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Duke Lesley 2A-LR071227 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: 12/27/2007 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: 800F Ticket No: 15069 Unit Weight (pcf): NA Measured Slump (inches) 5.25 Sample Location: 275' north, 300' west from northeast building comer 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 11/05/2007 7 6.00 28.27 123,950 4,380 Shear 1 2 11/26/2007 28 6.00 28.27 144,730 5,120 Cone/Shear 1 3 11/26/2007 28 6.00 28.27 151,810 5,370 Shear Average 5,240 1 4 12/24/2007 56 6.00 28.27 164,430 5,820 Shear 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 Df 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 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: 12/27/2007 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-1 064 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 (pcf): 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) (in2) (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 6.00 28.27 206,060 7,290 Shear 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 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: 12/27/2007 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: 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-1 064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 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: 800F Ticket No: 15090 Unit Weight (pcf): 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) (in2) (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 6.00 28.27 163,390 5,780 Cone/Split 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 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: 12/27/2007 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 Str&ngth: 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 6.00 28.27 143,070 5,060 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 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: 12/27/2007 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-1 064 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 (pct): 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 6.00 28.27 142,570 5,040 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 5 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 12/27/2007 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: 10:15am Batch time: 09:51am Temperature - Air: 600F Concrete: 860F Truck No: 118 Ticket No: 15120 Air Content: 4.5% Unit Weight (pcf): 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) (in2) (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 6.00 28.27 150,320 5,320 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 6 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 12/27/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perfonn 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: 12:00pm Batch time: 11 :24am Temperature - Air: 650F Concrete: 860F Truck No: 138 Ticket No: 15131 Air Content: 4.6% Unit Weight (pcf): NA Overall Placement Location: Paving Measured Slump (inches) 5.0 Sample Location: 200' north, 100' west from northeast building comer 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 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 6.00 28.27 160,150 5,660 Cone/Split 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 7 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 12/27/2007 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 :OOpm 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 6.00 28.27 161,260 5,700 Cone/Shear 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 8 of 9 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303322 Project No.: 0712932 Date of Service: 10/29/2007 Report Date: 12/27/2007 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-1 064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 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 (pet): 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) (in2) (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 6.00 28.27 163,180 5,770 Cone/Split Remarks: Water added at site: 5 gallons Started: 02:00am Finished: 04:15pm Technician: Montreal Bailey 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 upDn the specific samples provided fDr testing. We assume nD responsibility for variation in quality (cDmpositiDn, appearance, etc.) Dr any Dther feature of similar subject matter provided by persons Dr cDnditions Dver which we have nD control. Our letters and reports are fDr the exclusive use Df the clients tD whDm they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (KWIKW) 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: Redi Mix Plant: 136 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-1 064 ASTM C-138 ASTM C-39 Batch time: 03:36am Concrete: 800F Ticket No: 13600163 Unit Weight (pcf): NA Measured Slump (inches) 4.0 Mix Design 1.0.: L40N980A Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 04:20am Temperature - Air: 500F Truck No: 1182 Air Content: NA Overall Placement Location: Panels at Point West VII - 1 st mix (380 yds) - panels 114, 110, 109, 122, 165, 162, 98, 4,3,1 - Sample