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Duke Lesley 2A-LR071105 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.: 301133 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 9349 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 06:00am Temperature - Air: 770F Truck No: 133 Air Content: NA Overall Placement Location: Building slab, grid lines E-G/24-30 Batch time: 05:34am Concrete: 850F Ticket No: 14398 Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: Grid lines E.2/24.5 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in2) (Ibs) (psi) Type 1 1 10/12/2007 7 6.00 28.27 122,070 4,320 Cone/Split 1 2 11/02/2007 28 6.00 28.27 155,820 5,510 Cone/Split 1 3 11/02/2007 28 6.00 28.27 155.490 5,500 Cone/Split Average 5,510 1 4 11/30/2007 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. (TM/ED) Page 1 of 6 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.: 301133 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Req uirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 06:40am Temperature - Air: 770F Truck No: 133 Air Content: NA Overall Placement Location: Building slab, grid lines E-G/24-30 Batch time: 06:28am Concrete: 840F Ticket No: 14408 Unit Weight (pet): NA Measured Slump (inches) 4.25 Sample Location: Grid lines E.4/25.7 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (inZ) (Ibs) (psi) Type 2 1 10/12/2007 7 6.00 28.27 1 09,130 3,860 Cone/Split 2 2 11/02/2007 28 6.00 28.27 143,230 5,070 Cone/Shear 2 3 11/02/2007 28 6.00 28.27 147, 130 5,200 . Cone/Shear Average 5,130 2 4 11/30/2007 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. (TM/ED) Page 2 of 6 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.: 301133 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perfonm required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Req uirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 07:30am Temperature - Air: 800F Truck No: 133 Air Content: NA Overall Placement Location: Building slab, grid lines E-G/24-30 Batch time: 07:22am Concrete: 840F Ticket No: 14418 Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: Grid lines E.8/27 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) (in') (Ibs) (psi) Type 3 1 10/12/2007 7 6.00 28.27 103,910 3,680 Cone/Split 3 2 11/02/2007 28 6.00 28.27 136,900 4,840 Cone/Split 3 3 11/02/2007 28 6.00 28.27 130,480 4,610 Cone/Split Average 4,730 3 4 11/30/2007 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. (TM/ED) Page 3 of 6 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.: 301133 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 09:05am Temperature - Air: 810F Truck No: 106 Air Content: NA Overall Placement Location: Building slab, grid lines E-G/24-30 Batch time: 08:53am Concrete: 870F Ticket No: 14430 Unit Weight (pet): NA Measured Slump (inches) 3.75 Sample Location: Grid lines E.2128 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 4 1 10/12/2007 7 6.00 28.27 114,320 4,040 Cone/Split 4 2 11/02/2007 28 6.00 28.27 155,240 5,490 Cone/Split 4 3 11/02/2007 28 6.00 28.27 152,300 5,390 Cone/Split Average 5,440 4 4 11/30/2007 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. (TMIED) Page 4 of 6 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.: 301133 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 10:22am Temperature - Air: 830F Truck No: 143 Air Content: NA Overall Placement Location: Building slab, grid lines E-G/24-30 Batch time: Concrete: 870F Ticket No: 14443 Unit Weight (pet): NA Measured Slump (inches) 3.25 Sample Location: Grid lines E.9/29 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 10/12/2007 7 6.00 28.27 117,790 4,170 Cone/Split 5 2 11/02/2007 28 6.00 28.27 159,010 5,620 Cone/Split 5 3 11/02/2007 28 6.00 28.27 152,350 5,390 Cone/Split Average 5,510 5 4 11/30/2007 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. (TMIED) Page 5 of 6 Rone En2~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 301133 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 11 :30am Temperature - Air: 840F Truck No: 143 Air Content: NA Overall Placement Location: Building slab, grid lines E-G/24-30 Batch time: Concrete: 900F Ticket No: 14452 Unit Weight (pet): NA Measured Slump (inches) 4.0 Sample Location: Grid lines E.2/29.5 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 6 1 10/12/2007 7 6.00 28.27 117,890 4,170 Cone/Split 6 2 11/02/2007 28 6.00 28.27 147,450 5,210 Cone/Split 6 3 11/02/2007 28 6.00 28.27 148,000 5,230 Shear Average 5,220 6 4 11/30/2007 56 Started: 04:30am Finished: 12:30pm Technician: Brad Hickman 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 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. (TMIED) Page 