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Duke Lesley 2A-LR071130 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.: 303303 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placementlocalions, 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: On site Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" 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: 10/29/2007 Weather Conditions: Clear, calm Time Sampled: 09:45am Batch time: 09:12am Temperature - Air: 640F Concrete: 770F Truck No: 109 Ticket No: 15114 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Piers (see report #303302) Measured Slump (inches) 6.0 Sample Location: Pier A/1.5 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) (in") (Ibs) (psi) Type 1 1 11/05/2007 7 6.00 28.27 70,230 2,480 Cone/Split 1 2 11/26/2007 28 6.00 28.27 147,600 5,220 Cone/Split 1 3 11/26/2007 28 6.00 28.27 153,600 5,430 Shear Average 5,330 4 12/24/2007 56 Technician: Tommy Carver Rone Engineering See Report 303302 for technician time~ ~ Report Distribution: .. ~ 0,.,0'" Co""",ctloo, lP (O,"'dX) A1t"' M'. P,"' Byme . . - - .. (1-eccopy) - - - 1-cc Potter Concrete Altn: Mr Ryan Skelly K. Scott Walson AET 1-cc City of Coppell Altn: Mr. Lee Stone P . 1M' 1-cc City of Coppell 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, LId. (TMlKW) Page 1 of 1 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.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Clear Time Sampled: 03:10am Temperature - Air: 500F Truck No: 140 Air Content: 4.1 % Overall Placement Location: Paving Batch time: 02:57am Concrete: BooF Ticket No: 15069 Unit Weight (pet): NA Measured Slump (inches) 5.25 Sample Location: 275' north, 300' west from northeast building corner 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 11/05/2007 7 6.00 28.27 123,950 4,380 Shear 2 11/26/2007 28 6.00 28.27 144,730 5,120 Cone/Shear 3 11/26/2007 28 6.00 28.27 151,810 5,370 Shear Average 5,240 4 12/24/2007 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. (JB/KW) Page 1 of9 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: 1214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Clear Time Sampled: 04:45am Temperature - Air: 500F Truck No: 138 Air Content: 4.3% Overall Placement Location: Paving Batch time: 04:27am Concrete: 800F Ticket No: 15081 Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: 215' north, 275' west from northeast building corner 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 11/05/2007 7 6.00 28.27 120,440 4,260 Cone/Split 2 2 11/26/2007 28 6.00 28.27 154,240 5,460 Cone/Shear 2 3 11/26/2007 28 6.00 28.27 165,950 5,870 Cone/Split Average 5,660 2 4 12/24/2007 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. (JB/KW) Page 2 of 9 Rone Engineering .. Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Clear Time Sampled: 05:30am Temperature - Air: 520F Truck No: 138 Air Content: 4.5% Overall Placement Location: Paving Batch time: 05:16am Concrete: 80oF' Ticket No: 15090 Unit Weight (pet): NA Measured Slump (inches) 5.5 Sample Location: 250' north, 220' west from northeast building corner REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 3 1 11/05/2007 7 6.00 28.27 124,470 4,400 Cone/Split 3 2 11/26/2007 28 6.00 28.27 135,420 4,790 Cone/Split 3 3 11/26/2007 28 6.00 28.27 135,200 4,780 Cone/Split Average 4,790 3 4 12/24/2007 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. (JB/KW) Page 3 019 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.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Clear Time Sampled: 07:30am Temperature - Air: 520F Truck No: 138 Air Content: 4.1 % Overall Placement Location: Paving Batch time: 07:12am Concrete: 800F Ticket No: 15100 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Sample Location: 200' north, 180 west from northeast building corner 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 11/05/2007 7 6.00 28.27 97,610 3,450 Shear 4 2 11/26/2007 28 6.00 28.27 132,710 4,690 Cone/Split 4 3 11/26/2007 28 6.00 28.27 135,300 4,790 Cone/Split Average 4,740 4 4 12/24/2007 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. (J B/KW) Page 4 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Sunny, clear Time Sampled: 09:30am Batch time: 09:01am Temperature - Air: 560F Concrete: 840F Truck No: 138 Ticket No: 15112 Air Content: 4.7% Unit Weight (pcf): NA Overall Placement Location: Paving Measured Slump (inches) 5.25 Sample Location: 180' north, 150' west from northeast building corner 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 11/05/2007 7 6.00 28.27 94,610 3,350 Cone/Split 5 2 11/26/2007 28 6.00 28.27 126,610 4,480 Cone/Split 5 3 11/26/2007 28 6.00 28.27 134,560 4,760 Shear Average 4,620 5 4 12/24/2007 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, LId. (JB/KW) Page 5 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Sunny, clear Time Sampled: 10:15am Batch time: 09:51am Temperature - Air: 600F Concrete: 860F Truck No: 118 Ticket No: 15120 Air Content: 4.5% Unit Weight (pet): NA Overall Placement Location: Paving Measured Slump (inches) 5.5 Sample Location: 215' north, 125' west from northeast building corner 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 11/05/2007 7 6.00 28.27 98,410 3,480 Shear 6 2 11/26/2007 28 6.00 28.27 138,910 4,910 Cone/Split 6 3 11/26/2007 28 6.00 28.27 138,400 4,890 Shear Average 4,900 6 4 12/24/2007 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. (JB/KW) Page 6 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.