: 13382 Unit Weight (pet): NA Measured Slump (inches) 6.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 92,150 Cylinder Marked Date Set No. Tested 7 1 09/15/2007 7 2 10/06/2007 7 3 10/06/2007 7 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 3,260 Fracture Type Cone/Split 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 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 Project: Hemisphere's at Point West Cappell, 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 10:35am Temperature - Air: 890F Truck No: 132 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Sample Location: Grid K.5IB.3 REPORT OF TESTS Batch time: 10: 16am Concrete: 940F Ticket No: 13394 Unit Weight (pcf): NA Measured Slump (inches) 4.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 107,900 Cylinder Marked Date Set No. Tested 8 1 09/15/2007 8 2 10/06/2007 8 3 10/06/2007 8 4 11/03/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 3,820 Fracture Type Cone/Split 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. (t0N/KW) Page 8 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 11 :50am Temperature - Air: 950F Truck No: 101 Air Content: NA Overall Placement Location: Building Slab, grid lines J-L and 1-11 Batch time: 11: 16am Concrete: 940F Ticket No: 13406 Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: Grid K.5/9.5 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 09/15/2007 7 6.00 28.27 98,930 3,500 Cone/Shear 9 2 10/06/2007 28 9 3 10/06/2007 28 9 4 11/03/2007 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. (KWIKW) Page 9 of 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 12:50pm Temperature - Air: 960F Truck No: 104 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 12:28pm Concrete: 980F Ticket No: 13417 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Sample Location: Grid 10.3/L.5 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Set No. Tested (days) (in) (in2) (Ibs) (psi) - 10 1 09/15/2007 7 6.00 28.27 94,830 3,350 10 2 10/06/2007 28 10 3 10/06/2007 28 10 4 11/03/2007 56 Fracture Type Cone/Split 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 11 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.: 298179 Project No.: 0712932 Date of Service: 09/08/2007 Report Date: 09/19/2007 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: 4,000 psi @ 28 days Slump (in.): 3" - 6" 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 FW Placement Date: 09/08/2007 Weather Conditions: Clear Time Sampled: 02:00pm Temperature - Air: 1000F Truck No: 102 Air Content: NA Overall Placement Location: Building Slab, gridlines J-L and 1-11 Batch time: 01 :39pm Concrete: 980F Ticket No: 13429 Unit Weight (pet): NA Measured Slump (inches) 3.0 Sample Location: Grid 11/L 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 11 1 09/15/2007 7 6.00 28.27 118,130 4,180 Cone/Split 11 2 10/06/2007 28 11 3 10/06/2007 28 11 4 11/03/2007 56 Technician: Edward Gutirrez Started: 02:00am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Attn: Mr. Ryan Skelly 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Altn: Mr. Larry Davis Finished: 03:30pm Rone Engineering p~.~ K. Scott Watson, AET Project Manager L1MrTA 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. (KW/KW) Page 11 of 11