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Duke Lesley 3C-LR070830 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.: 295656 Project No.: 0711530 Date of Service: 08/15/2007 Report Date: 08/30/2007 Project: Point West Office I 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 Ltd. Plant: 01 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 7751 PW Placement Date: 08/15/2007 Weather Conditions: NA Time Sampled: 03:34pm Temperature - Air: Truck No: 13E Air Content: NA Overall Placement Location: Piers (see pier report #295655) Measured Slump (inches) Batch time: 03: 18pm Concrete: Ticket No: 13078 Unit Weight (pcf): NA Sample Location: Pier JIB 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 08/22/2007 7 6.00 28.27 75,480 2,670 Unbonded Cap 2 09/12/2007 28 3 09/12/2007 28 4 10/10/2007 56 Technician: Gerry Graham Rone Engineering See Report 295655 for technician time~~ Report Distribution: Ori"~: ~:p~;truct;O". LP (0,,,",. TX) Att" Me. P,"' Byme .d' . _:=-- , 1-cc Potter Concrete Attn: Mr. Ryan Skelly K. Scott Watson, AET 1-cc City of Coppell Attn: Mr. Lee Stone p . t M .' roJec anager 1-cc City of Coppell Attn: Mr. Larry DaVIS ~ LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (KW/KW) 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 Drilled Pier Inspection Report No.: 295655 Project No.: 0711530 Date of Service: 08/15/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection Report of Inspection D rille r: M cK innev D rillinCl Pie r Id e n ti fi c a ti 0 n G 13 J/3 G 14 J 14 I G 15 PierDiameter(in) 24 24 24 24 24 Depth of Pier From Surface (ft) 52.00 54.50 52.50 51 .80 52.00 Depth ofBearinCl Stratum Fro m Surface(ft) 41.60 43.80 42.20 41 .50 41.50 Required Penetration (ft) 1 0.00 1 0.00 10.00 1 0.00 10.00 A ctua I P e ne tra tio n (ft)" 10.40 1 0.70 10.30 10.30 10.50 Condition of Bottom (wet/dry) Dry Dry Dry Dry Dry Plumb Within Tolerance (ves Ino) Yes Yes Yes Yes Yes C asina Diameter (in) I C asinCl Lenath (ft) 26 I 41 .6 26/43.8 26/42.2 26/41.5 26/41.5 NumberofBars IReinforcing BarSize 6 1#6 6 1#6 6 1#6 6 1#6 6 1#6 Length of Reinforcina Steel (ft) 50.00 52.50 50.50 49.80 39.50 Time Drillina was Completed (am Ipm) 8 :2 2 AM 8:58 AM 9:16 AM 9 :46 AM 11:42AM Time Concrete was Placed (am Ipm) 11:14AM 11:58AM 1 :01 PM 1 : 1 1 PM 1 :43 P M Depth of Pier From Top of Concrete (ft) 50.50 53.00 51 .00 50.30 50.50 Elevation: Surface (ft)"" 99.50 99.50 99.50 99.50 99.50 Elevation: Top of Pier (ft).. 98.00 98.00 98.00 98.00 98.00 Elevation: Bottom of Pier (ft).. 47.50 45.00 47.00 47.70 47.50 Elevation: Top of Bearina Stratum (ft.)" " 57.90 55.70 57.30 58.00 58.00 BearinCl Stratum (d e s criptio n) GravShale Note:See report# 295656 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. (TMIKW) Page 1 of 2 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.: 295655 Project No.: 0711530 Date of Service: 08/15/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection D rille r: McKinney Drilling Pier Identification J/5 J/6 J/7 J/8 J/9 PierDiameter(in\ 24 24 24 24 24 DepthofPierFrom Surface(ft) 49.00 48.00 48.60 48.60 47.00 Depth of Bear in a Stratum Fro m Surface(ft) 38.60 37.50 38.40 38.40 36.20 Required Penetration (ft) 1 0.00 10.00 10.00 10.00 1 0.00 Actual Penetration (ft)* 1 0.40 10.50 1 0.20 10.20 10.80 Condition