GEOTECHNICAL INVESTIGATION FOR MASTER DEVELOPMENT PLAN EFFORT

Transcription

1 GEOTECHNIEK MILIEU ONDERZOEK FUGRO CONSULTANTS, INC. GEOTECHNICAL INVESTIGATION FOR MASTER DEVELOPMENT PLAN EFFORT CSJ: NTE 4 HIGHWAY: IH 820 FROM RANDOL MILL ROAD TO WEST PIPELINE ROAD AND SH 121 FROM MIDWAY ROAD TO IH 820 FUGRO PROJECT NO AECOM CONTRACT NO REPORT TO: AECOM TRANSPORTATION JULY 2010

2 FUGRO CONSULTANTS, INC. Project No July 6, 2010 AECOM Transportation 1420 W. Mockingbird Lane, Suite 300 Dallas, Texas Virgo Lane Dallas, TX Phone: Fax: Attention: Mr. Jiri Filipovic, P.E. Project Director AECOM Contract No Master Development Plan Effort CSJ: NTE 4 - CDA Highway: IH 820 from Randol Mill Road to West Pipeline Road and SH 121 from Midway Road to IH 820 County : Tarrant Dear Mr. Filipovic: We are pleased to transmit the geotechnical Master Development Plan (MDP) report for NTE 4. This report includes a site vicinity map, plans of borings, gint boring logs, Wincore boring logs, generalized subsurface profiles, and laboratory test results. These services were performed in accordance with the scope described in Appendix A Geotechnical Scope of Work of the referenced contract. We appreciate the opportunity to work on this project. Please feel free to contact us if you have any questions upon reviewing this document. Sincerely, FUGRO CONSULTANTS, INC. TBPE Firm Registration No. F-299 Andrew D. Johnson, P.E. Project Engineer Saad M. Hineidi, P.E. Senior Vice President Chula B. Ellepola, P.E. Senior Geotechnical Engineer ADJ/SMH/CBE/kp Attachments: Site Vicinity Map and Plans of Borings (Appendix A) gint Boring Logs and Keys to Terms and Symbols for Soil and Rock (Appendix B) Key to Terms and Symbols used on TxDOT Logs and Wincore Boring Logs (Appendix C) Generalized Subsurface Profiles (Appendix D) Summary of Laboratory Test Results (Appendix E) Particle Size Distribution Reports (Appendix F) Unconfined Compression Test Results (Appendix G) Unconsolidated Undrained Compression Test Results (Appendix H) Sulfate and Lime Series Test Results (Appendix I) A member of the Fugro group of companies with offices throughout the world

3 Project No APPENDICES Appendix A Appendix B Site Vicinity Map and Plans of Borings Boring Logs and Keys to Terms and Symbols for Soil and Rock Appendix C Appendix D A Key to Terms and Symbols Used on TxDOT Boring and Wincore Boring Logs Generalized Subsurface Profiles Logs Appendix E Summary of Laboratory Test Results Appendix F Particle Size Distribution Reports Appendix G Unconfined Compression Test Results Appendix H Unconsolidated Undrained Compression Test Results Appendix I Sulfate and Lime Series Test Results

4 Project No APPENDIX - A SITE VICINITY MAP AND PLANS OF BORINGS

5 Mid Cities Glenview Pipeline Trinity Midway John T White REV DATE BY DESCRIPTION UV 26 Harwood UV 121 Bedford Euless M esquite B ranch Precinct Line Hurst Calloway Branch Randol Mill Arlington Walker Branch West Fork Trinity River Cooks Cottonwood C reek UV 10 John T White 30 Meadowbrook Sandy UV 121 Fort Worth Craig Airport TARRANT COUNTY FM 1938 UV Bridgewood Handley Handley Ederville North Richland Hills UV 183 Richland Hills Mid Cities Rufe Snow Big Fossil Creek UV Minnis Bridge Watauga Watauga Broadway Haltom City Legend Seg4 Alignment Scale: 1 inch = 3,000 feet Feet 0 1,500 3,000 6,000 Coordinate System: State Plane Texas North Central FIPS 4202 Ft Datum: D North American 1983 VICINITY MAP North Tarrant Expressway Segment 4 Source: Orthophotography: i-cubed via ArcGIS Online, 2007 Drawn By: DF Tarrant County, Texas Date: June 17, 2010 Project No.: PLATE A-1

6 Latham Dr Trinity Sand St REV DATE BY DESCRIPTION UV 10 A A B4-16 UV 10 B4-17 UV 183 Hurst UV 121 Wesley Way Central Park Dr A B4-15 A A B4-14 B4-13 Airport A B4-12 B4-11 A A B4-10 Gravel Dr A E Loop 820 N A 820 A A A A A A A B4-9 B4-8 B4-7 B4-6 B4-5 B4-4 B4-3 B4-2B4-1 Pebble Dr Flagstone St Tennis Ct Mosier View Ct Jack Newell Blvd S Randol Mill Stonegate Dr N Stone Forest Dr Manhattan Blvd Loop 820 Canyon Oak Dr Vistaview Dr Sunflower Cir N Sandybrook Dr E Loop 820 Sandstone Dr Bobwhite Dr Mandy Ln Misty Glen Ct Woodchucker Dr Bridgewood Tower St Sunset Oak Dr UV 183 Whitehall St Airport Fwy Elm Park Dogwood Park A B4-22 Fir Park Richland Hills A B4-23 Burns St Belton St Handley Ederville Midway Rd Robotics Pl Stoneway Dr S TARRANT COUNTY Reeves Pl Stoneway Dr N Fort Worth Riverview Cir Canyon Creek Trl Cholla Dr Highwoods Trl Boca Raton Blvd Cedar Park Blvd Birch Park Dr A B4-24 Atco Dr Terrace Oaks Ln Silverleaf Ct Paloverde Ct Paloverde Ln Indigo Ct Lantana Ln Maple Park Dr Riverbend West Dr Oakwood Trl Scruggs Park Dr Mimosa Park Dr Park Place Dr Ash Park Dr Scruggs Park Dr Pine Park Dr Airport Fwy Willow Park St Spruce Park Dr A B4-25 Mimosa Park Dr UV 121 Austin Rd Enterprise Ave Forest Ln Forest River Dr Oak Hollow Ln Havenwood Ln N Putter Dr SITE AND BORING PLAN North Tarrant Expressway Legend A Seg 4 Boring Locations Scale: 1 inch = 1,000 feet Feet ,000 2,000 Coordinate System: State Plane Texas North Central FIPS 4202 Ft Datum: D North American 1983 Segment 4 Source: Orthophotography: i-cubed via ArcGIS Online, 2007 Drawn By: SE Tarrant County, Texas Date: January 22, 2010 Project No.: PLATE B-1

7 Pipeline Glenview Oxley Dr Richland Rd Dover Ln Sand St N Hills Blvd Encino Dr Calcutta St Bridges Ave Hardisty St Willow St Kevin Dr Powers St Crestview Dr Shadow Grass Ave Decoy Ln REV DATE BY DESCRIPTION Zelda Dr Pacific St Castle Dr Royal Ln Park Place Blvd Barrington Crossing Apartment Holly Hill Dr Kathryn St W Redbud Dr Greenwood Dr Henson Dr Billy Creek Dr Melbourne Rd Harris Ave Walker Dr Fanning Dr Bradford Dr Bradford Ct Gifford-Hill Rd UV 10 Trinity Vista Trl Riversprings Dr Bowspirit Ln Salado Trl Goldeneye Ln Trinity Ct NE Mall Blvd Belmont St Hurst P C Wynne Ln Oakwood Dr Glenn Dr Conn Dr UV 121 Keeter Dr Frawley Dr Airport Fwy NE Loop 820 Cagle Dr A B4-21 TARRANT COUNTY Jordan Dr Airline Dr Beth Ct Booth Calloway Rd Evergreen Rd Kathryn Ct A A B4-20 Granada Dr Labadie Dr Scranton Dr B4-19 Jonette Dr Chaffin Dr Landy Ln Cooper Dr A B4-18 UV 121 Richland Hills Labadie Dr Evelyn Dr Unnamed Street Jonette Dr Cardinal Rd Booth Rd A A B4-16 UV 10 B4-17 Central Park Dr S Booth Calloway Rd A B4-15 A A B4-14 B4-13 Airport UV 183 UV UV Whitehall St Wesley Way Tower St Airport Fwy Dogwood Park A B4-12 Trinity B4-11 A A B4-10 Gravel Dr Fort Worth A E Loop 820 N A 820 A A B4-9 B4-8 B4-7 B4-6 Pebble Dr Flagstone St Jack Newell Blvd N Tennis Ct Mosier View Ct Jack Newell Blvd S A Legend A Seg 4 Boring Locations Scale: 1 inch = 1,000 feet Feet ,000 2,000 Coordinate System: State Plane Texas North Central FIPS 4202 Ft Datum: D North American 1983 SITE AND BORING PLAN North Tarrant Expressway Segment 4 Source: Orthophotography: i-cubed via ArcGIS Online, 2007 Drawn By: SE Tarrant County, Texas Date: January 22, 2010 Project No.: PLATE B-2

