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Duke Lesley 1A-LR071105 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 Comp,ressive Strength Test Report No.: 301202 Project No.: 0713408 Date of Service: 10/05/2007 Report Date: 11/05/2007 Project: Point West VI 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: LMC Plant: 7 Specification Requirements Strength: 4,200 psi @ 28 days Slump (in.): 2" - 4" 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.: 1851 Placement Date: 10/05/2007 Weather Conditions: Sunny Time Sampled: 03:00pm Temperature - Air: 920F Truck No: 1045 Air Content: NA Overall Placement Location: Manhole, flat top, Station 24+19 Batch time: 02:43pm Concrete: 900F Ticket No: 7183223 Unit Weight (pet): NA Measured Slump (inches) 3.0 Sample Location: Station 24+19 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 1 1 10/12/2007 7 6.00 28.27 120,860 4,270 Cone/Shear 1 2 11/02/2007 28 6.00 28.27 143,130 5,060 Cone/Split 1 3 11/02/2007 28 6.00 28.27 146,130 5,170 Cone/Split Average 5,120 1 4 11/30/2007 56 Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Potter Concrete Attn: Mr. Ryan Skelly 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppell Attn: Mr. Lee Stone Rone Engineering s.. Report 301130 Io"eo"';o;" time, ~ K. Scott Watson, AET Project Manager Technician: Denny Harris ~ L1MITA nONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (1M/ED) Page 1 of 1 Rone En~~ 8908 Ambassador Row, Dallas, TX 75241 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 303611 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Straight Shaft Pier Inspection Report of Inspection D rille r: Auger Pier Identification D /19 D /20 D /21 D /22 C /14 PierDiameter(in) 24#117 2 4 /# 1 1 8 2 4 /# 1 1 9 2 4/# 1 2 0 2 4 /# 8 7 Depth of Pier From Surface (ft) 42.00 41.30 41.50 37.60 43.00 Deoth of Bearing Stratum Fro m S urfa ce (ft) 36.40 35.00 35.10 32.50 37.90 Reauired Penetration (ft) 5.00 5.00 5.00 5.00 5.00 A c tu a I Pen e tra ti 0 n (ft) * 5.60 6.30 6.40 5.10 5.10 Condition of Bottom (wet/drv) D rv D rv D rv Dry D rv Plumb Within Tolerance (ves /no) Yes Yes Yes Yes Yes CasinQ Diameter(in)/Casing Length (ft) 2 6/3 6 .5 2 6/3 5 2 6/3 5 26/32.5 27 Number of Bars / Reinforcing Bar Size 6 1#6 6 1#6 6 1#6 6 / #6 6 1#6 Lenath of Reinforcing Steel (ft) 40.00 39.00 39.50 36.00 41.00 Time Drilling was Comoleted (am 10m) 8:30 AM 9:00 AM 9 :20 A M 9 :4 5 A M 1 0 :2 5 AM Time Concrete was Placed (am Ipm) 9:20 AM 9 :4 0 A M 10:12AM 1 0 :4 0 AM 11:00AM Depth of Pier From Top of Concrete (ft) 41.50 40.80 41.00 37.10 42.50 Elevation: Surface (ft)** 99.50 99.50 99.50 99.50 99.50 Elevation:Top of Pier (ft)** 99.00 99.00 99.00 99.00 99.00 Elevation: Bottom of Pier (ft)** 57.50 58.20 58.00 61 .90 56.50 Elevation: Top of Bearing Stratum (ft.)** 63.10 64.50 64.40 67.00 61.60 Bearina Stratum (description) Gravshale Note:See report# 303612 forCompressive StrengthTestSpecimens. * Additional Penetration not requested unless noted. **Elevation by others LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CHfKW) Page 1 of 5 Rone En~~ 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 303611 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Straight Shaft Pier Inspection D rille r: Auoer Pie rid e ntifica lio n C /1 5 C /16 C /1 7 C /1 8 C /19 PierDiameterlin) 2 4 /# 8 6 2 4 /# 8 5 2 4 /# 8 4 2 4 /# 8 3 2 4 /# 8 2 Depth of Pier From Surface 1ft) 44.00 44.00 44.50 44.90 42.00 Depth ofBearino Stratum F ro m S u rfa c e (ft) 39.00 38.00 38.00 37.90 36.00 Reo u i re d Pen e tra li 0 n (ft) 5.00 5.00 5.00 5.00 5.00 A ctua I P e ne tra tio n (ft)" 5.00 6.00 6.50 7.00 6.00 Condition of Bottom (wet/drv) D rv D rv D rv D rv D rv Plumb Within Tolerance (ves /no) Yes Yes Yes Yes Yes Casino Diameter(in)/Casina Lenoth (ft) 2 6 /3 9 26 /3 7 2 6 /3 7 26/3 7 26/36.5 NumberofBars /Reinforcina BarSize 6 / #6 6 / #6 6 / #6 6 / #6 6 / #6 Lenoth of Reinforcino Steel 1ft) 43.00 42.50 43.50 43.90 40.00 Time Drillino was Completed lam tom) 10:55 AM 11 :20 AM 11:15AM 1 1 :35 AM 1 1 :35 AM Time Concrete was Placed lam tom) 11:30AM 11:55AM 12:15 PM 1 2 :4 5 P M 1 :20 P M Depth of Pier From Top of Concrete (ft) 43.50 43.50 44.00 44.40 41.50 Elevation: Surface 1m" 99.50 99.50 99.50 99.50 99.50 Elevation: Too of Pier 1m" 99.00 99.00 99.00 99.00 99.00 Elevation: Bottom ofPier(ft).. 