of Bottom (wet/drv\ D rv D rv D rv D rv D rv Plumb Within Tolerance (ves Ino) Yes Yes Yes Yes Yes Casinq Diameter(in\/Casina Lenqth (ft) 26/38.6 26/37.5 26 138.4 26/38.4 26 136.2 NumberofBars IReinforcina BarSize 6 1#6 6 1 #6 6 1 #6 6 1#6 6 1 #6 Lenqth of Reinforcina Steel (ft) 47.00 46.00 46.60 46.60 45.00 Tim e D ri IIi n a was Com 0 Ie te d (a m I pm \ 12:16 PM 1 :01 PM 1:40PM 2 :52 P M 3:17 PM Tim e Con c re te was P la c e d (a miD m ) 2 :00 P M 2:24PM 2:35 PM 3 :34 P M 4:08 PM Depth of Pier From Too of Concrete (ft) 47.50 46.50 47.10 47.10 44.50 Elevation: Surface (ft).. 99.50 99.50 99.50 99.50 99.50 Elevation: Too of Pier (ft)" 9 8.00 98.00 98.00 98.00 97.00 Elevation: Bottom of Pier (ft)** 50.50 51 .50 50.90 50.90 52.50 Elevation: Too of Bear in a Stratum (ft.)" 6 0.90 62.00 61 .10 61 .1 0 63.30 Bearina Stratum (descriotion) G ra v S h a Ie Note: See re port # 295656 for Com pressive Strength Test S pecim ens. * Additional Penetration not requested unless noted. HE levation by others Technician: Gerry Graham Started: 05:45am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Finished: 05:45pm Rone Engineering p~ ~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TM/KW) Page 2 of 2 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.: 295522 Project No.: 0711530 Date of Service: 08/14/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection Report of Inspection D rille r: M cK innev D rillinQ Pier Identification C 10 1 C 11 .4 C 12 C 12.5 G 102 Pier Diameter (in) 24 24 24 24 24 Depth of Pier From Surface (ft) 46.50 46.70 50.40 50.80 55.00 D e p th 0 f Be a ri n aStra tu m Fro m S u rfa ce (ft) 38.00 38.10 36.00 40.10 36.10 R e quire d P e netratio n (ft) 8.00 8.00 14.00 10.00 1 8.00 Actual Penetration (ft). 8.50 8.60 14.40 10.70 1 8.90 Condition of Bottom (wet/dry) D rv Dry Dry Dry Dry Plumb Within Tolerance (ves Ino) Yes Yes Yes Yes Yes CasinQ Diameter(in)/CasinQ Lenqth (ft) 26/38 26/38.1 26 136.0 26/40.1 26/36.1 NumberofBars IReinforcing BarSize 6 1#6 6 1#6 6 1#6 6 1#6 6 1#6 Lenath of Reinforcina Steel (ft) 4391 44.01 48.00 48.50 52.80 Time Drillina was Completed (am Ipm) 8 :31 AM 8:55 AM 9;18am 9:37 AM 11:51 AM Time Concrete was Placed (am Ipm) 9:27 AM 10:00 AM 10;53am 11:40AM 12:32 PM D e p th 0 f Pie r Fro m Top 0 f Con c re te (ft) 44.50 44.70 48.90 49.30 53.50 Elevation. Surface (to" 99.50 99.50 99.50 99.50 99.50 Elevation: Top of Pier (ft).. 97.50 97.50 98.00 98.00 98.00 Elevation: Bottom of Pier (ft).. 53.00 52.80 49.10 48.70 44.50 Elevation: Top of Bear in a Stratum (ft.)" 61 .50 61.40 63.50 59.40 63.40 BearinQ Stratum (description) G ra V S h a Ie Note:See report# 295523 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. (TM/KW) Page 1 of 3 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.: 295522 Project No.: 0711530 Date of Service: 08/14/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection D rille r: M cK inney Drilling Pier Identification J /0 2 P /1 .4 P /02 P /2.5 P /3 PierDiameterlin) 24 24 24 24 24 Deoth of Pier From Surface 1ft) 52.20 46.50 50.20 48.00 46.60 Deoth of Bear in a Stratum Fro m Surface 1ft) 35.60 38.30 35.80 37.20 36.40 Reauired Penetration (ft) 16.00 8.00 14.00 10.00 10.00 Actual Penetration (ft)' 16.60 8.20 14.40 10.80 10.20 Condition of Bottom Iwet / dry) D rv Dry D rv D rv Dry