8 Project No APPENDIX - B BORING LOGS KEYS TO TERMS AND SYMBOLS FOR SOIL AND ROCK

9 LOG OF BORING NO. B4-1 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 1.5 P = 2.5 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SAND, reddish tan and brown, moist, loose to dense, with trace gravel and limestone fragments LAYER ELEV./ DEPTH WATER CONTENT, % 15 LIQUID 36 PLASTIC 12 PLASTICITY INDEX (PI), % 24 PASSING NO. 200 SIEVE, % 44 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 2.5 P = P = P = /8.5" N = 50/5" LIMESTONE, moderately weathered, tan, soft to hard, moist LIMESTONE, light gray, hard, dry /2.25" 10'-15' 97/ 65 SHALE, gray to brown, soft to hard, moist /2.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-20' 75/ /4" 20'-25' 87/ 87 Fugro Consultants, Inc. COMPLETION DEPTH: 45.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY 20 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE a

10 LOG OF BORING NO. B4-1 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2.5" 25'-30' STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray to brown, soft to hard, moist (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 80/ /2.75" 30'-35' 95/ /2" 35'-40' 88/ /2.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 97/ /0.5" Fugro Consultants, Inc. LIMESTONE, light gray, very hard, dry COMPLETION DEPTH: 45.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

11 LOG OF BORING NO. B4-2 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 4.5+ P = 3.75 STRATUM DESCRIPTION SURF. ELEVATION: FILL, Hot-Mix Asphaltic Concrete (HMAC) 10.0" FILL, SAND, reddish brown and brown, moist, loose LAYER ELEV./ DEPTH WATER CONTENT, % 20 LIQUID 31 PLASTIC 14 PLASTICITY INDEX (PI), % 17 PASSING NO. 200 SIEVE, % 39 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 5 P = 4.5 P = 4.5+ P = /9" SANDY LEAN CLAY (CL), tan, moist, hard, calcareous LIMESTONE, moderately weathered, tan, soft, moist, fractured, with intermittent clay seams N = 50/3" LIMESTONE, light gray, hard to very hard, dry, fractured, with intermittent shale lenses /2.75" 10'-15' / /2.25" SHALE, gray, soft, moist, calcareous, with intermittent limestone seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-20' 97/ /0.75" 20'-25' 98/ 55 Fugro Consultants, Inc. LIMESTONE, light gray, hard to very hard, dry, fractured, with interbedded shale seams COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE a

12 LOG OF BORING NO. B4-2 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1" 25'-30' 100/ 77 STRATUM DESCRIPTION SURF. ELEVATION: LIMESTONE, light gray, hard to very hard, dry, fractured, with interbedded shale seams (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /1" 30'-35' 98/ 88 SHALE, gray to brown, soft to hard, moist, fissile /1.75" 35'-40' 97/ /1.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 85/ /2" 45'-50' 97/ 97 Fugro Consultants, Inc. COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE b

13 LOG OF BORING NO. B4-2 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2" SURF. ELEVATION: STRATUM DESCRIPTION LAYER ELEV./ DEPTH 50.0 WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

14 LOG OF BORING NO. B4-3 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 3.5 P = 3.0 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SAND, brown, compact, moist, with trace calcareous nodules FAT CLAY (CH), brown, very stiff, moist, with fine-grained sand LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 27 PLASTIC 13 PLASTICITY INDEX (PI), % 14 PASSING NO. 200 SIEVE, % 37 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 5 P = /9.75" LEAN CLAY WITH SAND (CL), tan, stiff to hard, dry, calcareous N = N = /12" N = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 N = 31 60/12" Fugro Consultants, Inc. COMPLETION DEPTH: 20.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE

15 LOG OF BORING NO. B4-4 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.0 P = 1.75 STRATUM DESCRIPTION SURF. ELEVATION: FILL, Hot-Mix Asphaltic Concrete (HMAC) 12.0" FAT CLAY (CH), dark brown to brown, moist, soft, with trace calcareous nodules LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 3.0 P = /12" P = P = 4.5 P = P = /12" FAT CLAY WITH SAND (CH), brown, moist, stiff, with trace to few calcareous nodules SANDY LEAN CLAY (CL), light brown, moist, stiff N = 35 POORLY GRADED SAND WITH GRAVEL (SP), tan, dry to saturated, slightly compact FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /8.25" N = 50/4" 100/1.5" Fugro Consultants, Inc. POORLY GRADED GRAVEL WITH SAND (GP), tan, wet, dense LIMESTONE, moderately weathered, tan, hard, moist, fractured, with interbedded clay seams SHALE, gray, hard, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, very hard, dry, with intermittent shale lenses COMPLETION DEPTH: 60.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 15.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

16 LOG OF BORING NO. B4-4 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/0.5" 25'-30' 100/ 87 SURF. ELEVATION: STRATUM DESCRIPTION SHALE, gray, hard, moist, calcareous, with intermittent limestone lenses LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /3.75" 30'-35' 93/ /1" 35'-40' 98/ 75 LIMESTONE, light gray, hard to very hard, dry, with intermittent shale lenses SHALE, gray, very hard, moist, calcareous, with intermittent limestone lenses FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /0.75" 40'-45' 98/ /0.75" 45'-50' 98/ 92 Fugro Consultants, Inc. LIMESTONE, light gray, very hard, dry, with intermittent shale lenses SHALE, gray, soft to very hard, moist, calcareous, with intermittent limestone lenses COMPLETION DEPTH: 60.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 15.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE b

17 LOG OF BORING NO. B4-4 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/0.75" 50'-55' 100/ 95 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray, soft to very hard, moist, calcareous, with intermittent limestone lenses (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /1.5" 55'-60' 98/ /1.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 60.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 15.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

18 LOG OF BORING NO. B4-5 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 1.5 P = 3.0 P = 3.0 SURF. ELEVATION: FILL, CLAY, brown, moist, soft to very stiff, with trace gravel FILL, SAND, tan, wet, loose STRATUM DESCRIPTION LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 37 PLASTIC 13 PLASTICITY INDEX (PI), % 24 PASSING NO. 200 SIEVE, % 36 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = /12" P = 1.25 FILL, CLAY, brown, moist, soft to stiff P = 3.0 P = 1.0 P = 1.0 FILL, SAND, tan to reddish tan, moist, loose, with trace gravel /12" FILL, SAND, reddish tan, moist to wet, slightly compact, with interbedded clay seams and cemented sand fragments N = 14 15/12" FILL, CLAY, brown and gray, moist, soft to stiff, with few calcareous nodules FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 P = 2.0 P = /12" N = 14 Fugro Consultants, Inc. COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 45.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE a

19 LOG OF BORING NO. B4-5 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 17/12" STRATUM DESCRIPTION SURF. ELEVATION: FILL, CLAY, brown and gray, moist, soft to stiff, with few calcareous nodules (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = /12" P = P = /12" P = P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 P = 2.0 P = /12" P = 1.0 P = 1.0 Fugro Consultants, Inc. LEAN CLAY WITH SAND (CL), brown and gray, moist to saturated, soft, with intermittent sand lenses COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 45.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE b

20 LOG OF BORING NO. B4-5 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 14/12" STRATUM DESCRIPTION SURF. ELEVATION: LEAN CLAY WITH SAND (CL), brown and gray, moist to saturated, soft, with intermittent sand lenses (continued) POORLY GRADED SAND WITH GRAVEL (SP), tan, wet, loose, to slightly compact LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 55 N = 30 71/12" POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, wet, compact to dense '-60' 92/ 80 LEAN CLAY WITH SAND (CL), gray and brown, moist, soft, trace calcareous nodules N = 11 13/12" P = 0.5 P = 0.5 LEAN CLAY WITH SAND (CL), brown and gray, wet, very soft to soft /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 P = 0.5 P = /12" P = 0.5 P = 0.5 Fugro Consultants, Inc. SANDY LEAN CLAY (CL), gray and brown, wet, soft COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 45.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