55.50 55.50 55.00 54.60 57.50 Elevation: Top ofBearino Stratum 1ft.)" 60.50 61.50 61.50 61.60 63.50 Be a rino Stratum Id e scriolio n) Gravshale Not e: See re port # 303612 for Compressive Strength Test Specimens. . Additional Penetration not requested unless noted. HE levation by others LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CHfKW) Page 2 of 5 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 303611 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Straight Shaft Pier Inspection I D rille r: Auger Pie r Id e ntifica tio n C 120 C 121 C 122 B 114 B 115 PierDiameter(in) 24/#81 2 41# 8 0 24/#79 2 4/# 3 2 2 4/# 3 3 Depth of Pier From Surface (ft) 44.60 40.50 37.00 42.00 45.00 Depth ofBearinQ Stratum From S u rfa c e (ft) 38.00 34.50 31.70 36.00 39.00 Required Penetration (ft) 5.00 5.00 5.00 5.00 5.00 Actual Penetration (ft)* 6.60 6.00 5.30 6.00 6.00 Condition of Bottom (wet/dry) Dry Dry D rv D rv Dry Plumb Within Tolerance (ves / no) Yes Yes Yes Yes Yes CasinQ Diameter(in)/Casina Lenath (fO 2 6/3 5 2 6/3 5 26/32.5 2 613 6 2 6/3 9 N um ber of Bars / ReinforcinQ Bar Size 6 1#6 6 / #6 6/#6 6 / #6 6/#6 Length of Reinforcina Steel (ft) 43.60 39.50 36.00 41.00 44.00 Tim e D ri IIi n Q was Com 0 Ie te d (a m / 0 m) 11:56AM 12:05 PM 12:25 PM 1 :56 PM 2:25 PM Time Concrete was Placed (am 10m) 1 :35 PM 1 :45 PM 2 :00 PM 2:30 PM 3:15 PM Deoth of Pier From Top of Concrete (ft) 44.10 40.00 36.50 41.50 44.50 Elevation: Surface (ft)** 99.50 99.50 99.50 99.50 99.50 Elevation: Top of Pier (ft)** 99.00 99.00 99.00 99.00 99.00 Elevation: Bottom ofPier(ft)** 54.90 59.00 62.50 57.50 54.50 Elevation: Top of BearinQ Stratum (ft.)** 61.50 65.00 67.80 63.50 60.50 Bearing Stratum (descriotion) G ra y s h a Ie Note: See re port # 303612 for Com pressive Strength Test S pecim ens. * Additional Penetration not requested u n Ie s s note d . **E levation by others LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume rlO 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. (CHIKW) Page 3 of 5 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 303611 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Straight Shaft Pier Inspection D rille r: Auaer Pie rid e ntifica tio n B 116 B 117 B 118 B 119 B 120 PierDiameter(in) 2 4 1# 3 4 2 4/# 3 5 2 4 1# 3 6 2 4 1# 3 7 2 4 1# 3 8 Deoth of Pier From Surface (ft) 41.60 42.70 42.40 42.30 41.00 Depth of Bearing Stratum Fro m Surface(ft) 36.00 37.70 37.00 37.20 35.00 Required Penetration (ft) 5.00 5.00 5.00 5.00 5.00 Actual Penetration (ft). 5.60 5.00 5.40 5.10 6.00 Condition of Bolt om (wet/dry) Dry Dry Dry D rv Dry Plumb Within Tolerance (ves Ino) ves ves ves Ves Ves Casina Diameter(in)/Casing Length(ft) 26/37 2 6 13 7 26/37 26/36.5 26/35 Number of Bars I Reinforcina Bar Size 6 1#6 6 1#6 6 1#6 6 1#6 6 1#6 Length of Reinforcina Steel (ft) 43.00 41.70 40.50 40.50 40.00 Time Drilling was Comoleted (am Ipm) 3 :00 PM 3 :15 PM 3 :3 0 P M 3:36 PM 3 :5 0 PM Time Concrete was Placed (am Ipm) 3:45 PM 4:00PM 4:15 PM 4:30 PM 4 :4 5 P M DepthofPierFrom Top of Concrete (ft) 41 .1 0 42.20 41.90 41.80 40.50 E Ie va tio n: S urfa ce (ft).. 99.50 99.50 99.50 99.50 99.50 E Ie va tio n: To p of Pier (ft).. 99.00 99.00 99.00 99.00 99.00 Elevation: Bottom ofPier(ft).. 