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Duke Lesley 2A-LR071025 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 Freldrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 5" Air (0/0): 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 Placement Date: 10/02/2007 Weather Conditions: Cloudy Time Sampled: 03:55pm Temperature - Air: 780F Truck No: 102 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Sample Location: C,O,E/Line 11-12 REPORT OF TESTS Batch time: 03:42pm Concrete: 900F Ticket No: 14247 Unit Weight (pct): NA Measured Slump (inches) 7.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 101,870 Cylinder Marked Date Set No. Tested 1 1 10/09/2007 1 2 10/30/2007 1 3 10/30/2007 4 11/27/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in2) 28.27 Compressive Strength (psi) 3,600 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. (KWIKW) Page 1 of 10 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 Freldrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Cloudy Time Sampled: 05:00am Temperature - Air: 780F Truck No: 130 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Batch time: 04:38am Concrete: 900F Ticket No: 14257 Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: C,D,E/Line 12-12.9 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 10/09/2007 7 6.00 28.27 101,360 3,580 Cone/Split 2 2 10/30/2007 28 2 3 10/30/2007 28 2 4 11/27/2007 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 2 of 10 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.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Cloudy Time Sampled: 05:45am Temperature - Air: 780F Truck No: 138 Air Content: NA Overall Placement Location: Slab, grid lines C-E and 11-21 Sample Location: C,D,E/Line 12.9-13.8 REPORT OF TESTS Batch time: 05:34am Concrete: 880F Ticket No: 14267 Unit Weight (pcf): NA Measured Slump (inches) 6.0 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 119,690 Cylinder Marked Date Set No. Tested 3 1 10/09/2007 3 2 10/30/2007 3 3 10/30/2007 3 4 11/27/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Area (in') 28.27 Compressive Strength (psi) 4,230 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 3 of 10 Rone En~=:i 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.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 5" 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 OAT A Mix Design 1.0.: 9349 Placement Date: 10/02/2007 Weather Conditions: Cloudy Time Sampled: 07:00am Temperature - Air: 800F Truck No: 102 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Batch time: 06:40am Concrete: 920F Ticket No: 14277 Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: C,D,E/Line 13.8-14.8 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (In) (in') (Ibs) (psi) Type 4 1 10/09/2007 7 6.00 28.27 123,210 4,360 Cone/Split 4 2 10/30/2007 28 4 3 10/30/2007 28 4 4 11/27/2007 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 4 of 10 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.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Sunny Time Sampled: 08:00am Temperature - Air: 800F Truck No: 130 Air Content: NA Overall Placement Location: Slab, grid lines C-E and 11-21 Batch time: 07:36am Concrete: 880F Ticket No: 14287 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Sample Location: C,O,E/Line 14.8-15.9 REPORT OF TESTS Cylinder Marked Date Set No. Tested 5 1 10/09/2007 5 2 10/30/2007 5 3 10/30/2007 5 4 11/27/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 114,750 Compressive Strength (psi) 4,060 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. (KW/KW) Page 5 of 10 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.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Sunny Time Sampled: 09:40am Temperature - Air: 800F Truck No: 138 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Batch time: 09:24am Concrete: 900F Ticket No: 14299 Unit Weight (pcf): NA Measured Slump (inches) 6.0 Sample Location: C,D,E/Line 15.9-16.8 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in2) (Ibs) (psi) Type 6 1 10/09/2007 7 6.00 28.27 114,540 4,050 Cone/Split 6 2 10/30/2007 28 6 3 10/30/2007 28 6 4 11/27/2007 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 6 of 10 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 Freldrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Sunny Time Sampled: 10:30am Temperature - Air: 840F Truck No: 138 Air Content: NA Overall Placement Location: Slab, grid lines C-E and 11-21 Batch time: 10:22am Concrete: 880F Ticket No: 14309 Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: C,D,E/Line 16.8-18 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) (inZ) (Ibs) (psi) Type 7 1 10/09/2007 7 6.00 28.27 109,340 3,870 Cone/Split 7 2 10/30/2007 28 7 3 10/30/2007 28 7 4 11/27/2007 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 10 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 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Sunny