6 of 6 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.: 301112 Project No.: 0712932 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. PROJECT DATA Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): NA Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 Batch time: 09:46am Concrete: 850F Ticket No: 14429 Unit Weight (pcf): NA Measured Slump (inches) 6.5 Mix Design 1.0.: 7751 PW Placement Date: 10/05/2007 Weather Conditions: Clear Time Sampled: 10:25am Temperature - Air: 830F Truck No: 101 Air Content: NA Overall Placement Location: Building piers C.B, C.2, B.2/1 A.B, A.5/0.9 U2.7, 2.2, 5.2, 1.6, 16.B, 1.2, 1 K.S, K.2, J,B, J.S/1 K.B, Sample Location: Pier C.B/1 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 1 1 10/12/2007 7 6.00 28.27 90,700 3,210 Cone/Split 1 2 10/12/2007 7 6.00 28.27 96,050 3,400 Cone/Split Average 3,300 1 3 11/02/2007 28 6.00 28.27 135,350 4,790 Cone/Shear 1 4 11/02/2007 28 6.00 28.27 128,900 4,560 Cone/Split Average 4,670 1 5 11/30/2007 56 Technician: Chris Harbour Rone Engineering See Report 301111 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 Pro'act Manager 1-cc City of Coppell Attn: Mr. Larry Davis J ~ LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for 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/ED) 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.: 300939 Project No.: 0712932 Date of Service: 10/04/2007 Report Date: 11/05/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. PROJECT DATA Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Req uirements Strength: 3,000 psi @ 28 days Slump (in.): NA Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 Mix Design 1.0.: 7751 PW Placement Date: 10/04/2007 Weather Conditions: Clear Time Sampled: 10:50am Temperature - Air: 850F Truck No: 120 Air Content: NA Overall Placement Location: Building piers G.211, U4.8, 4.2, 3.8, D.2, F.2, E.8, E.2, D.8, F.8/1 Measured Slump (inches) 7.25 Batch time: 09:42am Concrete: 870F Ticket No: 14377 Unit Weight (pet): NA Sample Location: Pier G.2/1 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 1 1 10/11/2007 7 6.00 28.27 93,980 3,320 Cone/Split 1 2 10/11/2007 7 6.00 28.27 92,230 3,260 Shear Average 3,290 1 3 11/01/2007 28 6.00 28.27 125,420 4,440 Cone/Split 1 4 11/01/2007 28 6.00 28.27 126,170 4,460 Cone/Split Average 4,450 1 5 11/29/2007 56 Technician: Chris Harbour Rone Engineering See Report 300938 for technician timep ~ 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 1-cc City of Coppell Altn: Mr. Lee Stone . p ~ t ~ son, 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, Ltd. (CHIED) Page 1 of 1 Rone En9.ineering .- 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: 11/05/2007 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 1.0.: 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 B.4/30, A.9/30, A.5/30, U27.8, 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) (inZ) (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 1 3 11/23/2007 28 1 4 12/21/2007 56 Technician: Tommy Carver Rone Engineering See Report 303067 for technician time~ ~ Report Distribution: . . ~. . Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byme .' .. (1-ec copy) - 1-cc Potter Concrete Attn: Mr. Ryan Skelly K Scott Watson AET 1-cc City of Coppell Attn: Mr. Lee Stone . p . ct M ' 1-cc City of Coppell Attn: Mr. Larry Davis roJe anager 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/JB) 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 11/05/2007 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: 03:36am Concrete: 800F Ticket No: 13600163 Unit Weight (pet): 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- 1st 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 1 3 11/23/2007 28 1 4 12/21/2007 56 LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/JB) Page 1 of 4 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 11/05/2007 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- 1st mix (380 yds) - panels 114, 110, 109, 122, 165, 162,98, 4,3,1 Sample Location: Panel 1 REPORT OF TESTS Cylinder Marked Date Set No. Tested 2 1 11/02/2007 2 2 11/23/2007 2 3 11/23/2007 2 4 12/21/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 160,170 Compressive Strength (psi) 5,660 Fracture Type Shear Area (in') 28.27 LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CHfJB) Page 2 of 4 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.: 303088 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 11/05/2007 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: 05:53am Concrete: 820F Ticket No: 13600182 Unit Weight (pet): 