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Duke Lesley 2A-LR070817 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.: 294618 Project No.: 0712932 Date of Service: 08/06/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing PROJECT DATA Contractor: Duke Construction, LP Test Method: ASTM 0-6938 Gauge: Troxler 3430 Gauge Serial No: 35518 Test Mode: DT Standard Counts Moisture Density Current: 734 Current: 2514 Previous: 738 Previous: 2527 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 FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (%max) - Utility backfill 1 Storm drain SO-2, Station 8+30 6" 272998 23.1 116.3 94.5 98 Utility backfill 2 Storm drain SO-2, Station 12+30 6" 272998 24.5 116.8 93.8 97 Utility backfill 3 Storm drain SO-2, Station 14+00 6" 272998 24.7 116.0 93.0 96 Technician: Joe Jernigan Rone Engineering See Report 294617 for technician time~~ Report Distribution: . . 0""0 D"ke C,",truoUoo. LP (D.,,",. TX) Att" Me p", Byrne , . . - - u - (1-ec copy) . . 1-cc City of Coppell Attn: Mr. Lee Stone K. Scott Watson AET 1-cc City of Coppell Attn: Mr. Larry Davis 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. (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 Pulverization/Gradation Testing Report No.: 295766 Project No.: 0712932 Date of Service: 08/15/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Cappell, Texas Services: Pulverization/Gradation Testing Report of Tests S p e c ific a tio n s : passing passing 1/2" sieve #4 sieve 1 00% 60% A B C D E We ig h t Percent W e ig h t Percent 5 amp Ie Retained Passing Retained Passing Location W e ig h t 1 1 /2 " S ie v e 1 1 /2 " S ie v e #4 S ie v e #4 S ie v e 1 Building pad, grid I in e s A .5/11 1 0 .4 0 100% 3.9 62.5 % 2 Building pad, grid lin e s B .5/11 1 0 .0 0 100 % 3.8 62.0% 3 Building pad, grid lines C .5/11 1 0 .0 0 1 00% 4.0 60.0 % 4 Building pad,grid Ii n e s D .5/11 1 0 . 7 0 1 00% 4.1 61 .6 % 5 Building pad, grid Ii n e s E .5/11 1 1 .0 0 1 00% 4.4 60.0 % 6 Building pad, grid Ii n e s F .5/11 1 0 .9 0 1 00% 4.2 61 .4 % 7 Building pad,grid Ii n e s G .5/11 1 2.5 0 1 00% 4.6 60.0 % 8 Building pad,grid Ii n e s H .5/11 1 1 .0 0 1 00% 4.3 60.9 % 9 Building pad, grid Ii n e s I. 5/11 1 0 .0 0 1 00% 3.7 63.0 % 1 0 Building pad,grid I in e s J .5/11 1 0 .0 0 1 00% 3.8 62.0 % Technician: Joe Jernigan Rone Engineering See Report 295765 for technician time~~ Report Distribution: 0"", 0", Co",'mctloo. LP (Da""'. TX) Att" M'. p", Byme . ........ .' '. . (1-ec copy) . 1-cc City of Coppell Attn: Mr. Lee Stone K. Scott Watson AET 1-cc City of Coppell Attn: Mr. Larry Davis 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. (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 In-Place Density Testing Report No.: 294969 Project No.: 0712932 Date of Service: 08/08/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West 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: 737 Current: 2502 Previous: 732 Previous: 2508 MOISTURE DENSITY RELATIONS Maximum Moisture Density Project Requirements MID No. Description % (pet) Moisture Density 294619 Lime Treated Brown 1 Silty Sandy Clay 32.7 87.0 Optimum +4 95 min FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (%max) Subgrade Building pad at grid line A.5/1 6" 294619 33.6 112.2 84.0 97 Subgrade 2 Building pad at grid line B.5/1 6" 294619 34.1 112.2 83.7 96 Subgrade 3 Building pad at grid line C.5/1 6" 294619 33.5 112.8 84.5 97 Subgrade 4 Building pad at grid line D.5/1 6" 294619 33.9 112.5 84.0 97 Subgrade 5 Building pad at grid line E.5/1 6" 294619 33.1 112.3 84.4 97 Subgrad& 6 Building pad at grid line F .5/1 6" 294619 33.7 111.9 83.7 96 Subgrade 7 Building pad at grid