21 LOG OF BORING NO. B4-5 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 10/12" STRATUM DESCRIPTION SURF. ELEVATION: SANDY LEAN CLAY (CL), gray and brown, wet, soft (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 80 N = 67 92/11" POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, moist, compact to dense, with few clay seams N = /6" SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ N = /0.75" 90'-95' 98/ /4.5" 95'-100' 92/ 85 Fugro Consultants, Inc. LIMESTONE, light gray, very hard, dry SHALE, gray and brown, soft, moist, calcareous, with intermittent limestone seams COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 45.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE d

22 LOG OF BORING NO. B4-5 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2" SURF. ELEVATION: STRATUM DESCRIPTION LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ Fugro Consultants, Inc. COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 45.0 UPON COMPLETION: 45.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE e

23 LOG OF BORING NO. B4-6 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 3.5 P = 3.5 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SANDY CLAY, reddish tan and brown, moist, soft, with trace gravel and intermittent sand seams LAYER ELEV./ DEPTH WATER CONTENT, % 15 LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = 1.5 P = /12" P = 3.0 P = 3.0 FILL, CLAY, brown, moist, soft, with trace calcareous nodules P = P = /12" FILL, SAND, reddish tan, moist, loose to dense, with few cemented sand fragments P = 0.5 P = /7.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 N = 25 24/12" N = 11 Fugro Consultants, Inc. FILL, CLAY, tan and brown, moist, stiff to very stiff, with few limestone fragments COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

24 LOG OF BORING NO. B4-6 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 21/12" STRATUM DESCRIPTION SURF. ELEVATION: FILL, CLAY, tan and brown, moist, stiff to very stiff, with few limestone fragments (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF LEAN CLAY (CL), dark brown and gray, moist, soft to stiff, with trace calcareous nodules N = /12" P = P = /12" P = P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 P = 3.25 P = /12" P = 4.0 P = 3.0 Fugro Consultants, Inc. COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

25 LOG OF BORING NO. B4-6 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 26/12" STRATUM DESCRIPTION SURF. ELEVATION: LEAN CLAY (CL), dark brown and gray, moist, soft to stiff, with trace calcareous nodules (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 1.75 P = 1.0 LEAN CLAY WITH SAND (CL), light brown and gray, moist to wet, soft, with trace calcareous nodules /12" P = 1.0 SANDY LEAN CLAY (CL), light brown, wet, soft, with trace calcareous nodules P = /12" CLAYEY SAND (SC), light brown, wet, slightly compact POORLY GRADED SAND (SP), tan, moist to wet, loose to compact, with intermittent clayey sand seams N = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 N = 21 82/12" N = 42 Fugro Consultants, Inc. POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, wet, compact to dense, with few clay seams COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 8 PLATE c

26 LOG OF BORING NO. B4-6 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 84/11.5" STRATUM DESCRIPTION SURF. ELEVATION: POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, wet, compact to dense, with few clay seams (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = /6" SHALE, gray and brown, soft to very hard, moist, calcareous, with intermittent limestone seams N = /3.5" 85'-90' 93/ /0.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-95' 100/ /0.75" 95'-100' 87/ 60 Fugro Consultants, Inc. COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE d

27 LOG OF BORING NO. B4-6 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/0.75" SURF. ELEVATION: STRATUM DESCRIPTION LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ Fugro Consultants, Inc. COMPLETION DEPTH: DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: 24.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE e

28 LOG OF BORING NO. B4-7 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.0 STRATUM DESCRIPTION SURF. ELEVATION: FILL, CLAY, dark brown, moist, soft, with trace gravel LAYER ELEV./ DEPTH WATER CONTENT, % 22 LIQUID 47 PLASTIC 18 PLASTICITY INDEX (PI), % 29 PASSING NO. 200 SIEVE, % 71 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 2.5 P = 2.5 FAT CLAY (CH), brown, moist, soft to stiff, with trace calcareous nodules P = 2.0 P = /12" P = 3.5 P = P = P = /12" P = 3.5 P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 P = 3.5 P = /12" P = 1.5 P = 1.75 Fugro Consultants, Inc. LEAN CLAY WITH SAND (CL), light brown and gray, moist to saturated, soft, with trace calcareous nodules COMPLETION DEPTH: 85.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 23.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

29 LOG OF BORING NO. B4-7 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 17/12" STRATUM DESCRIPTION SURF. ELEVATION: LEAN CLAY WITH SAND (CL), light brown and gray, moist to saturated, soft, with trace calcareous nodules (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % 81 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = /12" P = 0.5 SANDY LEAN CLAY (CL), light brown and gray, moist to wet, very soft to soft P = /12" P = 0.5 SILTY CLAYEY SAND (SC-SM), light brown and gray, wet, very loose, with intermittent sand seams P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 N = 12 27/12" N = 81 Fugro Consultants, Inc. POORLY GRADED SAND (SP), tan, wet, loose to slightly compact POORLY GRADED GRAVEL WITH SAND (GP), tan, moist, compact to very dense, with few clay lenses COMPLETION DEPTH: 85.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 23.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

30 LOG OF BORING NO. B4-7 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/4" STRATUM DESCRIPTION SURF. ELEVATION: POORLY GRADED GRAVEL WITH SAND (GP), tan, moist, compact to very dense, with few clay lenses (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = /10.5" SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams N = /3.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /0.75" 65'-70' 90/ /0.75" 70'-75' 98/ 92 Fugro Consultants, Inc. LIMESTONE, light gray, very hard, dry, with interbedded shale lenses SHALE, brown and gray, soft to very hard, moist, slightly calcareous, fossiliferous COMPLETION DEPTH: 85.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 23.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE c

31 LOG OF BORING NO. B4-7 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1" 75'-80' 98/ 98 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, brown and gray, soft to very hard, moist, slightly calcareous, fossiliferous (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /1.75" 80'-85' 98/ /1.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 95 Fugro Consultants, Inc. COMPLETION DEPTH: 85.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 23.0 UPON COMPLETION: 20.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE d

32 LOG OF BORING NO. B4-8 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.0 STRATUM DESCRIPTION SURF. ELEVATION: CLAYEY SAND (SC), reddish brown, moist, loose LAYER ELEV./ DEPTH WATER CONTENT, % 11 LIQUID 40 PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 3.0 N = 13 SILTY SAND (SM), reddish tan, moist, loose N = 14 54/12" POORLY GRADED SAND WITH GRAVEL (SP), tan, slightly compact to compact, water bearing, fine to medium sand, with fine angular to round gravel N = 29 N = 22 30/12" POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, wet, slightly compact, fine to coarse subangular to round gravel, with medium to coarse sand N = 32 FAT CLAY (CH), light brown to gray, moist, stiff to very stiff, slickensided FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /8" 100/5.5" 20'-25' 90/ 58 Fugro Consultants, Inc. LIMESTONE, tan, hard, moist, weathered, fractured, with intermittent clay seams SHALE, gray, soft, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams COMPLETION DEPTH: 45.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 4.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

33 LOG OF BORING NO. B4-8 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1.75" 25'-30' 97/ 83 SURF. ELEVATION: STRATUM DESCRIPTION SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF SHALE, gray, hard, moist, fissile /1.25" 30'-35' 80/ /2.25" 35'-40' 97/ 65 LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams /0.75" SHALE, gray, soft to hard, moist, with calcareous nodules and intermittent limestone seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 98/ /0.75" Fugro Consultants, Inc. LIMESTONE, light gray, very hard, dry, with interbedded cemented lenses SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams COMPLETION DEPTH: 45.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 4.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

34 LOG OF BORING NO. B4-9 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.0 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SANDY CLAY, dark brown, moist, soft, (Fill) LAYER ELEV./ DEPTH WATER CONTENT, % 18 LIQUID 39 PLASTIC 13 PLASTICITY INDEX (PI), % 26 PASSING NO. 200 SIEVE, % 49 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 2.5 P = 2.5 P = 2.0 FAT CLAY WITH SAND (CH), light brown, moist, soft, with trace calcareous nodules P = /12" P = 2.0 P = 2.5 N = 8 LEAN CLAY WITH SAND (CL), light brown, moist, soft POORLY GRADED SAND (SP), reddish tan, moist, loose /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ N = /2" 100/1.75" 20'-25' 93/ 72 Fugro Consultants, Inc. POORLY GRADED GRAVEL WITH SAND (GP), tan, wet, compact LIMESTONE, tan, hard to very hard, dry, weathered, fractured LIMESTONE, light gray, hard to very hard, dry, with intermittent shale lenses SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

35 LOG OF BORING NO. B4-9 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1.5" 25'-30' 98/ 98 SURF. ELEVATION: STRATUM DESCRIPTION SHALE, gray, soft, moist, fissile LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /7.5" 30'-35' 87/ /1" 35'-40' SHALE, gray, soft, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, hard to very hard, dry, with interbedded shale lenses / 48 SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, very hard, dry, with interbedded shale seams /0.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 93/ /0.75" 45'-50' 98/ 85 Fugro Consultants, Inc. SHALE, gray, very hard, moist, calcareous, with intermittent limestone seams SHALE, gray, hard to very hard, moist, fissile COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