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: 520F 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 3 3 11/23/2007 28 3 4 12/21/2007 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. (CH/JB) Page 3 oU 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: 11/05/2007 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 - 1st 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) (inZ) (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 4 3 11/23/2007 28 4 4 12/21/2007 56 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 Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: 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/JB) 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: 11/05/2007 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 1.0.: 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 (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 113 REPORT OF TESTS Cylinder Marked Date Set No. Tested 1 1 11/02/2007 1 2 11/23/2007 1 3 11/23/2007 1 4 12/21/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Remarks: Water added at site: 10 gallons Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 118,770 Compressive Strength (psi) 4,200 Fracture Type Cone/Shear Area (in') 28.27 LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition. appearance. etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/JB) 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: 11/05/2007 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) 4.75 Mix Design I.D.: 9349PW Placement Date: 10/26/2007 Weather Conditions: Sunny, clear Time Sampled: 11 :35am Satch time: 11: 19am Temperature - Air: 650F Concrete: 860F Truck No: 120 Ticket No: 14933 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 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 2 3 11/23/2007 28 2 4 12/21/2007 56 Remarks: Water added at site: 5 gallons L1MrrA 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/JB) Page 2 of 4 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.: 303197 Project No.: 0712932 Date of Service: 10/26/2007 Report Date: 11/05/2007 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) (in') (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 3 3 11/23/2007 28 3 4 12/21/2007 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. (CH/JB) 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: 11/05/2007 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) 5.25 Mix Design 1.0.: 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 Technician: Montreal Bailey Rone Engineering See Report 303088 for technician time~~ Report Distribution: . Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byme .' .... (1-eccopy) - 1-cc p~tter Concrete Attn: Mr. Ryan Skelly K. Scott Watson AET 1-cc City of Coppell Attn: Mr. Lee Stone p . ct M ' 1-cc City of Coppell Attn: Mr. Larry Davis roJe anager Cylinder Marked Date Set No. Tested 4 1 11/02/2007 4 2 11/23/2007 4 3 11/23/2007 4 4 12/21/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Remarks: Water added at site: 10 gallons Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 113,070 Compressive Strength (psi) 4,000 Fracture Type Shear Area (in') 28.27 ~ LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearanoe, 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 reproduoed except in full without the written approval of Rone Engineering Servioes, Ltd. (CH/JB) Page 4 of 4 Rone En9.ineering .- 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.: 302970 Project No.: 0712932 Date of Service: 10/25/2007 Report Date: 11/05/2007 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: 10 - 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) 6.5 Mix Design I.D.: 7751 Placement Date: 10/25/2007 Weather Conditions: Clear, windy Time Sampled: 01 :25pm Batch time: 01 :05pm Temperature - Air: 640F Concrete: 580F Truck No: 120 Ticket No: 8150 Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Piers at column lines: E.2/30, 0.7/30, 0.2/30, C.7/30, C.2/30, U28.2, U28.7, U29.2, U29.7, U30, L.6/30, L.B/30, (continue) Sample Location: Pier at column line 0.2/30 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 1 1 11/01/2007 7 6.00 28.27 101,630 3,590 Cone/Split 1 2 11/22/2007 28 1 3 11/22/2007 28 1 4 12/20/2007 56 Technician: Tommy Carver Rone Engineering See Report 302969 for technician time~ ~ Report Distribution: ' ....dhf' 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 . ct M ' 1-cc City of Coppell Attn: Mr. Larry Davis rOJe anager Remarks: K.2/30, K.5/30, L.3/30, B.9/30 ~ LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition. appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/JB) Page 1 of 1