57.90 56.80 57.10 57.20 58.50 Elevation: Top of Bearina Stratum (ft.)" 63.50 61.80 62.50 62.30 64.50 Bearina Stratum (d escriptio n) Gravshale Note: See report It 303682 for Compressive Strength Test Specimens. . Additional Penetration not requested unless noted. UElevation by others LIMIT A nONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/KW) Page 4 of 5 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Drilled Pier Inspection Report No.: 303611 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Straight Shaft Pier Inspection D rille r: Auaer Pier Identification B /2 1 PierDiameter(in} 2 4 /# 3 9 D e 0 th 0 f Pie r Fro m S u rfa c e (ft) 40.00 Depth of Bear in a Stratum Fro m Surface(ft} 33.40 Reauired Penetration 1ft) 5.00 A ctua I P e ne tra tio n (ft)" 6.60 Condition of Bottom (wet/drv) o rv Plumb Within Tolerance (ves /no) Yes Casina Diameter(in)/Casina Lenath (ft) 26/32.5 NumberofBars /Reinforcing BarSize 6 / #6 LenClth of ReinforcinQ Steel (ft) 39.00 Time DrillinQ was Comoleted (am Ipm) 3 :4 7 P M Tim e Con c re te was P la c e d (a m / pm) 5:00 PM Deoth of Pier From Top of Concrete (ft) 39.50 Elevation: Surface (fl)" 99.50 Elevation: Top of Pie r (ft).. 99.00 Elevation: Botto m of Pier (ft).. 59.50 Elevation: Too of Bearina Stratum (ft.)" 66.10 BearinQ Stratum (descriotion) G ra V s h a Ie Not e: See re port # 303612 for Compressive Strength Test Specimens. . Additional Penetration not requested unless noted. "Elevation by others Technician: Denny Harris Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Alln: Mr. Emmit Coots (1-ec copy) 1-cc Pacheco Koch Consulting Engineers Alln: Mr. Jack Evans 1-cc City of Coppell Alln: Mr. Larry Davis 1-cc City of Coppell Alln: Mr. Lee Stone Started: 06:45am Finished: 06:00pm Rone Engineering p~ ~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/KW) Page 5 of 5 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.: 302905 Project No.: 0713408 Date of Service: 10/25/2007 Report Date: 11/05/2007 Project: Point West VI 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: 10 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 9341 Placement Date: 10/25/2007 Weather Conditions: Clear Time Sampled: 12:10pm Temperature - Air: 640F Truck No: 104 Air Content: NA Overall Placement Location: Piers (see report #302904) Batch time: 11:12am Concrete: 860F Ticket No: 8145 Unilt Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: Pier B/16 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Set No. Tested ( days) (in) (in') (Ibs) (psi) 1 1 11/01/2007 7 6.00 28.27 54,860 1,940 2 11/22/2007 28 3 11/22/2007 28 4 12/20/2007 56 Technician: Jimmy Hall Fracture Type Shear Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Potter Concrete Attn: Mr. Ryan Skelly 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppell Attn: Mr. Lee Stone Rone Engineering See Report 3029,. 10< _"~i" 'mep ~ K. Scott Watson, AET Project Manager ~ LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TM/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.: 303066 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 10 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9341 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 1 0:20am Temperature - Air: 630F Truck No: 101 Air Content: NA Overall Placement Location: See Pier Inspection sheet for 10/26/07 Sample Location: Piers 8/21, 8/22 REPORT OF TESTS Batch time: 09:46am Concrete: 860F Ticket No: 8226 Unit Weight (pct): NA Measured Slump (inches) 6.5 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 89,680 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 Area (inZ) 28.27 Compressive Strength (psi) 3,170 Fracture Type Cone/Shear Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Potter Concrete Attn: Mr. Ryan Skelly 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppell Attn: Mr. Lee Stone Rone Engineering See Report 303065 "" """';c;oo t'<rtep ~ K. Scott Watson, AET Project Manager Technician: Jimmy Hall ~ 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 En~== 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Pulverization/Gradation Testing Report No.: 303776 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Paint West VI Cappell, Texas Services: Pulverization/Gradation Testing Report of Tests Specifications: passing passing 1/2" sieve #4 sieve 100 % 60% A B C D E W e ig h t Percent W e ig h t Percent Sam pie Retained Passing Retained Passing Location W e ig h t 1 1/2" Sieve 1 1/2" Sieve #4 S ie v e #4 S ie v e 1 Building pad, grid lines A.5/41.5 11.6 0 1 00%. 