36 LOG OF BORING NO. B4-9 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2" 50'-55' 97/ 97 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray, hard to very hard, moist, fissile (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /2.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.0 UPON COMPLETION: 8.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

37 LOG OF BORING NO. B4-10 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 0.5 P = 3.5 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SANDY CLAY, reddish brown, moist, soft, with fine-grained sand, iron stains, and fine rounded to subrounded gravel LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 36 PLASTIC 12 PLASTICITY INDEX (PI), % 24 PASSING NO. 200 SIEVE, % 57 UNIT DRY WEIGHT, PCF 95 UNCONFINED STRENGTH TSF 0.7 P = P = P = /12" 13 P = P = P = P = /12" 13 P = 3.5 FILL, CLAY, light gray, moist, soft, with fine grained sand P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 P = 4.5+ P = /12" P = 4.5+ P = 4.5+ Fugro Consultants, Inc. SANDY LEAN CLAY (CL), light gray and yellowish brown, stiff, with fine-grained sand POORLY GRADED SAND WITH CLAY AND GRAVEL (SP-SC), yellowish brown, moist, loose COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 28.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

38 LOG OF BORING NO. B4-10 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 19/12" STRATUM DESCRIPTION SURF. ELEVATION: POORLY GRADED SAND WITH CLAY AND GRAVEL (SP-SC), yellowish brown, moist, loose (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = 22 FAT CLAY (CH), light brown and gray, moist, stiff to very stiff, shaley, slickensided /12" 35 50/4" 100/0.75" LIMESTONE, light gray, very hard, dry, with intermittent shale seams, argillaceous '-40' 93/ 82 SHALE, gray, soft to hard, moist, calcareous LIMESTONE, light gray, very hard, dry, with intermittent shale seams /0.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 98/ /1.25" 45'-50' 65/ 33 Fugro Consultants, Inc. SHALE, gray, hard to very hard, moist, calcareous, with intermittent limestone layers COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 28.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

39 LOG OF BORING NO. B4-10 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2.5" 50'-55' 97/ 97 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray, hard to very hard, moist, calcareous, with intermittent limestone layers (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF LIMESTONE, light gray, very hard, dry, with intermittent shale lenses /0.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 28.0 UPON COMPLETION: 8.5 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

40 LOG OF BORING NO. B4-11 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 3.0 P = 3.0 STRATUM DESCRIPTION SURF. ELEVATION: LEAN CLAY WITH SAND (CL), light gray and yellowish brown, moist to wet, soft to stiff, with iron stains and trace calcareous nodules LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 40 PLASTIC 13 PLASTICITY INDEX (PI), % 27 PASSING NO. 200 SIEVE, % 72 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = P = /12" P = 1.5 P = 0.5 POORLY GRADED SAND (SP), yellow, very loose, water bearing, with fine-grained sand N = /12" LEAN CLAY (CL), light gray, moist, soft, slickensided, with iron stains FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ P = /1" 15'-20' 100/ /0.5" 20'-25' 70/ 63 Fugro Consultants, Inc. LIMESTONE, light gray, hard to very hard, dry, argillaceous, with intermittent shale seams SHALE, gray, soft to hard, moist, slightly calcareous, with intermittent limestone seams LIMESTONE, light gray, very hard, dry, with occasional shale lenses SHALE, gray, medium hard, moist, calcareous COMPLETION DEPTH: 35.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 7.5 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

41 LOG OF BORING NO. B4-11 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2.5" 25'-30' 97/ 97 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray, medium hard, moist, calcareous (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /3" 30'-35' 88/ 85 LIMESTONE, light gray, very hard, dry, with intermittent shale lenses /0.5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 Fugro Consultants, Inc. COMPLETION DEPTH: 35.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 7.5 UPON COMPLETION: 4.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

42 LOG OF BORING NO. B4-12 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.5 STRATUM DESCRIPTION SURF. ELEVATION: FILL, CLAY, brown, moist, soft, with, trace gravel LAYER ELEV./ DEPTH WATER CONTENT, % 23 LIQUID 43 PLASTIC 16 PLASTICITY INDEX (PI), % 27 PASSING NO. 200 SIEVE, % 96 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = 2.5 P = 3.75 P = /12" FILL, CLAY, dark brown, moist, soft to stiff FILL, SANDY CLAY, brown, moist, very soft to soft, trace gravel P = 4.0 P = P = P = /12" P = P = /12" CLAYEY SAND WITH GRAVEL (SC), reddish brown, slightly compact FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 P = 1.0 P = /12" N = 18 Fugro Consultants, Inc. SILTY SAND (SM), brown, dry, loose, with trace clay and organics POORLY GRADED SAND WITH GRAVEL (SP), tan, dry, slightly compact, with few clay lenses COMPLETION DEPTH: 80.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 25.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

43 LOG OF BORING NO. B4-12 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 33/12" SURF. ELEVATION: STRATUM DESCRIPTION POORLY GRADED GRAVEL (GP), tan, wet, slightly compact LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = 11 SANDY LEAN CLAY (CL), tan, moist to wet, very soft, with intermittent silty sand lenses and trace organics /12" CLAYEY SAND (SC), tan, wet, very loose to loose N = /12" SILTY CLAYEY SAND WITH GRAVEL (SC-SM), tan, wet, slightly compact N = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 N = /6.75" Fugro Consultants, Inc. POORLY GRADED GRAVEL WITH SAND (GP), tan, wet, compact, with trace clay lenses LIMESTONE, moderately weathered, tan, soft, moist, fractured, with intermittent gravel seams LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams SHALE, gray, hard to very hard, calcareous, with limestone seams COMPLETION DEPTH: 80.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 25.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

44 LOG OF BORING NO. B4-12 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1.75" 50'-55' 97/ 85 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray, hard to very hard, calcareous, with limestone seams (continued) LIMESTONE, light gray, hard to very hard, dry, with shale seams LAYER ELEV./ DEPTH WATER CONTENT, % 6 LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF 145 UNCONFINED STRENGTH TSF SHALE, gray, hard to very hard, dry, calcareous, with intermittent limestone lenses /1.5" 55'-60' 98/ /0.75" '-65' 95/ 90 SHALE, gray and brown, soft to very hard, moist FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /4" 65'-70' 93/ /2.5" 70'-75' 97/ 97 Fugro Consultants, Inc. COMPLETION DEPTH: 80.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 25.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE c

45 LOG OF BORING NO. B4-12 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2.25" 75'-80' 97/ 97 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray and brown, soft to very hard, moist (continued) LAYER ELEV./ DEPTH WATER CONTENT, % 17 LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF 113 UNCONFINED STRENGTH TSF /0.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 95 Fugro Consultants, Inc. COMPLETION DEPTH: 80.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 25.0 UPON COMPLETION: 25.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE d

46 LOG OF BORING NO. B4-15 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 4.5+ P = 4.5+ P = 1.0 P = 1.25 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SANDY CLAY, reddish brown, moist, soft, with gravel SANDY LEAN CLAY (CL), reddish brown, moist, soft, with trace gravel LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = /12" P = 4.0 P = P = 3.0 P = /12" P = P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 N = 8 12/12" P = 0.75 P = 1.0 Fugro Consultants, Inc. SILTY CLAYEY SAND WITH GRAVEL (SC-SM), tan and light gray, wet, loose to compact COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

47 LOG OF BORING NO. B4-15 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 42/12" STRATUM DESCRIPTION SURF. ELEVATION: SILTY SAND (SM), tan, wet, compact LAYER ELEV./ DEPTH 25.0 WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /11" 100/1" POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, wet, dense, subangular to round, fine to coarse gravel, with medium fine to coarse sand LIMESTONE, tan to gray, hard to very hard, dry, weathered calcareous nodules, with shale lenses SHALE, gray, hard, moist, calcareous, with intermittent limestone seams /1.5" 35'-40' 80/ /0.75" LIMESTONE, light gray, hard to very hard, dry, with shale lenses SHALE, gray, very hard, moist, calcareous, with intermittent limestone seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 98/ /3" 45'-50' 95/ 95 Fugro Consultants, Inc. SHALE, gray, hard, moist, fissile COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

48 LOG OF BORING NO. B4-15 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1" SURF. ELEVATION: STRATUM DESCRIPTION LAYER ELEV./ DEPTH 50.0 WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: 14.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