line G.5/1 6" 294619 32.8 114.6 86.3 99 Subgrade 8 Building pad at grid line H.5/1 6" 294619 33.8 114.3 85.4 98 Subgrade 9 Building pad at grid line 1.5/1 6" 294619 33.1 114.9 86.3 99 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 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 In-Place Density Testing Report No.: 294969 Project No.: 0712932 Date of Service: 08/08/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (% max) Subgrade 10 Building pad at grid line J.5/1 6" 294619 33.9 114.6 85.6 98 Technician: Joe Jernigan Started: 11 :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: 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. (KWIKW) 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 In-Place Density Testing Report No.: 295765 Project No.: 0712932 Date of Service: 08/15/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing PROJECT DATA Contractor: Duke Construction, LP Test Method: ASTM 0-6938 Gauge: Troxler 3430 Gauge Serial No: 35518 Test Mode: DT Standard Counts Moisture Density Current: 739 Current: 2510 Previous: 738 Previous: 2554 MOISTURE DENSITY RELATIONS Maximum Moisture Density Project Requirements MID No. Description % (pet) Moisture Density 294619 Lime Treated Brown I Silty Sandy Clay 32.7 87.0 Optimum +4 95 min 272998 Brown / Silty Clay wI Organics 22.5 96.5- Optimum +4- u-9S min- - - FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (%max) Utility backfill 1 12" Water line W-1, Station 3+00, 3' below 6" 272998 24.3 116.8 94.0 97 grade Utility backfill 2 12" Water line W-1, Station 3+00, l' below 6" 272998 24.0 116.6 94.0 97 grade Utility backfill 3 12" Water line W-1, Station 3+00, final 6" 272998 24.7 117.7 94.4 98 Cap 4 Building pad, grid line A.5/11 6" 294619 33.0 111.7 84.0 97 Cap 5 Building pad, grid line B.5/11 6" 294619 34.0 111.9 83.5 96 Cap 6 Building pad, grid line C.5/11 6" 294619 33.2 114.3 85.8 99 Cap 7 Building pad, grid line D.5/11 6" 294619 32.9 114.2 85.9 99 Cap 8 Building pad, grid line E.5/11 6" 294619 33.8 114.4 85.5 98 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 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 In-Place Density Testing Report No.: 295765 Project No.: 0712932 Date of Service: 08/15/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pct) (pct) (% max) - Cap 9 Building pad, grid line F.5/11 6" 294619 33.9 114.6 85.6 98 Cap 10 Building pad, grid line G.5/11 6" 294619 33.1 114.9 86.3 99 Cap 11 Building pad, grid line H.5/11 6" 294619 33.8 114.3 85.4 98 Cap 12 Building pad, grid line 1.5/11 6" 294619 32.9 114.8 86.4 99 Cap ""Tr" Building pad, grid line J.5f11 6" 29461 9 " 33.3 113.7 85.3 98 Technician: Joe Jernigan 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 AUn: Mr. Larry Davis Started: 10:30am Finished: 04:30pm 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, Ltd. (KW/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 In-Place Density Testing Report No.: 294761 Project No.: 0712932 Date of Service: 08/07/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing PROJECT DATA Contractor: Duke Construction, LP Test Method: ASTM 0-6938 Gauge: Troxler 3430 Gauge Serial No: 35518 Test Mode: DT Standard Counts Moisture Density Current: 724 Current: 2508 Previous: 732 Previous: 2516 MOISTURE DENSITY RELATIONS Maximum Moisture Density Project Requirements MID No. Description % (pet) Moisture Density 272998 Brown I Silty Clay wi Organics 22.5 96.5 Optimum +4 95 min FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (% max) Utility backfill 12" Water line W-1, Station 39+00, 2' below 6" 272998 24.0 116.3 93.8 97 grade Utility backfill 2 12" Water line W-1, Station 39+00, final 6" 272998 24.1 116.5 93.9 97 