4.1 64.6 % 2 Building pad, grid lin es C .5/41.5 1 1 .0 0 100% 4.0 63.6 % 3 Building pad, grid lin es E .5/41.5 1 1 .3 0 1 00% 4.1 63.7% 4 Building pad, grid lin es G .5/41.5 1 2.9 0 1 00% 4.2 67.4 % 5 Building pad, grid lines J.5/41.5 1 1 .5 0 1 00% 4.1 64.3 % Technician: Joe Jernigan Rone Engineering Report Distribution, ... Report 303775 "n."m""," time ~. . ~~~. . . Orig: Duke Construction, LP (Dallas, TX) . r~ Attn: Mr. Emmit Coots (1-ec copy) 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans K. Scott Watson, AET 1-cc City of Coppell Attn: Mr. Larry Davis Project Manager 1-cc City of Coppell Attn: Mr. Lee Stone ~ LIMIT A TlaNS: 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. (TMIJB) Page 1 of 1 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of In-Place Density Testing Report No.: 303604 Project No.: 0713408 Date of Service: 10/30/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Perform In-Place Density Testing PROJECT DATA Contractor: Duke Construction, LP Test Method: ASTM D-6938 Gauge: Troxler 3430 Gauge Serial No: 35518 Test Mode: DT Standard Counts Moisture Density Current: 741 Current: 2552 Previous: 746 Previous: 2537 MOISTURE DENSITY RELATIONS MID No. 299552 Description Lime Treated Brown & Tan 1 Sandy Clay Moisture % Maximum Density (pet) 85.7 Project Requirements Moisture Density Optimum +4 95 min 30.3 FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (%max) Subgrade Building pad, grid line A.5/38 6" 299552 31.5 110.7 84.2 98 Subgrade 2 Building pad, grid line C.5/38 6" 299552 31.7 111.7 84.8 99 Subgrade 3 Building pad, grid line E.5/38 6" 299552 33.7 111.6 83.5 97 Subgrade 4 Building pad, grid line G.5/38 6" 299552 33.5 110.9 83.1 97 Subgrade 5 Building pad, grid line J.5/38 6" 299552 30.4 111.9 85.8 100 Technician: Joe Jemigan Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppell Attn: Mr. Lee Stone Started: 11 :OOam Finished: 12:45pm Rone Engineering p~~ K. Scott Watson, AET Project Manager L1MrTA 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 1 of 1 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of In-Place Density Testing Report No.: 303775 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Perform In-Place Density Testing PROJECT DATA Contractor: Duke Construction, LP Test Method: ASTM D-6938 Gauge: Troxler 3430 Gauge Serial No: 35518 Test Mode: DT Standard Counts Moisture Density Current: 744 Current: 2563 Previous: 741 Previous: 2552 MOISTURE DENSITY RELATIONS MID No. 272998 Description Brown I Silty Clay wi Organics Moisture % Maximum Density (pet) 96.5 Project Requirements Moisture Density Optimum +4 95 min 22.5 Test Location FIELD DENSITY TESTS Probe MID Depth No. Moisture Wet Density Dry Density Density % (pet) (pet) (% max) Test No Utility backfill 50' from south end of sanitary sewer line, 4' 6" 272998 24.9 116.8 93.5 97 below grade Utility backfill 2 50' from south end of sanitary sewer line, 2' 6" 272998 23.9 116.6 94.1 98 below grade Utility backfill 3 50' from south end of sanitary sewer line, final 6" 272998 23.7 116.3 94.0 97 Technician: Joe Jernigan Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppell Attn: Mr. Lee Stone Started: 01 :30pm Finished: 04:00pm Rone Engineering p~ ~ K. Scott Watson, AET Project Manager L1MITA nONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/JB) Page 1 of 1 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, 8te 600, Houston, TX 77040 4421 Freidrich, 8te 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 Report of Reinforcing Steel Inspection Report No.: 303753 Project No.: 0713408 Date of Service: 10/31/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Reinforcing