49 LOG OF BORING NO. B4-16 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 4.5+ P = 4.5+ STRATUM DESCRIPTION SURF. ELEVATION: CLAYEY SAND WITH GRAVEL (SC), reddish brown, moist, slightly compact LAYER ELEV./ DEPTH WATER CONTENT, % 17 LIQUID 52 PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 4.5+ N = 24 POORLY GRADED GRAVEL WITH SAND (GP), reddish brown to reddish tan, dry, compact to dense, with intermittent clay seams /8.5" N = /5" LIMESTONE, moderately weathered, tan, soft to hard, moist, fractured, with intermittent clay seams N = 50/4" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /2.5" 100/1.75" 20'-25' 100/ 82 Fugro Consultants, Inc. LIMESTONE, light gray, hard to very hard, dry, with interbedded shale seams COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE a

50 LOG OF BORING NO. B4-16 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/0.75" 25'-30' 98/ 63 STRATUM DESCRIPTION SURF. ELEVATION: LIMESTONE, light gray, hard to very hard, dry, with interbedded shale seams (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF SHALE, gray, hard, moist, with intermittent limestone lenses /1.5" 30'-35' 98/ 58 LIMESTONE, light gray, hard to very hard, dry, with interbedded shale seams /0.75" 35'-40' 98/ /0.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 98/ /2.5" 45'-50' 95/ 95 Fugro Consultants, Inc. SHALE, gray to brown, hard, moist, fissile COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

51 LOG OF BORING NO. B4-16 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2" SURF. ELEVATION: STRATUM DESCRIPTION LAYER ELEV./ DEPTH 50.0 WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 50.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

52 LOG OF BORING NO. B4-17 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 1.5 P = 2.75 STRATUM DESCRIPTION SURF. ELEVATION: SANDY LEAN CLAY (CL), reddish gray, moist, soft, with fine-grained sand LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 38 PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = P = /11.5" N = 36 POORLY GRADED SAND (SP), yellow, dry, compact to very dense, with fine to coarse sand and fine angular to subangular gravel /8.5" LIMESTONE, tan, soft to hard, dry, weathered, fractured, with interbedded clay seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /1.5" 15'-20' 98/ /7" 20'-25' 70/ 48 Fugro Consultants, Inc. LIMESTONE, light gray, hard to very hard, dry, fossiliferous, fractured, with intermittent shale lenses SHALE, gray, soft, moist, calcareous, with intermittent limestone lenses LIMESTONE, light gray, very hard, dry, with intermittent shale lenses COMPLETION DEPTH: 60.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

53 LOG OF BORING NO. B4-17 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/0.5" 25'-30' 95/ 55 STRATUM DESCRIPTION SURF. ELEVATION: LIMESTONE, light gray, very hard, dry, with intermittent shale lenses (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /0.75" 30'-35' 90/ /5" 35'-40' SHALE, brown and gray, soft to very hard, moist, calcareous / /2.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 95/ /2.5" 45'-50' 87/ 83 Fugro Consultants, Inc. COMPLETION DEPTH: 60.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

54 LOG OF BORING NO. B4-17 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2" 50'-55' 43/ 43 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, brown and gray, soft to very hard, moist, calcareous (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /1.5" 55'-60' 93/ /1.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 60.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

55 LOG OF BORING NO. B4-18 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 4.0 P = 2.5 P = 2.0 STRATUM DESCRIPTION SURF. ELEVATION: FILL, GRAVEL, light brown, dry, loose FILL, CLAY, brown and tan, moist, soft, with trace calcareous nodules LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 52 PLASTIC 18 PLASTICITY INDEX (PI), % 34 PASSING NO. 200 SIEVE, % 76 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = 2.0 9/12" CLAYEY SAND (SC), reddish brown, moist, loose, with trace gravel P = P = 4.5+ N = /1.5" POORLY GRADED GRAVEL WITH SAND (GP), reddish tan, moist to saturated, slightly compact CLAYEY SAND (SC), tan, wet, very dense POORLY GRADED GRAVEL WITH SAND (GP), tan, wet, dense, with intermittent clay seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ N = /4" N = 50/3" 100/2.75" Fugro Consultants, Inc. FAT CLAY WITH SAND (CH), tan, moist, very hard, calcareous, blocky LIMESTONE, moderately weathered, tan, soft to hard, moist, fractured, with intermittent clay seams LIMESTONE, light gray, hard, dry, with intermittent shale seams COMPLETION DEPTH: 20.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 9.5 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE

56 LOG OF BORING NO. B4-19 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.0 P = 1.5 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SANDY CLAY, reddish brown, moist, soft, with trace gravel LAYER ELEV./ DEPTH WATER CONTENT, % 24 LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = P = P = /12" P = P = P = 0.75 P = /12" FILL, SILTY SAND, reddish brown, very loose, water bearing SANDY LEAN CLAY (CL), dark gray to brown, moist, soft, with trace calcareous nodules P = P = 2.0 P = P = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 P = 1.5 N = 50/4" 100/1.75" N = 50/5" Fugro Consultants, Inc. GRAVELLY LEAN CLAY WITH SAND (CL), brown and gray, moist to wet, soft to stiff, with fine to coarse sub angular to rounded gravel and fine sand LIMESTONE, moderately weathered, tan, hard to very hard, moist, fractured, with interbedded clay seams SHALE, light brown and gray, hard, moist, slickensided LIMESTONE, moderately weathered, tan, hard to very hard, moist, fractured, with interbedded clay seams COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

57 LOG OF BORING NO. B4-19 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1.5" 25'-30' 97/ 57 STRATUM DESCRIPTION SURF. ELEVATION: LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams LAYER ELEV./ DEPTH 25.0 WATER CONTENT, % 6 LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF 143 UNCONFINED STRENGTH TSF /1" 30'-35' 98/ 95 SHALE, gray and brown, soft to hard, moist, fissile /3" 35'-40' / /3" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 95/ /4" 45'-50' 93/ 93 Fugro Consultants, Inc. COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.0 UPON COMPLETION: DRY 19 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD PLATE b

58 LOG OF BORING NO. B4-19 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1.5" 50'-55' 98/ 98 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray and brown, soft to hard, moist, fissile (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /2.25" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

59 LOG OF BORING NO. B4-20 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 4.5+ P = 4.5+ STRATUM DESCRIPTION SURF. ELEVATION: SANDY LEAN CLAY WITH GRAVEL (CL), brown, moist, stiff LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID 33 PLASTIC 14 PLASTICITY INDEX (PI), % 19 PASSING NO. 200 SIEVE, % 52 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 4.5+ P = 1.0 SILTY SAND WITH GRAVEL (SM), tan, dry, loose N = 11 28/12" N = 48 POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, slightly compact, dry to water bearing N = 50/4" 100/7" LIMESTONE, tan, soft, moist, weathered, fractured, with intermittent clay seams SHALE, light brown and gray, soft, moist, slickensided, with intermittent weathered limestone seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ P = /3" 100/1.5" 20'-25' 97/ 62 Fugro Consultants, Inc. LIMESTONE, tan, hard, dry, weathered, fractured, with clay seams LIMESTONE, light gray, hard to very hard, dry, fractured, with interbedded shale lenses SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.5 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

60 LOG OF BORING NO. B4-20 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/0.5" 25'-30' 99/ 93 SURF. ELEVATION: STRATUM DESCRIPTION SHALE, gray and brown, soft to hard, moist, fissile LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /3.75" 30'-35' 88/ /2" 35'-40' 70/ /1.75" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-45' 97/ /1.75" 45'-50' 78/ 78 Fugro Consultants, Inc. COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.5 UPON COMPLETION: 14.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

61 LOG OF BORING NO. B4-20 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/2" 50'-55' 90/ 90 STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray and brown, soft to hard, moist, fissile (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /2" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 70 Fugro Consultants, Inc. COMPLETION DEPTH: 55.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 8.5 UPON COMPLETION: 14.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

62 LOG OF BORING NO. B4-21 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.25 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SANDY CLAY, dark gray and brown, moist, very stiff, with fine-grained sand LAYER ELEV./ DEPTH WATER CONTENT, % 13 LIQUID 49 PLASTIC 16 PLASTICITY INDEX (PI), % 33 PASSING NO. 200 SIEVE, % 57 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 2.5 SANDY LEAN CLAY (CL), yellow, moist, soft P = 3.5 SANDY LEAN CLAY (CL), yellow, moist, soft /12" P = P = /12" P = 4.5+ FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /12" N = 50/3" 100/3.75" Fugro Consultants, Inc. CLAYEY SAND (SC), wet, compact to very dense, with fine-grained sand COMPLETION DEPTH: 20.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 13.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE

63 LOG OF BORING NO. B4-22 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.5 STRATUM DESCRIPTION SURF. ELEVATION: SANDY LEAN CLAY (CL), reddish brown, moist, soft LAYER ELEV./ DEPTH WATER CONTENT, % 16 LIQUID 39 PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 3.5 P = P = 4.0 P = /12" P = 2.0 P = 2.0 P = 2.5 N = 8 SILTY SAND (SM), reddish tan, dry, loose /12" 15 N = 14 57/12" POORLY GRADED SAND WITH GRAVEL (SP), tan, dry, loose to compact FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 N = 30 18/12" N = 6 Fugro Consultants, Inc. COMPLETION DEPTH: 75.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 35.0 UPON COMPLETION: DRY 4 4 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

64 LOG OF BORING NO. B4-22 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 6/12" SURF. ELEVATION: STRATUM DESCRIPTION POORLY GRADED SAND (SP), reddish tan, dry, slightly compact to compact LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = /12" N = /12" N = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 N = 8 68/12" N = 41 Fugro Consultants, Inc. POORLY GRADED GRAVEL WITH SAND (GP), tan, wet, compact, fine to coarse, with angular to rounded gravel FAT CLAY (CH), light brown and gray, moist, hard, slickensided COMPLETION DEPTH: 75.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 35.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

65 LOG OF BORING NO. B4-22 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 78/12" STRATUM DESCRIPTION SURF. ELEVATION: FAT CLAY (CH), light brown and gray, moist, hard, slickensided (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF /3" LIMESTONE, light gray, hard to very hard, dry SHALE, gray, very hard, moist, with intermittent limestone seams /0.75" 60'-65' 88/ 50 LIMESTONE, light gray, hard to very hard, dry, with intermittent shale lenses /2" SHALE, gray, hard to very hard, moist, with intermittent limestone lenses and seams FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-70' 93/ /1" 70'-75' 90/ 90 Fugro Consultants, Inc. COMPLETION DEPTH: 75.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 35.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

66 LOG OF BORING NO. B4-22 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/1.75" SURF. ELEVATION: STRATUM DESCRIPTION LAYER ELEV./ DEPTH 75.0 WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 95 Fugro Consultants, Inc. COMPLETION DEPTH: 75.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 35.0 UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE d

67 LOG OF BORING NO. B4-23 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.5 P = 4.0 STRATUM DESCRIPTION SURF. ELEVATION: FILL, CLAYEY SAND, reddish brown, moist, loose, with trace gravel LAYER ELEV./ DEPTH WATER CONTENT, % 16 LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % 50 UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF P = 2.5 N = 13 SILTY SAND (SM), reddish brown, moist to dry, loose /12" CLAYEY SAND (SC), reddish brown, moist, loose P = 2.5 P = 2.5 P = P = /12" SILTY SAND (SM), reddish tan, dry, very loose to slightly compact, with intermittent clay lenses and trace gravel P = /12" 15 17/12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 N = 12 10/12" N = 9 Fugro Consultants, Inc. POORLY GRADED GRAVEL WITH SAND (GP), reddish brown, dry, loose, with fine angular to rounded gravel POORLY GRADED SAND (SP), reddish tan, dry, loose to slightly compact, fine to medium sand COMPLETION DEPTH: 95.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 30.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE a

68 LOG OF BORING NO. B4-23 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 25/12" STRATUM DESCRIPTION SURF. ELEVATION: POORLY GRADED SAND (SP), reddish tan, dry, loose to slightly compact, fine to medium sand (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = /12" N = 66 POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, moist to wet, slightly compact to compact, with fine to coarse angular to sub rounded gravel, and medium to coarse sand /12" N = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 45 N = 38 18/12" N = 30 Fugro Consultants, Inc. CLAYEY SAND (SC), reddish tan, moist, loose, with intermittent silty sand partings POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, moist, compact, with intermittent clay lenses and sand partings COMPLETION DEPTH: 95.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 30.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE b

69 LOG OF BORING NO. B4-23 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 41/12" STRATUM DESCRIPTION SURF. ELEVATION: POORLY GRADED GRAVEL WITH CLAY AND SAND (GP-GC), tan, moist, compact, with intermittent clay lenses and sand partings (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = 10 SANDY LEAN CLAY (CL), tan, moist, soft, with interbedded sand partings /12" POORLY GRADED SAND WITH GRAVEL (SP), tan, moist, slightly compact, with fine to coarse sand, and fine sub-angular to rounded gravel N = /0.5" FAT CLAY (CH), light brown and gray, moist, stiff, slickensided LIMESTONE, light gray, very hard, dry SHALE, gray, soft to very hard, moist /5" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-70' 17/ /3.75" 70'-75' 93/ 93 Fugro Consultants, Inc. COMPLETION DEPTH: 95.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 30.0 UPON COMPLETION: 25.0 KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE c

70 LOG OF BORING NO. B4-23 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % 100/3" 75'-80' STRATUM DESCRIPTION SURF. ELEVATION: SHALE, gray, soft to very hard, moist (continued) LAYER ELEV./ DEPTH WATER CONTENT, % LIQUID PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 80/ /3" 80'-85' 92/ /0.75" 85'-90' 100/ /1" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ '-95' 95/ /1.5" Fugro Consultants, Inc. LIMESTONE, gray, hard to very hard, moist, argillaceous, with interbeddded shale lenses COMPLETION DEPTH: 95.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 30.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE d

71 LOG OF BORING NO. B4-24 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 2.25 P = 0.5 N = 13 STRATUM DESCRIPTION SURF. ELEVATION: SANDY LEAN CLAY (CL), reddish brown, moist, soft POORLY GRADED SAND WITH GRAVEL (SP), reddish brown, dry, loose POORLY GRADED SAND (SP), reddish brown, dry, very loose to loose, with intermittent clay lenses LAYER ELEV./ DEPTH WATER CONTENT, % 15 5 LIQUID 29 NP PLASTIC 15 NP PLASTICITY INDEX (PI), % 14 NP PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF N = /12" N = 5 8 N = /12" N = 4 SANDY LEAN CLAY (CL), brown, moist, soft FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/ /12" N = 12 64/12" Fugro Consultants, Inc. POORLY GRADED SAND (SP), tan, dry, loose to compact COMPLETION DEPTH: 20.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: DRY UPON COMPLETION: DRY KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE

72 LOG OF BORING NO. B4-25 North Tarrent Express-Segment 4 NORTHING: EASTING: PROJECT NO DEPTH, FT SYMBOL SAMPLES POCKET PEN, tsf Blows/ft. REC./RQD, % P = 3.5 P = 0.5 N = 25 STRATUM DESCRIPTION SURF. ELEVATION: FILL, SAND, reddish tan, moist, loose, with fine to medium sand and fine aungular gravel POORLY GRADED SAND (SP), reddish tan, dry, slightly compact, silty LAYER ELEV./ DEPTH WATER CONTENT, % 10 4 LIQUID 25 PLASTIC PLASTICITY INDEX (PI), % PASSING NO. 200 SIEVE, % UNIT DRY WEIGHT, PCF UNCONFINED STRENGTH TSF 5 N = 16 31/12" POORLY GRADED SAND WITH GRAVEL (SP), reddish tan, dry, loose to slightly compact, fine to coarse, with fine angular to sub-rounded gravel N = N = /12" WELL GRADED SAND (SW), tan, dry, slightly compact to compact N = /12" FUGRO STD GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/26/10 20 N = 11 41/12" Fugro Consultants, Inc. COMPLETION DEPTH: 20.0 DATE DRILLED: to WATER LEVEL / SEEPAGE: 18.0 UPON COMPLETION: KEY: P = Pocket Penetrometer Note: All depths are measured in feet. Coordinate System: NAD 83 PLATE