Utility backfill 3 12" Water line W-1, Station 36+00, 2' below 6" 272998 23.6 116.9 94.6 98 grade Utility backfill 4 12" Water line W-1, Station 36+00, final 6" 272998 23.9 117.1 94.5 98 Utility backfill 5 12" Water line W-1, Station 33+00, 2' below 6" 272998 23.2 116.9 94.9 98 grade Utility backfill 6 12" Water line W-1, Station 33+00, final 6" 272998 23.7 117.3 94.8 98 Technician: Joe Jernigan Started: 12:30pm 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: 03:30pm 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. (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 In-Place Density Testing Report No.: 295045 Project No.: 0712932 Date of Service: 08/09/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West 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: 738 Current: 2507 Previous: 724 Previous: 2508 MOISTURE DENSITY RELATIONS Maximum Moisture Density Project Requirements MID No. Description % (pct) Moisture Density 294619 Lime Treated Brown I Silty Sandy Clay 32.7 87.0 Optimum +7 95 min FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pct) (pct) (%max) Subgrade 1 Building pad at grid line A.5/5 6" 294619 33.0 111.7 84.0 97 Subgrade 2 Building pad at grid line B.5/5 6" 294619 34.0 111.9 83.5 96 Subgrade 3 Building pad at grid line C.5/5 6" 294619 33.2 114.3 85.8 99 Subgrade 4 Building pad at grid line 0.5/5 6" 294619 32.8 114.6 86.3 99 Subgrade 5 Building pad at grid line E.5/5 6" 294619 32.7 111.9 84.3 97 Subgrade 6 Building pad at grid line F.5/5 6" 294619 33.3 114.2 85.7 99 Technician: Joe Jernigan Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byme (1-ec copy) 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis Started: 01 :OOpm Finished: 04:00pm 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. (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 Pulverization/Gradation Testing Report No.: 294617 Project No.: 0712932 Date of Service: 08/06/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Pulverization/Gradation Testing Report of Tests Specifications: passing passing 112" sieve #4 sieve 100% 60% A B C D E Weight Percent We ig h t Percent Sample Retained Passing Retained Passing Location We ig h t 1 112 " S ie v e 1 1 /2 n S ie v e #4 S ie v e #4 S ie v e 1 Building pad,grid line L.5/2 1 0 .8 0 100% 4 .1 62.0 % il u i i d i il-g pad, g,.:d iin e K .:;/~ , 'j i .5 'J ._~- 1-0 () % . -. 4.& 05.2 % " L 3 Building pad, grid lineJ.5/2 1 1 .0 0 100% 4.3 65.4 % 4 Building pad, grid lin e H .5/2 1 1 .7 0 1 00% 4.6 60.6 % 5 Building pad, grid lin e G .5/2 1 2.0 0 100% 4.7 61 .6 % 6 Building pad, grid line F.5/2 1 2 .0 0 100% 4.5 62.5 % 7 Building pad, grid line D.5/2 1 1 .3 0 1 00% 4.4 61.0 % 8 Building pad, grid line C.5/2 1 0 .9 0 100% 4.1 62.3 % 9 Building pad, grid lin e B .5/2 1 1 .0 0 100% 4.0 63.6 % 1 0 Building pad, grid lin e A .5/2 1 1 .0 0 100 % 4.4 60.0 % Technician: Joe Jernigan 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: 11 :30am 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. (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 Pulverization/Gradation Testing Report No.: 295603 Project No.: 0712932 Date of Service: 08/14/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Pulverization/Gradation Testing Report of Tests Specifications: passing passing 1/2" sieve #4 sieve 100% 60% A B C D E We ig h t Percent Weight Percent Sam pie Retained Passing Retained Passing Location W e ig h t 1 1/2 " S ie v e 1 1/2 " S ie v e #4 S ie v e #4 S ie v e 1 Building pad, grid Ii n eA. 5 19 1 2.6 0 1 00% 4.7 62.6 % - - - - f 00 % - 2 Building pad, grid lineB.519 I L .Il - 0 4.4 63.3 % 3 Building pad,grid lineC.5.9 1 2.5 0 100% 4.8 61 .6 % 4 Building pad, grid