Location: Panel 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 1 1 11/02/2007 7 6.00 28.27 151,860 5,370 Cone/Split 1 2 11/23/2007 28 6.00 28.27 197,580 6,990 Shear 1 3 11/23/2007 28 6.00 28.27 198,370 7,020 Shear Average 7,000 1 4 12/21/2007 56 6.00 28.27 219,920 7,780 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. (CH/KW) Page 1 of 4 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: Redi Mix Plant: 136 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 Batch time: 05:03am Concrete: 800F Ticket No: 13600173 Unit Weight (pet): NA Measured Slump (inches) 4.25 Mix Design 1.0.: L40N980A Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 05:30am Temperature - Air: 500F Truck No: 1031 Air Content: NA Overall Placement Location: Panels at Point West VII - 1 st mix (380 yds) - panels 114, 110, 109, 122, 165, 162, 98, 4,3, 1 Sample Location: Panel 1 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in2) (Ibs) (psi) Type 2 1 11/02/2007 7 6.00 28.27 160,170 5,660 Shear 2 2 11/23/2007 28 6.00 28.27 211,420 7,480 Cone/Split 2 3 11/23/2007 28 6.00 28.27 194,630 6,880 Shear Average 7,180 2 4 12/21/2007 56 6.00 28.27 225,690 7,980 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. (CH/KW) Page 2 of 4 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: Redi Mix Plant: 136 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 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 Batch time: 05:53am Concrete: 82DF Ticket No: 13600182 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Mix Design I.D.: L40N980A Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 06:30am Temperature - Air: 52DF Truck No: 1189 Air Content: NA Overall Placement Location: Panels at Point West VII - 1 st mix (380 yds) - panels 114, 110, 109, 122, 165, 162, 98, 4,3,1 Sample Location: Panel 122 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 11/02/2007 7 6.00 28.27 102,360 3,620 Shear 3 2 11/23/2007 28 6.00 28.27 148,840 5,260 Shear 3 3 11/23/2007 28 6.00 28.27 148,930 5,270 Shear Average 5,270 3 4 12/21/2007 56 6.00 . 28.27 176,210 6,230 Cone/Split 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 Dr 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 3 of 4 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: Redi Mix Plant: 136 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 Batch time: 07:37am Concrete: 840F Ticket No: 13600196 Unit Weight (pet): NA Measured Slump (inches) 5.25 Mix Design I.D.: L40N980A Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 08:00am Temperature - Air: 550F Truck No: 1190 Air Content: NA Overall Placement Location: Panels at Point West VII - 1 st mix (380 yds) - panels 114, 110, 109, 122, 165, 162, 98, 4, 3, 1 Sample Location: Panel 109 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 11/02/2007 7 6.00 28.27 114,690 4,060 Cone/Split 4 2 11/23/2007 28 6.00 28.27 151,120 5,340 Cone/Split 4 3 11/23/2007 28 6.00 28.27 148,620 5,260 Cone/Split Average 5,300 4 4 12/21/2007 56 6.00 28.27 175,520 6,210 Shear Started: 03:00am Finished: 03:45pm Technician: Montreal Bailey 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 Coppel! Attn: Mr. Lee Stone 1-cc City of Coppel! 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. (CH/KW) Page 4 of 4 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.: 303197 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: 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 Measured Slump (inches) 4.0 Mix Design I.D.: 9349PW Placement Date: 10/26/2007 Weather Conditions: Sunny, clear Time Sampled: 09:15am Batch time: 08:58am Temperature - Air: 600F Concrete: 840F Truck No: 131 Ticket No: 14916 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Panels at Point West VII - 2nd mix (405 yds), panels 111-113, 153-160, 163-164, 5-8 Sample Location: Panel 113 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 11/02/2007 7 6.00 28.27 118,770 4,200 Cone/Shear 1 2 11/23/2007 28 6.00 28.27 164,940 5,830 Cone/Split 1 3 11/23/2007 28 6.00 28.27 163,580 5,790 Cone/Split Average 5,810 1 4 12/21/2007 56 6.00 28.27 182,340 6,450 Cone/Split 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. (CH/KW) Page 1 of 4 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.: 303197 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: 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-1 064 ASTM C-138 ASTM C-39 Measured Slump (inches) 4.75 Mix Design I.D.: 9349PW Placement Date: 10/26/2007 Weather Conditions: Sunny, clear Time Sampled: 11 :35am Batch time: 11: 19am Temperature - Air: 650F Concrete: 860F Truck No: 120 Ticket No: 14933 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Panels at Point West VII - 2nd mix (405 yds), panels 111-113, 153-160, 163-164, 5-8 Sample Location: Panel 155 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 11/02/2007 7 6.00 28.27 111 ,130 3,930 Cone/Split 2 2 11/23/2007 28 6.00 28.27 161,300 5,700 Cone/Split 2 3 11/23/2007 28 6.00 28.27 153,600 5,430 Cone/Split Average 5,570 2 4 12/21/2007 56 6.00 28.27 161,640 5,720 Cone/Split 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. (CH/KW) Page 2 of 4 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.: 