Steel Inspection Report of Inspection Locations and Items Inspected: Building 6, slab on grade, column lines E-G/2-12. Item s Inspected: Conforming Non Item s Inspected: Conforming Non Item sins pected: Conforming Non Conforming Co nfo rm ing Conforming Placing Drawings 8 ar Length Column Ties Pro perly Appro ved x and Shape x Tied and Spaced NA 8 ar Size x Pro per Bar P laeem ent x Stirrup Spacing NA 8 ar Grade x Pro perly Tied x Stirrup Type NA 8 ars Clean x Dowel 8 ars in Place x Lapped Splices x Form Clean x Pro per 8 ar Suppa rts x Co mer 8 ars NA Numberof 8ars x Proper Cover x Mechanical Splices NA Discrepancies / Comments: 1. Reinforcement chairing is scheduled to be placed during concrete placement. No other apparent discrepancies were noted at the locations listed above, Technician: Clayton Snyder Started: 01 :30pm Report Distribution: Orig: Duke Construction, LP (Dallas. TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppel! Attn: Mr. Lee Stone ~ K, Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services. Ltd. (TM/JB) Page 1 of 1 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.: 303087 Project No.: 0713408 Date ot Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 03: 1 Oam Temperature - Air: 450F Truck No: 127 Air Content: 1.2% Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 650F Ticket No: Unit Weight (pct): NA Measured Slump (inches) 2.75 Sample Location: Grid line A.5-11.8 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 28.27 141 ,940 5,020 Cone/Split 1 2 11/23/2007 28 1 3 11/23/2007 28 4 12/21/2007 56 Remarks: Notified Mr. Dick of test results 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 10 Rone En~~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 04:11am Temperature - Air: 400F Truck No: 143 Air Content: 1.1 % Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 660F Ticket No: Unit Weight (pet): NA Measured Slump (inches) 5.25 Sample Location: Grid line B.9-11.1 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) 114,330 Compressive Strength (psi) 4,040 Fracture Type Shear Area (in') 28.27 LIMIT A nONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services. Ltd. (CH/JB) Page 2 of 10 Rone En2~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, 8te 600, Houston, TX 77040 4421 Freidrich, 8te 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 05:20am Temperature - Air: 400F Truck No: 133 Air Content: 1.1 % Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 580F Ticket No: Unit Weight (pct): NA Measured Slump (inches) 5.25 Sample Location: Grid line A.9-10.4 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 3 1 11/02/2007 7 6.00 28.27 105,420 3,730 Cone/Split 3 2 11/23/2007 28 3 3 11/23/2007 28 3 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 3 of 10 Rone En2~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 06:25am Temperature - Air: 400F Truck No: 118 Air Content: 1.0% Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 600F Ticket No: Unit Weight (pet): NA Measured Slump (inches) 5.75 Sample Location: Grid line B.1-9.2 REPORT OF TESTS 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 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 113,320 Compressive Strength (psi) 4,010 Fracture Type Cone/Split Area (in') 28.27 LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, ltd. (CH/JB) Page 4 of 10 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.