I in e D .519 1 1 .8 0 1 00% 4.2 64.4 % 5 Building pad, grid Ii n e E .519 1 1 .9 0 1 00% 4.4 63.0 % 6 Building pad, grid Ii n e F .519 1 2.0 0 1 00% 4.6 61.6% 7 Building pad, grid line G .519 1 2 .0 0 1 00% 4.5 62.5 % 8 Building pad, grid lin e H .5/9 1 1 .5 0 1 00% 4.2 63.4 % 9 Build'ing pad, grid Ii n e I. 519 1 1 .5 0 1 00% 4.4 61.7% 1 0 Building pad, grid line J.519 1 1 .3 0 100% 4.3 61 .9 % Technician: Joe Jernigan Started: 12:15pm Report Distribution: Orlg: 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: 04:30pm 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 contne!. 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 Pulverization/Gradation Testing Report No.: 295410 Project No.: 0712932 Date of Service: 08/13/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Pulverization/Gradation Testing Report of Tests Specifications: passing passing 1/2" sieve #4 sieve 100% 60% A B C 0 E We ig h t Percent We ig h t Percent Sam pie Retained Passing Retained Passing Location W e ig h t 1 1 12 .. S ie v e 1 1 12 .. S ie v e #4 S ie v e #4 S ie v e 1 Building pad, grid I in e s F .5/7 1 1 .9 0 100 % 4.6 61 .3 % -- - . - 100%- 4.3 Ii 2 .ll% 2 Building pad, grid Ii n e s G .5/7 1 1 .5 0 . 3 Building pad, grid Ii n e s H.5/7 1 1 .5 0 1 00% 4.4 61 .7% 4 Building pad,grid Ii n e s 1.5/7 1 1 .5 0 1 00% 4.2 63.4 % 5 Building pad, grid Ii n e s J.5/7 1 1 .1 0 1 00% 4.3 61 .2 % Technician: Joe Jernigan Started: 11: 15am 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: 06:15pm 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, LId. (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 Pulverization/Gradation Testing Report No.: 295215 Project No.: 0712932 Date of Service: 08/10/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Pulverization/Gradation Testing Report of Tests Specifications: passing passing 1/2" sieve #4 sieve 100% 60% A B C 0 E We ig h t Percent W e ig h t Percent Sam pIe Retained Passing Retained Passing Location We ig h t 1 1 /2 " S ie v e 1 1/2 " S ie v e #4 S ie v e #4 S ie v e 1 Building pad, grid Ii n e s A .5/7 10.8 0 1 00% 4.2 61 .1 % ~ .- ~ ~ .-- -. 4.5 2 Building pad,grid Ii n e s C .5/7 1 1 .5 U 100% 60.8 % 3 Building pad,grid Ii n e s o .5/7 1 1 .1 0 1 00% 4.1 63.0 % 4 Building pad, grid Ii n e s E .5/7 1 1 .3 0 100 % 4.3 61 .9 % 5 Building pad,grid lin es F .5/7 1 1 .0 0 1 00% 4.1 63.6 % Technician: Joe Jernigan Rone Engineering See Report 295214 for technician time~ ~ Report Distribution: . .' ~ '. . Ori9: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne . '. . . . . (1~ec copy) . . 1-cc City of Coppell Attn: Mr. Lee Stone K. Scott Watson AET 1-cc City of Coppell Attn: Mr. Larry Davis 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. (KW/KW) Page 1 of 1 Rone Engineering T. 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.: 295046 Project No.: 0712932 Date of Service: 08/09/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Pulverization/Gradation Testing Report of Tests Specifications: passing passing 1/2" sieve #4 sieve 1 00% 60% A B C D E We ig h t Percent We ig h t Percent Sam pie Retained Passing Retained Passing Location W e ig h t 1 1 /2 " S ie v e 1 1 /2 " S ie y e #4 S Ie v e #4 S ie y e 1 Building pad, grid I in e s A.5/3 1 0 .6 0 100% 4.1 61 .3 % 2 BUldling p..a~ grid lines [J .5/3 1 () .2 0 _._..