303197 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: 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 Measured Slump (inches) 5.0 Mix Design 1.0.: 9349PW Placement Date: 10/26/2007 Weather Conditions: Sunny, clear Time Sampled: 01:05pm Batch time: 12:48pm Temperature - Air: 650F Concrete: 860F Truck No: 131 Ticket No: 14946 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Panels at Point West VII - 2nd mix (405 yds), panels 111-113, 153-160, 163-164, 5-8 Sample Location: Panel 160 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 11/02/2007 7 6.00 28.27 112,320 3,970 Cone/Split 3 2 11/23/2007 28 6.00 28.27 157,750 5,580 Cone/Split 3 3 11/23/2007 28 6.00 28.27 160,390 5,670 Cone/Split Average 5,630 3 4 12/21/2007 56 6.00 28.27 172,720 6,110 Shear 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. (CH/KW) Page 3 of 4 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.: 303197 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: 1 Specification Requirements Strength: 4,000 psi @ 2& 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 Measured Slump (inches) 5.25 Mix Design I.D.: 9349PW Placement Date: 10/26/2007 Weather Conditions: Sunny, clear Time Sampled: 01 :50pm Batch time: 01 :33pm Temperature - Air: 700F Concrete: 860F Truck No: 106 Ticket No: 14954 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Panels at Point West VII - 2nd mix (405 yds), panels 111-113, 153-160, 163-164, 5-8 Sample Location: Panel 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 4 1 11/02/2007 7 6.00 28.27 113,070 4,000 Shear 4 2 11/23/2007 28 6.00 28.27 153,900 5,440 Cone/Split 4 3 11/23/2007 28 6.00 28.27 157,240 5,560 Shear Average 5,500 4 4 12/21/2007 56 6.00 28.27 174,220 6,160 Cone/Split Technician: Montreal Bailey Rone Engineering See Report 303088 for technician time~~ Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne . . . . '. '. (1-ec copy) 1-cc P~tter Concrete Attn: Mr Ryan Skelly K. Scott Watson, AET 1-cc C~ty of Coppell Attn: Mr. Lee Stone . Project Manager 1-cc CIty of Coppell Attn: Mr. Larry DavIs Remarks: Water added at site: 10 gallons ~ LIMITATION S: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/KW) Page 4 of 4 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.: 303068 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 12/27/2007 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: 1 on-site mix 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 Measured Slump (inches) 6.0 Mix Design I.D.: 7751 PW Placement Date: 10/26/2007 Weather Conditions: Clear, light wind Time Sampled: 12:20pm Batch time: 11 :28am Temperature - Air: 690F Concrete: 770F Truck No: 107 Ticket No: 14934 Air Content: NA Unit Weight (pet): NA Overall Placement location: Straight shaft piers at column lines 8.4/30, A.9/30, A.5/30, U27.a, L.1/27.8, L.2/27.8, L.3/27.8 Sample location: Pier at column lines U27.8 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 1 1 11/02/2007 7 6.00 28.27 101,270 3,580 Cone/Split 1 2 11/23/2007 28 6.00 28.27 158,420 5,600 Shear 1 3 11/23/2007 28 6.00 28.27 150,720 5,330 Cone/Split Average 5,470 1 4 12/21/2007 56 6.00 28.27 176,210 6,230 Shear Technician: Tommy Carver Rone Engineering See Report 303067 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. Scott Watson, AET 1-cc City of Coppell Attn: Mr. Lee Stone Project Manager 1-cc City of Coppell Attn: Mr. Larry Davis 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. (CH/KW) 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.: 303258 Project No.: 0712932 Date of Service: 10/27/2007 Report Date: 12/27/2007 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.): 3" - 5" Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 7753 Placement Date: 10/27/2007 Weather Conditions: Clear Time Sampled: 03:45am Temperature - Air: 430F Truck No: 140 Air Content: 6.3% Overall Placement Location: North fire lane from 10-17 Batch time: 03:40am Concrete: 680F Ticket No: 14973 Unit Weight (pet): NA Measured Slump (inches) 7.0 Sample Location: Grid line 40 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 11/03/2007 7 6.00 28.27 101,150 3,580 Cone/Split 1 2 11/24/2007 28 6.00 28.27 131,510 4,650 Cone/Split 1 3 11/24/2007 28 6.00 28.27 140,160 4,960 Cone/Split Average 4,800 1 4 12/22/2007 56 6.00 28.27 146,050 5,170 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. (CH/KW) Page 1 of 5 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.: 303258 Project No.: 0712932 Date of Service: 10/27/2007 Report Date: 12/27/2007 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.): 3" - 5" Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 7753 Placement Date: 10/27/2007 Weather Conditions: Clear Time Sampled: 04:45am Temperature - Air: 450F Truck No: 138 Air Content: 1.8% Overall Placement Location: North fire lane from 10-17 Batch time: 04:29am Concrete: 700F Ticket No: 14982 Unit Weight (pcf): NA Measured Slump (inches) 4.25 Sample Location: Grid line 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 2 1 11/03/2007 7 6.00 28.27 142,720 5,050 Cone/Split 2 2 11/24/2007 28 6.00 28.27 183,810 6,500 Shear 2 3 