73 TERMS AND SYMBOLS USED ON BORING LOGS FOR SOIL SOIL TYPES CLAY (CH) SHALY CLAY (CH) CLAY (CL) SANDY CLAY (CL) Well-Graded SAND (SW) Poorly-Graded SAND (SP) SILTY SAND (SM) CLAYEY SAND (SC) Well-Graded GRAVEL (GW) Poorly-Graded GRAVEL (GP) SILTY GRAVEL (GM) FILL Material U.S.STANDARD SIEVE 12" 3" 3/4" GRAVEL SAND BOULDERS COBBLES COARSE FINE COARSE MEDIUM FINE SOIL GRAIN SIZE IN MILIMETERS (2) STRENGTH OF COHESIVE SOILS CONSISTENCY UNDRAINED COMPRESSIVE STRENGTH Tons Per Sq. Ft. SOIL GRAIN SIZE SILT CLAY DENSITY OF GRANULAR SOILS NUMBER OF BLOWS PER FT., N RELATIVE DENSITY (2) Very Soft Less Than Very Loose Soft 0.25 to Loose Firm 0.5 to Medium Stiff 1.00 to Dense Very Stiff 2.00 to 4.00 Over 50 Very Dense Hard greater than 4.00 (1) DESCRIPTIVE TERMS FOR SOIL DESCRIPTION CRITERIA MOISTURE Stratified Laminated Fissured Slickensided Blocky Lensed Alternating layers of varying material or color with layers at least 6 mm thick. Alternating layers of varying material or color with the layers less than 6 mm thick. Breaks along definite planes of fracture with little resistance to fracturing. Fracture planes appear polished or glossy, sometimes striated. Cohesive soil that can be broken down into small angular lumps which resist further breakdown. Inclusions of small pockets of different soils. Dry Moist Very Moist Wet Parting Seam Layer Trace Few Little With No water evident in sample; fines less than plastic limit. Sample feels damp; fines near the plastic limit Water visible on sample; fines greater plastic limit and less than liquid limit Sample bears free water; fines greater than liquid limit. INCLUSIONS Inclusion <1/8" thick extending through sample Inclusion 1/8" to 3" thick extending through sample. Inclusion >3" thick extending through sample. <5% of sample. 5% to 10% of sample. 15 to 25% of sample. 15% to 29% of sample. (1) NOTE: Information on each boring log is a compilation of subsurface conditions and soil and rock classifications obtained from the field as well as from laboratory testing of samples. Strata have been interpreted from commonly accepted procedures. The stratum lines on the logs may be transitional and approximate in nature. Water level measurements refer only to those observed at the times and places indicated, and may vary with time, geologic condition or construction activity. Fugro Consultants, Inc. REFERENCES: 1) ASTM D ) Peck, Hanson and Thornburn, (1974), Foundation Engineering. PLATE 29

74 TERMS AND SYMBOLS USED ON BORING LOGS FOR ROCK ROCK TYPES SAMPLER TYPES LIMESTONE SHALE SANDSTONE Thinwalled Tube Rock Core WEATHERED LIMESTONE WEATHERED SHALE WEATHERED SANDSTONE Standard Penetration Test Auger Sample HIGHLY WEATHERED LIMESTONE ARGILLACEOUS LIMESTONE MARL THD Cone Penetration Test Bag Sample SOLUTION & VOID CONDITIONS WEATHERING GRADES OF ROCKMASS (1) Void Cavities Vuggy Vesicular Porous Cavernous Interstice; a general term for pore space or other openings in rock. Small solutional concavities. Containing small cavities, usually lined with a mineral of different composition from that of the surrounding rock. Containing numerous small, unlined cavities, formed by expansion of gas bubbles or steam during solidification of the rock. Containing pore, interstices, or other openings which may or may not interconnect. Containing cavities or caverns, sometimes quite large. Most frequent in limestones and dolomites. Slightly Moderately Highly Completely Residual Soil Discoloration indicates weathering of rock material and discontinuity surfaces. Less than half of the rock material is decomposed or disintegrated to a soil. More than half of the rock material is decomposed or disintegrated to a soil. All rock material is decomposed and/or disintegrated to soil.the original mass structure is still largely intact. All rock material is converted to soil.the mass structure and material fabric are destroyed. HARDNESS BEDDING THICKNESS (2) Friable Low Hardness Moderately Hard Very Hard Crumbles under hand pressure Can be carved with a knife Can be scratched easily with a knife Cannot be scratched with a knife Very Thick Thick Thin Very Thin Laminated Thinly-Laminated >4' 2'-4' 2"-2' 1/2"-2" 0.08"-1/2" <0.08" JOINT DESCRIPTION SPACING INCLINATION Very Close <2" Horizontal 0-5 Close 2"-12" Shallow 5-35 Medium Close 12"-3' Moderate Wide >3' Steep Vertical SURFACES Slickensided Polished, grooved Smooth Planar Irregular Undulating or granular Rough Jagged or pitted Fugro Consultants, Inc. NOTE: Information on each boring log is a compilation of subsurface conditions and soil and rock classificaitons obtained from the field as well as from laboratory testing of samples. Strata have been interpreted by commonly accepted procedures. The stratum lines on the logs may be transitional and approximate in nature. Water level measurements refer only to those observed at the times and places indicated, and may vary with time, geologic condition or construction activity. REFERENCES: 1) British Standard(1981) Code of Practice for Site Investigation BS ) The Bridge Division, Texas Highway Dept. Foundation Exploration & Design Manual, 2nd Edition,revised June,1974. PLATE 30

75 Project No APPENDIX - C A KEY TO TERMS AND SYMBOLS USED ON TXDOT BORING LOGS WINCORE BORING LOGS

76 TERMS AND SYMBOLS USED ON TxDOT BORING LOGS SOIL TYPES CH, Fat Clay Sand ROCK TYPES Limestone CL, Lean Clay Gravel Shale ML, Silt Fill/Other Clayshale/Other SOIL GRAIN SIZE U.S.STANDARD SIEVE 6" 3" 3/4" GRAVEL SAND BOULDERS COBBLES SILT CLAY COARSE FINE COARSE MEDIUM FINE SOIL GRAIN SIZE IN MILLIMETERS (1) STRENGTH OF GRANULAR SOILS STRENGTH OF COHESIVE SOILS (1) (1) BEDROCK HARDNESS THD Penetrometer THD Penetrometer THD Penetrometer CONSISTENCY (blows/ft or blows/300mm) DENSITY (blows/ft or blows/300mm) HARDNESS (blows/ft or blows/300mm) Very Loose Loose Slightly Compact 0 to 8 8 to to 40 Very Soft Soft Stiff 0 to 8 8 to to 40 Very Hard Hard 0" - 2"/100 (0-50mm/100) 1" - 5"/100 (25-125mm/100) Compact Dense 40 to to 5"/100 (125mm/100) Very Stiff Hard 40 to to 5"/100 (125mm/100) Soft 4" - 6"/100 ( mm/100) Very Dense 5"/100 to 0"/100 (125mm/100 to 0mm/100) Very Hard 5"/100 to 0"/100 (125mm/100 to 0mm/100) 1) TxDOT Geotechnical Manual, Chapter 3 - Soil and Bedrock Classification & Logging (3-15) ASTM D 2488 TABLE 7 Criteria for Describing Structure Stratified Laminated Fissured Slickensided Blocky Lensed Description Homogeneous Criteria Alternating layers of varying material or color with layers at least 6 mm thick; note thickness Alternating layers of varying material or color with the layers less than 6mm thick; note thickness Breaks along definite planes of fracture with little resistance to fracturing Fracture planes appear polished or glossy, sometimes striated Cohesive soil that can be broken down into small angular lumps which resist further breakdown Inclusion of small pockets of different soils, such as small lenses of sand scattered through a mass of clay; note thickness Same color and appearance throughout Criteria for Describing Inclusions Description Parting Seam Layer Description Criteria Inclusion <1/8" thick extending through sample Inclusion 1/8" to 3" thick extending through sample Inclusion >3" thick extending through sample Terms used in Addtional Remarks on Wincore Logs PP SPT REC RQD Q U Criteria Pocket Penetration Test (tsf) Modified Standard Penetration Test (bpf) Rock Core Recovery (%) Rock Quality Designation, ASTM (D 6032) Unconsolidated Undrained Triaxial Test (tsf) Unconfined Compression Test (tsf)

77 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-1 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/26/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) 5 10 L O G Texas Cone Penetrometer 50 (4.5) 50 (4) 50 (1.25) 50 (1) Strata Description FILL, SAND, reddish tan and brown, moist, loose to dense (FILL) LIMESTONE, moderately weathered, tan, soft to hard, moist LIMESTONE, light gray, hard, dry. Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = 44 PP = 2.5 tsf % Passing No. 200 Sieve = PP = 2.0 tsf PP = 4.5+ tsf N = 50/5in. 10'-15' REC=97%/ RQD=65% (1.5) 50 (1.25) SHALE, gray to brown, soft to hard, moist '-20' REC=75%/ RQD=75% (2) 50 (2) '-25' REC=87%/ RQD=87% (1.5) 50 (1) 25'-30' REC=80%/ RQD=80% (1.5) 50 (1.25) 30'-35' REC=95%/ RQD=95% (1.25) 50 (0.75) 35'-40' REC=88%/ RQD=88% (1.25) 50 (1.25) 40'-45' REC=97%/ RQD=67% Remarks: Boring was advanced to the 10 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 10 ft, the boring was advanced to its completion depth of 45 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