- 100%- 4.0 6-0;7% --- 3 Building pad,grid lin e s C .5/3 1 1 .0 0 100% 4.3 60.9 % 4 Building pad, grid lin e s o .5/3 1 1 .0 0 100% 4.1 62.7% 5 Building pad,grid lin e s E .5/3 1 1 .1 0 100% 4.3 61 .2 % 6 Building pad,grid lin e s F .5/3 1 0 .8 0 100% 4.1 62.0 % 7 Building pad,grid I in e s G .5/3 1 1 .5 0 100% 4.2 63.4 % 8 Building pad, grid I in e s H .5/3 1 1 .3 0 1 00% 4.2 62.8 % 9 Building pad, grid Ii n e s I. 5/3 1 1 .0 0 100% 4.2 61 .8 % 1 0 Building pad, grid Ii n e s J.5/3 1 0 .9 0 100% 4.1 62.3 % Technician: Joe Jernigan Started: 10:00am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) AUn: Mr. Paul Byrne (1-ec copy) 1-cc City of Coppell AUn: Mr. Lee Stone 1-cc City of Coppell AUn: Mr. Larry Davis Finished: 12:45pm 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. (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 In-Place Density Testing Report No.: 295411 Project No.: 0712932 Date of Service: 08/13/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West 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: NA Current: NA Previous: NA Previous: NA MOISTURE DENSITY RELATIONS Maximum Moisture Density Project Requirements MID No. Description % (pet) Moisture Density 294619 Lime Treated Brown / Silty Sandy Clay 32.7 87.0 Optimum +4 95 min L7299S" BrowIl TSllty Clay'w/Organics 22.5 96.5 Optimurn~ - 95min FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (% max) Utility backfill 1 12" Water line W-1, Station 24+00, 2' below 6" 272998 25.1 118.8 95.0 98 grade Utility backfill 2 12" Water line W-1, Station 24+00, final 6" 272998 25.0 118.4 94.7 98 Utility backfill 3 12" Water line W-1, Station 21 +00,2' below 6" 272998 24.3 118.2 95.1 99 grade Utility backfill 4 12" Water line W-1, Station 21 +00, final 6" 272998 26.1 111'<.3 93.8 97 Utility backfill 5 12" Water line W-1, Station 18+00, 2' below 6" 272998 24.1 117.8 94.9 98 grade Utility backfill 6 12" Water line W-1, Station 18+00, final 6" 272998 24.7 118.5 95.0 98 Utility backfill 7 12" Water line W-1 , Station 16+00, 2' below 6" 272998 24.9 118.5 94.9 98 grade 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 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 In-Place Density Testing Report No.: 295411 Project No.: 0712932 Date of Service: 08/13/2007 Report Date: 08/17/2007 Project: Hemisphere's at Point West Coppell, Texas Services: Perform In-Place Density Testing FIELD DENSITY TESTS Test Probe MID Moisture Wet Density Dry Density Density No Test Location Depth No. % (pet) (pet) (%max) Utility backfill 8 12" Water line W-1, Station 16+00, final 6" 272998 25.1 117.1 93.6 97 Utility backfill 9 Building pad, grid line A.5/7 6" 294619 34.1 112.2 83.7 96 Utility backfill 10 Building pad, grid line B.5/7 6" 294619 33.5 112.8 84.5 97 Utility backfill 11 Building pad, grid line C.5/7 6" 294619 33.9 112.5 84.0 97 -~~- -tltHity-backfill ------- .._.~-- - - 12 Building pad, grid line D.5/7 6" 294619 33.1 112.3 84.4 97 Utility backfill 13 Building pad, grid line E.5/7 6" 294619 32.9 114.8 86.4 99 Utility backfill 14 Building pad, grid line F .5/7 6" 294619 33.3 113.7 85.3 98 Utility backfill 15 Building pad, grid line J.5/7 6" 294619 32.9 114.7 86.3 99 Utility backfill 16 Building pad, grid line H.5/7 6" 294619 33.4 115.7 86.7 100 Utility backfill 17 Building pad, grid line 1.5/7 6" 294619 33.0 111.7 84.0 97 Utility backfill 18 Building pad, grid line G.5/7 6" 294619 34.1 111.8 83.4 96 Utility backfill 19 Building pad, grid line H.5/7 6" 294619 33.2 114.3 85.8 99 Utility backfill 20 Building pad, grid line 1.5/7 6" 294619 33.7 111.9 83.7 96 Utility backfill 21 Building pad, grid line J.5/7 6" 294619 33.6 112.2 84.0 97 Technician: Joe Jernigan Rone Engineering See Report 295410 for technician time~~ Report Distribution: . ... .. . . . Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne . ... . .. . ... . (1-ec copy) 1-ee City of Coppell Attn: Mr. Lee Stone K. Scott Watson AET 1-ec City of Coppell AUn: Mr. Larry Davis 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. (KW/KW) Page 2 of 2