Time Sampled: 11 :45am Temperature - Air: 860F Truck No: 102 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Batch time: 11 :28am Concrete: 900F Ticket No: 14321 Unit Weight (pcf): NA Measured Slump (inches) 7.0 Sample Location: C,D,E/Line 18-19.2 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 8 1 10/09/2007 7 6.00 28.27 101,180 3,580 Cone/Split 8 2 10/30/2007 28 8 3 10/30/2007 28 8 4 11/27/2007 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 10 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 Freldrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 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 Placement Date: 10/02/2007 Weather Conditions: Sunny Time Sampled: 12:45pm Temperature - Air: 880F Truck No: 134 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Batch time: 12:28pm Concrete: 900F Ticket No: 14331 Unit Weight (pcf): NA Measured Slump (inches) 6.0 Sample Location: C,D,E/Line 19.2-20.4 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 10/09/2007 7 6.00 28.27 97,930 3,460 Cone/Split 9 2 10/30/2007 28 9 3 10/30/2007 28 9 4 11/27/2007 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 9 of 10 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.: 300683 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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" - 5" Air (0/0): 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 Placement Date: 10/02/2007 Weather Conditions: Sunny Time Sampled: 01 :30pm Temperature - Air: 880F Truck No: 134 Air Content: NA Overall Placement Location: Slab, gridlines C-E and 11-21 Batch time: 01:19pm Concrete: 920F Ticket No: 14338 Unit Weight (pct): NA Measured Slump (inches) 5.0 Sample Location: C,D,E/Line 20.4-21 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 10/09/2007 7 6.00 28.27 109,370 3,870 10 2 10/30/2007 28 10 3 10/30/2007 28 10 4 11/27/2007 56 Fracture Type Cone/Split Started: 02:30am Finished: 02:15pm Technician: Denny Harris Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Altn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Altn: Mr. Ryan Skelly 1-cc City of Coppell Altn: Mr. Lee Stone 1-cc City of Coppell Altn: 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. (KWIKW) Page 10 of 10 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.: 300662 Project No.: 0712932 Date of Service: 10/02/2007 Report Date: 10/25/2007 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: 3,000 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 PROJECT DATA Mix Design 1.0.: 7751 PW Placement Date: 10/02/2007 Weather Conditions: Few clouds Time Sampled: 10:15am Batch time: 09:13am Temperature - Air: 800F Concrete: 820F Truck No: 109 Ticket No: 14297 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Building piers U9.8, K.7/0.9, K.210.9, J.8/0.9, H.8, H.2, G.8/1 Measured Slump (inches) 6.75 Sample Location: Pier US.8 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 1 1 10/09/2007 7 6.00 28.27 91,690 3,240 Cone/Split 1 2 10/09/2007 7 6.00 28.27 91,480 3,240 Cone/Split Average 3,240 1 3 10/30/2007 28 1 4 10/30/2007 28 1 5 11/27/2007 56 Technician: Chris Harbour Rone Engineering See Report 300661 for technician time~ ~ ~~~: ....~ ~ Orig: Duke Construction, LP (Dallas, TX) Altn: Mr. Paul Byrne . ~ (1-ec copy) - 1-cc P~tter Concrete Altn: Mr. Ryan Skelly K. Scott Watson AET 1-cc City of Coppel! Altn: Mr. Lee Stone p . t M ' 1-cc City of Coppel! Altn: Mr. Larry Davis roJec anager 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/KW) Page 1 of 1 Rone Eni~ 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 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Reinforcing Steel Inspection Report No.: 302381 Project No.: 0712932 Date of Service: 10/18/2007 Report Date: 10/25/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Reinforcing Steel Inspection Report of Inspection Locations and Items Inspected: Tilt wall panels P109, P138, P143-P146, P148-P152 Item s Inspected. Conforming Non Items Inspected: Conform ing Non Item sins pected: Co nlo rm ing Non Conforming Conforming Co nlo rm ing Placing Drawings B er Length Column Ties Properly Appro ved x and Shape x Tied and Spaced NA B sr Size x P fO per B sr P Iscem ent x Stirrup Spacing x B sr Grade x Properly Tied x Stirrup Type x Bars Clean x Dowel Bars in Place x Lepped Splices x Form Clean x ProperBarSupports x CornerBars x Numberof Bars x ProperCol/er x Mechanical Splices NA Discrepancies / Comments: 1. Remove loose debris from placement area. 2. Slab dowels are missing. 3. Add chairs. Discrepancies noted above were corrected prior to concrete placement. Technician: Jose Villanueva Started: 12:30pm Report Distribution: Orig: Duke Construction. LP (Dallas, TX) Alln: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell Alln: Mr. Lee Stone 1-cc City of Coppell Alln: Mr. Larry Davis Finished: 03:00pm 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 1 of 1