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 07:40am Temperature - Air: 420F Truck No: 136 Air Content: 1.1 % Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 670F Ticket No: Unit Weight (pet): NA Measured Slump (inches) 5.75 Sample Location: Grid line A.9-B.6 REPORT OF TESTS Cylinder Marked Date Set No. Tested 5 1 11/02/2007 5 2 11/23/2007 5 3 11/23/2007 5 4 12/21/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 100,730 Compressive Strength (psi) 3,560 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. (CH/JB) Page 5 of 10 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, 8te 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 09:00am Temperature - Air: 560F Truck No: 133 Air Content: 1.1 % Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 680F Ticket No: Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: Grid line B.2-6.9 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 6 1 11/02/2007 7 6.00 28.27 109,330 3,870 Cone/Split 6 2 11/23/2007 28 6 3 11/23/2007 28 6 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 6 of 10 Rone En2== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, 8te 600, Houston, TX 77040 4421 Freidrich,8te 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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 Req uirements Strength: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 10:00am Temperature - Air: 580F Truck No: 118 Air Content: 1.2% Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 700F Ticket No: Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: Grid line B.9-5.7 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in") (Ibs) (psi) Type 7 1 11/02/2007 7 6.00 28.27 109,370 3,870 Cone/Split 7 2 11/23/2007 28 7 3 11/23/2007 28 7 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 7 of 10 Rone En~~ Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 12:07pm Temperature - Air: 700F Truck No: 136 Air Content: 1.1 % Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 750F Ticket No: Unit Weight (pcf): NA Measured Slump (inches) 4.5 Sample Location: Grid line A.9-4.5 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 8 1 11/02/2007 7 6.00 28.27 117,980 4,170 Cone/Split 8 2 11/23/2007 28 8 3 11/23/2007 28 8 4 12/21/2007 56 Remarks: Notified onsite crew leader of test results 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 8 of 10 Rone Engineering . 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 f Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI Coppell, Texas Services: Obtain samples of fresh concret samples back to the laboratory r c Contractor: Duke Construe' Concrete Supplier: Potter Concrete Plant: On site 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 Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 01 :OOpm Temperature - Air: 740F Truck No: 127 Air Content: 1.0% Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 760F Ticket No: Unit Weight (pet): NA Measured Slump (inches) 5.5 Sample Location: Grid line B.9-5.7 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 9 1 11/02/2007 7 6.00 28.27 105,090 3,720 Cone/Split 9 2 11/23/2007 28 9 3 11/23/2007 28 9 4 12/21/2007 56 Remarks: Notified onsite crew leader of test results 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 9 of 10 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 303087 Project No.: 0713408 Date of Service: 10/26/2007 Report Date: 11/05/2007 Project: Point West VI 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: 4,000 psi @ 28 days Slump (in.): 4" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 9349 Placement Date: 10/26/2007 Weather Conditions: Clear Time Sampled: 02:07pm Temperature - Air: 730F Truck No: 136 Air Content: 1.2% Overall Placement Location: Building slab - grid line A.1 to C, 2 to 12 Batch time: Concrete: 750F Ticket No: Unit Weight (pct): NA Measured Slump (inches) 5.75 Sample Location: Grid line A.9-2.3 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 10 1 11/02/2007 7 6.00 28.27 133,910 4,740 Cone/Split 10 2 11/23/2007 28 10 3 11/23/2007 28 10 4 12/21/2007 56 Technician: Javier Martinez Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Emmit Coots (1-ec copy) 1-cc Potter Concrete Attn: Mr. Ryan Skelly 1-cc Pacheco Koch Consulting Engineers Attn: Mr. Jack Evans 1-cc City of Coppell Attn: Mr. Larry Davis 1-cc City of Coppell Attn: Mr. Lee Stone Started: 02:00am Finished: 03:00pm Rone Engineering P-~ ~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (CH/JB) Page 10 of 10