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Sunny, clear Time Sampled: 12:00pm Batch time: 11:24am Temperature - Air: 650F Concrete: 860F Truck No: 138 Ticket No: 15131 Air Content: 4.6% Unit Weight (pet): NA Overall Placement Location: Paving Measured Slump (inches) 5.0 Sample Location: 200' north, 100' west from northeast building corner REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 7 1 11/05/2007 7 6.00 28.27 102,000 3,610 Cone/Shear 7 2 11/26/2007 28 6.00 28.27 146,170 5,170 Shear 7 3 11/26/2007 28 6.00 28.27 150,200 5,310 Shear Average 5,240 7 4 12/24/2007 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. (JB/KW) Page 7 of9 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.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Sunny, clear Time Sampled: 01:00pm Batch time: 12:28pm Temperature - Air: 700F Concrete: 860F Truck No: 140 Ticket No: 15069 Air Content: 4.1 % Unit Weight (pet): NA Overall Placement Location: Paving Measured Slump (inches) 5.25 Sample Location: 250' north, 70' west from northeast building corner 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 11/05/2007 7 6.00 28.27 103,550 3,660 Shear 8 2 11/26/2007 28 6.00 28.27 134,950 4,770 Shear 8 3 11/26/2007 28 6.00 28.27 146,560 5,180 Shear Average 4,980 8 4 12/24/2007 56 Remarks: Water added at site: 5 gallons L1MITA nONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (JB/KW) Page 8 of9 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.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 7753PW Placement Date: 10/29/2007 Weather Conditions: Sunny, clear Time Sampled: 02: 1 Opm Batch time: 01 :43pm Temperature - Air: 700F Concrete: 860F Truck No: 140 Ticket No: 15069 Air Content: 4.3% Unit Weight (pcf): NA Overall Placement Location: Paving Measured Slump (inches) 5.25 Sample Location: 215' north, 40' west from northeast building corner 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 11/05/2007 7 6.00 28.27 108,530 3,840 Cone/Split 9 2 11/26/2007 28 6.00 28.27 159,210 5,630 Shear 9 3 11/26/2007 28 6.00 28.27 157,310 5,560 Cone/Split Average 5,600 9 4 12/24/2007 56 Remarks: Water added at site: 5 gallons Finished: ~15~;;ij ~ K. Scott Watson, AET Project Manager Technician: Montreal Bailey Started: 02:00am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Altn: Mr Ryan Skelly 1-cc City of Coppell AUn: Mr. Lee Stone 1-cc City of Coppell Altn: Mr. Larry Davis LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. 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. (JB/KW) Page 9 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303555 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: On site Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" 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 OAT A Mix Design 1.0.: 7751PW Placement Date: 10/30/2007 Weather Conditions: Clear, light wind Time Sampled: 10:30am Batch time: 10:08am Temperature - Air: 650F Concrete: 730F Truck No: 126 Ticket No: 15218 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Piers (see report #303554) Measured Slump (inches) 6.5 Sample Location: Same as above 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 11/06/2007 7 6.00 28.27 91,820 3,250 Cone/Split 1 2 11/27/2007 28 6.00 28.27 129,040 4,560 Cone/Split 1 3 11/27/2007 28 6.00 28.27 130,170 4,600 Cone/Split Average 4,580 4 12/25/2007 56 Technician: Tommy Carver Rone Engineering See Report 303554 for technician time~ ~ Report Distribution: . . ~~ Orig' Duk. Co",'ructloo. LP (D."... lX) Art"' Me p", Bym. . ' . . '. (1-ec copy) · - - - 1-cc Polter Concrete Altn: Mr Ryan Skelly K. Scott Watson, AET 1-cc City of Coppell Altn: Mr. Lee Stone. Project Manager 1-cc City of Coppell Altn: Mr. Larry DaVIS ~ LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. 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 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 B90B Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 7B744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Clear Time Sampled: 04:10am Temperature - Air: 480F Truck No: 103 Air Content: NA Overall Placement Location: Panels 9-19, 21-27, 29-31, 33-41 Batch time: 03:38am Concrete: 800F Ticket No: 15166 Unit Weight (pet): NA Measured Slump (inches) 4.0 Sample Location: Panel 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 1 1 11/06/2007 7 6.00 28.27 132,820 4,700 Cone/Split 2 11/27/2007 28 6.00 28.27 186,230 6,590 Shear 3 11/27/2007 28 6.00 28.27 189,610 6,710 Shear Average 6,650 1 4 12/25/2007 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. Ltd. (TM/KW) Page 1 of 7 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.