Plumb Within Tolerance Ives /no) Yes Yes Yes Yes Yes Casina Diameter(in)/Casina Lenath (ft) 26/35.6 26/38.3 26 / 35.8 26 / 37.2 26/36.4 NumberofBars /Reinforcina BarSize 6 / # 6 6 / #6 6 / #6 6 / # 6 6 / #6 Lenath of Reinforcina Steel (ft) 51 .30 45.50 48.30 46.00 44.50 Tim e D ri IIi n a was Com n Ie te d (a m / 0 m ) 12 :22 PM 12:58 PM 1 :10 PM 1 :29 P M 2 :58 PM Tim e Con c re te was P la c e d I am/om) 1 :14 PM 2:04 PM 3 :39 PM 3 :5 8 P M 4:12 PM Deoth of Pier From Too of Concrete (ft) 51 .70 44.50 48.70 46.50 45.10 Elevation: Surface (ft).. 99.50 99.50 99.50 99.50 99.50 E Ie va ti 0 n: Too 0 f Pie r 1ft).. 99.00 9750 98.00 98.00 98.00 Elevation: Bottom of Pier 1ft).. 47.30 53.00 49.30 51 .50 52.90 Elevation: Too of Bear in a Stratum (ft.)" 63.90 61.20 63.70 62.30 63.10 Bearina Stratum Idescriotion) Grav Shale Note: See report # 295523 for Com pressive Strength Test Specimens. 'Additional Penetration not requested unless noted. "E 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. (TM/KW) Page 2 of 3 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.: 295522 Project No.: 0711530 Date of Service: 08/14/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection D rille r: M cK inne y Drilling Pie rid e ntifica tio n P /3.5 P /4 P /4.5 P /5 P /5.5 Pier Diameter (in) 24 24 24 24 24 Depth of Pier From Surface (ft) 47.50 47.50 47.70 46.70 46.50 D e p th 0 f B e a ri n g S tra tu m Fro m S urfa ce (ft) 37.1 0 37.00 36.00 36.40 36.00 R e qui re d P e ne tra tio n (ft) 1 0.00 10.00 10.00 1 0.00 10.00 A ctua I P e ne tra tio n (ft)' 1 0.40 10.50 1 1 .70 1 0.30 1 0.50 Condition of Bottom (wet/dry) Dry Dry Dry Dry Dry Plumb Within Tolerance (yes /no) Yes Yes Yes Yes Yes Casing D i a mete r (i n) / Cas in g Len g th (ft) 26/37 .1 26 /37 26 26 26 NumberofBars /Reinforcing BarSize 6 / # 6 6 / #6 6 / # 6 6 / # 6 6 / #6 Length of Reinforcing Steel (ft) 45.50 44.40 46.00 44.80 44.50 Time Drilling was Completed (am / pm) 3 :1 2 PM 3 :46 P M 5 :05 PM 5 :20 P M 6 :0 9 PM Time Concrete was Placed (am /pm) 4 :3 5 PM 5 :31 PM 5:48 PM 6 :3 2 P M 6 :49 P M De p th 0 f P ie r Fro m Top 0 f Con c re te (ft) 46.00 46.00 46.20 45.20 45.00 Elevation: Surface (ft).. 99.50 99.50 99.50 99.50 99.50 Elevation: Top of Pier (ft).. 98.00 98.00 98.00 98.00 98.00 Elevation: Botto m of Pier (ft).. 52.00 52.00 51 .80 52.80 53.00 Elevation: Top 0 f Be a ri n g S tra tu m (ft.) .. 62.40 62.50 63.50 63.1 0 63.50 Bearing Stratum (d e s c ri p ti 0 n) G ra y S h a Ie Note' See re port # 295523 for Com pressive Strength Test S pecim ens. 'Additional Penetration not requested unless noted. HE levation by others Technician: Gerry Graham Started: 05:45am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Alln: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell Alln: Mr. Lee Stone 1-cc City of Coppell Alln: Mr. Larry Davis Finished: 07:30pm Rone Engineering ~~~ 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, LId (TM/KW) Page 3 of 3 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.: 295390 Project No.: 0711530 Date of Service: 08/13/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection Report of Inspection D rille r: McKinney Drillinq Pier Identification P 10 1 LlO 1 K 101 G .9/0 1 E .7/01 Pier Diameter (in) 24 24 24 24 24 Depth of Pier From Surface (ft) 50.00 