11/24/2007 28 6.00 28.27 176,300 6,240 Cone/Split Average 6,370 2 4 12/22/2007 56 6.00 28.27 189,210 6,690 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. (CH/KW) Page 2 of 5 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.: 303258 Project No.: 0712932 Date of Service: 10/27/2007 Report Date: 12/27/2007 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.): 3" - 5" Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 7753 Placement Date: 10/27/2007 Weather Conditions: Clear Time Sampled: 06:30am Temperature - Air: 480F Truck No: 140 Air Content: 3.4% Overall Placement Location: North fire lane from 10-17 Batch time: 05:52am Concrete: 740F Ticket No: 1499 Unit Weight (pet): NA Measured Slump (inches) 4.25 Sample Location: Grid line 11 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 11/03/2007 7 6.00 28.27 122,890 4,350 Cone/Split 3 2 11/24/2007 28 6.00 28.27 155,980 5,520 Cone/Split 3 3 11/24/2007 28 6.00 28.27 175,380 6,200 Cone/Split Average 5,860 3 4 12/22/2007 56 6.00 28.27 182,210 6,440 Shear L1MlTA 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. (CH/KW) Page 3 of 5 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.: 303258 Project No.: 0712932 Date of Service: 10/27/2007 Report Date: 12/27/2007 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.): 3" - 5" Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 7753 Placement Date: 10/27/2007 Weather Conditions: Clear Time Sampled: 09:30am Temperature - Air: 560F Truck No: 110 Air Content: 3.2% Overall Placement Location: North fire lane from 10-17 Batch time: 09:02am Concrete: 780F Ticket No: 1502 Unit Weight (pet): NA Measured Slump (inches) 4.5 Sample Location: Grid line 14 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 4 1 11/03/2007 7 6.00 28.27 118,180 4,180 Shear 4 2 11/24/2007 28 6.00 28.27 155,070 5,480 Cone/Split 4 3 11/24/2007 28 6.00 28.27 150,310 5,320 Cone/Split Average 5,400 4 4 12/22/2007 56 6.00 28.27 161,210 5,700 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. (CH/KW) Page 4 of 5 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.: 303258 Project No.: 0712932 Date of Service: 10/27/2007 Report Date: 12/27/2007 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.): 3" - 5" Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1 064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 7753 Placement Date: 10/27/2007 Weather Conditions: Clear Time Sampled: 11: 15am Temperature - Air: 660F Truck No: 138 Air Content: 2.4% Overall Placement Location: North fire lane from 10-17 Batch time: 10:54am Concrete: 810F Ticket No: 1503 Unit Weight (pet): NA Measured Slump (inches) 4.5 Sample Location: Grid line 16 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 11/03/2007 7 6.00 28.27 107,980 3,820 Cone/Split 5 2 11/24/2007 28 6.00 28.27 157,050 5,550 Cone/Shear 5 3 11/24/2007 28 6.00 28.27 143,640 5,080 Cone/Split Average 5,320 5 4 12/22/2007 56 6.00 28.27 163,450 5,780 Shear Started: 02:15am Finished: 03:00pm Technician: Eric Auger 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 AUn: Mr. Lee Stone 1-cc City of Coppell AUn: Mr. Larry Davis Rone Engineering V~~ 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. (CH/KW) Page 5 of 5 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.: 303271 Project No.: 0712932 Date of Service: 10/27/2007 Report Date: 12/27/2007 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.): 5" - 7" 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.: 7751 Placement Date: 10/27/2007 Weather Conditions: Sunny Time Sampled: 10:35am Temperature - Air: 740F Truck No: 130 Air Content: NA Overall Placement Location: Pier A/27.8 Batch time: .09:27am Concrete: 760F Ticket No: 15023 Unit Weight (pcf): NA Measured Slump (inches) 5.0 Sample Location: Pier A/27.8 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 11/03/2007 7 6.00 28.27 98,910 3,500 Shear 1 2 11/24/2007 28 6.00 28.27 140,720 4,980 Shear 1 3 11/24/2007 28 6.00 28.27 143,000 5,060 Cone/Split Average 5,020 1 4 12/22/2007 56 6.00 28.27 154,150 5,450 Shear Technician: Denny Harris Rone Engineering See Report 303270 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 tt W t AET . S . co a son, 1-cc CIty of Coppell Attn: Mr. Lee tone p . t M 1-cc City of Coppell Attn: Mr. Larry Davis rOJee 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 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: 12/27/2007 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-1 064 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: 64DF Concrete: 77DF 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 N1.5 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 1 4 12/24/2007 56 6.00 28.27 168,120 5,950 Shear Technician: Tommy Carver Rone Engineering See Report 303302 for technician time~~ Report Distribution: . . Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne . '. ...... .' ..' '.. . .. (1-ec copy) 1.cc p~tter Concrete Attn: Mr Ryan Skelly K. Scott Watson, AET 1-cc City of Coppell Attn: Mr. Lee Stone P o'eel Mana 1-cc City of Coppell Attn: Mr. Larry Davis r J ger ~ 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. (TMfKW) Page 1 of 1