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Clear Time Sampled: 05:45am Temperature - Air: 480F Truck No: 103 Air Content: NA Overall Placement Location: Panels 9-19, 21-27, 29-31, 33-41 Batch time: 05: 18am Concrete: 800F Ticket No: 15176 Unit Weight (pcf): NA Measured Slump (inches) 4.25 Sample Location: Panel 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) (in') (Ibs) (psi) Type 2 1 11/06/2007 7 6.00 28.27 135,890 4,810 Cone/Split 2 2 11/27/2007 28 6.00 28.27 193,820 6,850 Cone/Shear 2 3 11/27/2007 28 6.00 28.27 190,380 6,730 Cone/Split Average 6,790 2 4 12/25/2007 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. (TMlKW) Page 2 of 7 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.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Clear Time Sampled: 06:45am Temperature - Air: 500F Truck No: 108 Air Content: NA Overall Placement Location: Panels 9-19, 21-27, 29-31, 33-41 Batch time: 06:30am Concrete: 800F Ticket No: 15187 Unit Weight (pet): NA Measured Slump (inches) 4.5 Sample Location: Panel 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) (in') (Ibs) (psi) Type 3 1 11/06/2007 7 6.00 28.27 94,000 3,320 Cone/Split 3 2 11/27/2007 28 6.00 28.27 165,390 5,850 Cone/Split 3 3 11/27/2007 28 6.00 28.27 165,560 5,860 Shear Average 5,850 3 4 12/25/2007 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. (TM/KW) Page 3 of 7 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.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Sunny, clear Time Sampled: 08:30am Batch time: 08:06am Temperature - Air: 520F Concrete: 800F Truck No: 108 Ticket No: 15197 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Panels 9-19, 21-27,29-31,33-41 Measured Slump (inches) 4.5 Sample Location: Panel 23 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 11/06/2007 7 6.00 28.27 111,420 3,940 Cone/Split 4 2 11/27/2007 28 6.00 28.27 160,050 5,660 Cone/Split 4 3 11/27/2007 28 6.00 28.27 153,900 5,440 Cone/Split Average 5,550 4 4 12/25/2007 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. (TM/KW) Page 4 of 7 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.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Sunny, clear Time Sampled: 09:45am Batch time: 09:23am Temperature - Air: 600F Concrete: 850F Truck No: 112 Ticket No: 15209 Air Content: NA Unit Weight (pct): NA Overall Placement Location: Panels 9-19,21-27,29-31,33-41 Measured Slump (inches) 6.0 Sample Location: Panel 27 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 11/06/2007 7 6.00 28.27 99,560 3,520 Cone/Shear 5 2 11/27/2007 28 6.00 28.27 143,370 5,070 Cone/Split 5 3 11/27/2007 28 6.00 28.27 139,930 4,950 Cone/Split Average 5,010 5 4 12/25/2007 56 LIMIT A TIONS: 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 5 of 7 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.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Req u irements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Sunny, clear Time Sampled: 10:15am Batch time: 09:59am Temperature - Air: 650F Concrete: 850F Truck No: 103 Ticket No: 15216 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Panels 9-19, 21-27, 29-31, 33-41 Measured Slump (inches) 6.0 Sample Location: Panel 33 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 11/06/2007 7 6.00 28.27 98,950 3,500 Cone/Split 6 2 11/27/2007 28 6.00 28.27 145,110 5,130 Cone/Split 6 3 11/27/2007 28 6.00 28.27 148,540 5,250 Cone/Split Average 5,190 6 4 12/25/2007 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. (TMlKW) Page 6 of 7 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.: 303504 Project No.: 0712932 Date of Service: 10/30/2007 Report Date: 11/30/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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.: 9349PW Placement Date: 10/30/2007 Weather Conditions: Sunny, clear Time Sampled: 11 :50am Batch time: 11 :36am Temperature - Air: 650F Concrete: 860F Truck No: 103 Ticket No: 15227 Air Content: NA Unit Weight (pct): NA Overall Placement Location: Panels 9-19, 21-27, 29-31, 33-41 Measured Slump (inches) 5.0 Sample Location: Panel 37 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 11/06/2007 7 6.00 28.27 91,770 3,250 Cone/Split 7 2 11/27/2007 28 6.00 28.27 147,760 5,230 Cone/Split 7 3 11/27/2007 28 6.00 28.27 140,400 4,970 Cone/Split Average 5,100 7 4 12/25/2007 56 Remarks: Water added at site: 10 gallons Finished: 0315~;;ii ~ K. Scott Watson, AET Project Manager Technician: Montreal Bailey Started: 03:00am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) AUn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete AUn: Mr Ryan Skelly 1-cc City of Coppell Altn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. 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 7