4750 46.30 47.50 49.20 Depth of Bear in a Stratum Fro m S u rfa c e (ft) 40.80 36.20 36.00 36.80 39.00 Required Penetration (ft) 8.00 10.00 10.00 10.00 10.00 Actual Penetration (ft)' 9.20 1 1 .30 10.30 10.70 10.20 Condition of Bottom (wet/dry) Dry Dry Dry Dry Dry P I u m b Wit hi n Tole ran c e (yes I no) Yes Yes Yes Yes Yes Casinq Diameter(in)/Casinq Lenqth (ft) 26/40.8 26 I 36.2 26/36.0 26/36.8 26/39. NumberofBars IReinforcing BarSize 6 1#6 6 1#6 6 1#6 6 1#6 6 1#6 Length ofReinforcina Steel (ft) 47.40 44.80 43.90 45.50 47.10 Time Drillina was Completed (am Ipm) 9 :0 1 AM 9:17 AM 9 :56 AM 11:12AM 12:32 PM Time Concrete was Placed (am Ipm) 11:10AM 9:17 AM 9 :56 AM 11:12AM 12:32 PM Depth of Pier From Top of Concrete ( ft) 47.80 46.00 44.80 46.00 47.70 E leva tio n: Surface (ft).. 99.50 99.50 99.50 99.50 99.50 Elevation: To p of Pie r (ft).. 97.30 98.00 98.00 98.00 98.00 Elevation: Bottom of Pier (ft).. 49.50 52.00 53.20 52.00 50.30 Elevation: Top of Bear in a Stratum (ft.)' , 58.70 63.30 63.50 62.70 60.50 Bearinq Stratum (description) G rav Shale Note:See report# 295391 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. (TM/KW) Page 1 of 2 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.: 295390 Project No.: 0711530 Date of Service: 08/13/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Straight Shaft Pier Inspection D rille r: M cK inne y Drilling Pier Identification D .8/01 PierDiameter(in) 24 D eo th 0 f P ie r Fro m Surface(ft) 50.00 Deoth ofBearino Stratum Fro m S u rfa c e (ft) 39.30 Reauired Penetration (ft) 10.00 A ctua I P e ne tra lio n (ft)' 10.70 Condition of Bottom (wet/dry) Dry Plumb Within Tolerance (yes Ino) Yes Casino Diameter(in)/Casino Lenoth (ft) 26/39.3 NumberofBars IReinforcino BarSize 6 1#6 Lenath of Reinforcina Steel (ft) 47.00 Time Drillina was Comoleted (am 10m) 1 :07 PM Time Concrete was Placed (am 10m) 6 :20 PM D eo th 0 f P ie r Fro m Too 0 f Con c re te (ft) 48.00 E Ie va ti 0 n: S urfa ce (ft)" 9 9.50 Elevation: Too of Pier (ft)** 97.50 Elevation: Botto m of P ie r (ft)** 49.50 Elevation: Too of Bear in a Stratum (ft.)** 60.20 Bearina Stratum (descriotion) G ra v S h a Ie N ole See report # 295391 fo reo m pre s s ive S t re n 9 t h T est S pee i men s . * Additional Penetration not requested unless noted .*E levation by others Technician: Gerry Graham Started: 05:45am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell AUn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Finished: 07:00pm Rone Engineering p~~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TM/KW) Page 2 of 2 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.: 295523 Project No.: 0711530 Date of Service: 08/14/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: On site Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 7751 PW Placement Date: 08/14/2007 Weather Conditions: Warm, clear Time Sampled: 09:09am Batch time: 08:45am Temperature - Air: 880F Concrete: 920F Truck No: 110 Ticket No: NA Air Content: NA Unit Weight (pcf): NA Overall Placement Location: Exterior foundation cased piers (see report #295522) Measured Slump (inches) 5.75 Sample Location: Pier C/01 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 93,040 Cylinder Marked Date Set No. Tested 1 1 08/21/2007 1 2 09/11/2007 1 3 09/11/2007 1 4 10/09/2007 Age (days) 7 Diameter (in) 6.00 28 28 56 Remarks: Water added at site: 25 gallons Technician: Gerry Graham 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 Area (in2) 28.27 Compressive Strength (psi) 3,290 Fracture Type Unbonded Cap Rone Engineering p~.~ K. Scott Watson, AET Project Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineering Services, Ltd. (TM/KW) Page 1 of 1 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 Water Injection Inspection Report No.: 296900 Project No.: 0711530 Date of Service: 08/27/2007 Report Date: 08/30/2007 Project: Point West Office I Services: Water Injection Observation Report of Inspection Description I Explanation 1. Specific gravity of lime was checked and found to be between 1.14 and 1.17 2. Lime slurry was continuously agitated 3. Surfactant was added to each load 4. The injection pressure was kept between 50 to 100 psi at point of injection 5. Intervals of 12" were achieved during injection process until refusal 6. Total depth of injection - 12' 7. Max. spacing of injection probes was recorded to be 5' 8. Free water on surface 9. Square feet injected on this date 10. Location of injection NA NA ---,-- Yes Yes Yes Yes Yes IiiOO 144,000 Remarks: See attached for sketch of injected area, pass number for each area, and dimension of injection area. Technician: Doug Mathies Started: 06:45am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Finished: 05:15pm Rone Engineering P-dd- ~ 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/LB) Page 1 of 1 i I I i i I i I ~ I i \}I I I I I i I ! I I , i - 1 I , I I i ! i i i i I I I i i i - i i ! i I I I I i I I I I I I ! i I I i " z.'.(~ "'. j,J;J~ JJ, ,},,-L,..b J, ~"" i-~~ Jt.Jt.i ~lli ~t:t tf~ 'i ~t ~i ttJ- ~ J- 1)., J, u.-J, V .1, 4-J- Jt f llt ~ J ~ -J, .J/ { & ~ ~ * 11. \II \.it "\1,1 ~ J/w \it .v /l\ ,.,.. Ai' /f fT' 'J" I'fo /II 1\ ;: /fIJ~~ t7'111\11 J /JI /f' -1- ~ .-1 /I' 1 l' /f\ -1' -1' - .,. .1f\ -11 -1' l' ~ '1'- /fI /f' J 11 '1- r '71 l' -1' 11\ l' 1if1-~ 11';:~ If. l' /ft 11 ;' l' 11 l' /]I l' 1 1'1 1 l' ~ \i\ '-'1 <J) -..::::: '" ~ '^ 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 Com pressive Strength Test Report No.: 295798 Project No.: 0711530 Date of Service: 08/16/2007 Report Date: 08/30/2007 Project: Point West Office I 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: Redi-Mix Plant: 136 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.: 830J1521 Placement Date: 08/16/2007 Weather Conditions: Clear Time Sampled: 11 :32am Temperature - Air: 930F Truck No: 1039 Air Content: NA Overall Placement Location: Piers (see report #295797) Batch time: 10:50am Concrete: 950F Ticket No: 13694307 Unit Weight (pcf): NA Measured Slump (inches) 5.75 Sample Location: Pier P/5.5 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 1 1 08/23/2007 7 6.00 28.27 92,550 3,270 Unbonded Cap 1 2 09/13/2007 28 1 3 09/13/2007 28 1 4 10/11/2007 56 Remarks: Water added at site: 10 gallons Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Alln: Mr. Brian Pierce (1-cc copy) 1-cc City of Coppell Alln: Mr. Lee Stone 1-cc City of Coppell Alln: Mr. Larry Davis Rone Engineering SOOReport295797focteoho",oo"mep ~ ~ K. Scott Watson, AET Project Manager Technician: Gerry Graham 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. (LB/LB) Page 1 of 1