78 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-1 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/26/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray to brown, soft to hard, moist. Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (0.25) 50 (0.25) LIMESTONE, light gray, very hard, dry Remarks: Boring was advanced to the 10 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 10 ft, the boring was advanced to its completion depth of 45 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

79 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-2 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/31/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) 5 L O G Texas Cone Penetrometer 50 (4) 50 (5) Strata Description FILL, HMAC (10 inches) FILL, SAND, reddish brown and brown, moist, loose. (FILL) CLAY, sandy, tan, moist, hard. (CL) LIMESTONE, moderately weathered, tan, soft, moist, fractured, with intermittent clay seams Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = 39 PP = 4.5 tsf % Passing No. 200 Sieve = 61 PP = 4.5+ tsf N = 50/3in (2) 50 (0.75) LIMESTONE, light gray, hard to very hard, dry, fractured, with intermittent shale lenses '-15' REC=65%/ RQD=48% (1) 50 (1.25) SHALE, gray, soft, moist, calcareous, with intermittent limestone seams 15'-20' REC=97%/ RQD=63% LIMESTONE, light gray, hard to very hard, dry, fractured, with interbedded shale seams (0.5) 50 (0.25) '-25' REC=98%/ RQD=55% (0.75) 50 (0.25) 25'-30' REC=100%/ RQD=77% (0.5) 50 (0.5) SHALE, gray to brown, soft to hard, moist, fissile '-35' REC=98%/ RQD=88% (0.75) 50 (1) 35'-40' REC=97%/ RQD=97% (0.5) 50 (1) 40'-45' REC=85%/ RQD=85% Remarks: Boring was advanced to the 10 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 10 ft, the boring was advanced to its completion depth of 50 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

80 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-2 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/31/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray to brown, soft to hard, moist, fissile Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks (1) 50 (1) 45'-50' REC=97%/ RQD=97% (1.25) 50 (0.75) Remarks: Boring was advanced to the 10 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 10 ft, the boring was advanced to its completion depth of 50 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

81 DRILLING LOG 1 of 1 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-3 Structure North Tarrant Express Station Offset 1.13 LT District Fort Worth Date 3/13/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) 5 L O G Texas Cone Penetrometer 50 (5.5) 50 (4.25) Strata Description FILL, SAND, brown, compact, moist, with trace calcareous nodules. (FILL) CLAY, brown, very stiff, moist, with fine grained sand. (CH) CLAY, tan, stiff to hard, dry, calcareous. (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = 37 PP = 3.0 tsf % Passing No. 200 Sieve = N = 44 bpf N = 47 bpf (6) 33 (6) 12.3 N = 24 bpf (6) 30 (6) 15.0 N = 31 bpf (6) 32 (6) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was not encountered above that depth. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

82 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-4 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/29/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 6 (6) 5 (6) 11 (6) 11 (6) 50 (5) 50 (3.25) Strata Description FILL, HMAC (12 inches) CLAY, dark brown to brown, moist, soft, with trace calcareous nodules. (CH) CLAY, brown, moist, stiff (CH) CLAY, sandy, light brown, moist, stiff (CL) SAND, tan, dry to saturated, slightly compact GRAVEL, tan, wet, dense Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 21.8 PP = 2.0 tsf Additional Remarks 19.2 PP = 1.75 tsf PP = 3.0 tsf 26.4 % Passing No. 200 Sieve = PP = 4.0 tsf PP = 4.5 tsf PP = 4.5 tsf % Passing No. 200 Sieve = % Passing No. 200 Sieve = 8 N = (1.25) 50 (0.25) LIMESTONE, moderately weathered, tan, hard, moist, fractured, with intermittent clay seams SHALE, gray, hard, moist, calcareous, with intermittent limestone seams N = 50/4in (0.25) 50 (0.25) LIMESTONE, light gray, very hard, dry, with intermittent shale lenses SHALE, gray, hard, moist, calcareous, with intermittent limestone lenses 25'-30' REC=100%/ RQD=87% (1.75) 50 (2) 30'-35' REC=93%/ RQD=75% (0.75) 50 (0.25) LIMESTONE, light gray, hard to very hard, dry, with intermittent shale lenses '-40' REC=98%/ RQD=75% (0.5) 50 (0.25) SHALE, gray, very hard, moist, calcareous, with intermittent limestone lenses 40'-45' REC=98%/ RQD=78% Remarks: Boring was advanced to the 25 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 25 ft, the boring was advanced to its completion depth of 60 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

83 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-4 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/29/10 Grnd. Elev ft GW Elev ft Elev. (ft) 45 L O G Texas Cone Penetrometer 50 (0.5) 50 (0.25) Strata Description SHALE, gray, very hard, moist, LIMESTONE, calcareous, light with gray, intermittent very hard, limestone dry, with intermittent lenses shale lenses SHALE, gray, soft to very hard, moist, calcareous, with intermittent limestone lenses Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks 45'-50' REC=98%/ RQD=92% (0.5) 50 (0.25) 50'-55' REC=100%/ RQD=95% (1) 50 (0.5) 55'-60' REC=98%/ RQD=98% (1) 50 (0.75) Remarks: Boring was advanced to the 25 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 25 ft, the boring was advanced to its completion depth of 60 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

84 DRILLING LOG 1 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-5 Structure North Tarrant Express Station Offset 7.77 LT District Fort Worth Date 3/23/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 10 L O G Texas Cone Penetrometer 4 (6) 5 (6) 5 (6) 4 (6) Strata Description FILL, clay, brown, moist, soft to very stiff, with trace gravel (FILL) FILL, sand, tan, wet, loose (FILL) FILL, clay, brown, moist, soft to stiff (FILL) FILL, sand, tan to reddish tan, moist, loose, with trace gravel (FILL) FILL, sand, reddish tan, moist to wet, slight compact, with interbedded clay seams and cemented sand fragments Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 16 PP = 3.0 tsf Additional Remarks % Passing No. 200 Sieve = PP = 3.5 tsf 22.1 PP = 1.25 tsf PP = 3.0 tsf % Passing No. 200 Sieve = 45 PP = 1.0 tsf 17.5 N = 14 bpf (6) 7 (6) FILL, brown and gray, moist, soft to stiff, with few calcareous particles (FILL) (6) 13 (6) % Passing No. 200 Sieve = 69 PP = 3.75 tsf 25 9 (6) 8 (6) 13.0 N = 14 bpf (6) 12 (6) 22.8 PP = 4.0 tsf PP = 4.0 tsf (6) 18 (6) % Passing No. 200 Sieve = 97 PP = 4.0 tsf (6) 18 (6) 26.0 PP = 4.25 tsf PP = 4.25 tsf Remarks: Boring was advanced to the 90 ft depth using dry drilling technology and groundwater was encountered at the 45 ft depth. Below 90 ft, the boring was advanced to its completion depth of 100 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

85 DRILLING LOG 2 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-5 Structure North Tarrant Express Station Offset 7.77 LT District Fort Worth Date 3/23/10 Grnd. Elev ft GW Elev ft Elev. (ft) 45 L O G Texas Cone Penetrometer 9 (6) 10 (6) Strata Description FILL, brown and gray, moist, soft to stiff, with few calcareous particles (FILL) CLAY, brown and gray, moist to saturated, soft (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) PP = 2.0 tsf Additional Remarks PP = 0.75 tsf PP = 1.0 tsf 50 7 (6) 7 (6) % Passing No. 200 Sieve = (6) 38 (6) SAND, tan, wet, loose, slightly compact (SP) GRAVEL, tan, wet compact to dense (GP-GC) 14.7 N = 30 bpf 55'-60' REC=92%/ RQD=80% (6) 7 (6) CLAY, gray and brown, moist, soft, trace calcareous nodules (CL) % Passing No. 200 Sieve = 80 N = 11 bpf (6) 8 (6) CLAY, brown and gray, wet, very soft to soft (CL) % Passing No. 200 Sieve = 72 PP = 0.5 tsf 20.7 PP = 0.5 tsf (6) 5 (6) CLAY, sandy, gray and brown, wet, soft (CL) PP = 0.5 tsf % Passing No. 200 Sieve = (6) 5 (6) PP = 0.5 tsf (6) 50 (5) GRAVEL, tan, moist, compact to dense, with fat clay seams. (GP-GC) N = 67 bpf Remarks: Boring was advanced to the 90 ft depth using dry drilling technology and groundwater was encountered at the 45 ft depth. Below 90 ft, the boring was advanced to its completion depth of 100 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

86 DRILLING LOG 3 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-5 Structure North Tarrant Express Station Offset 7.77 LT District Fort Worth Date 3/23/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description GRAVEL, tan, moist, compact to dense, with fat clay seams. (GP-GC) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks N = 94 bpf (3.25) 50 (2.75) (0.5) 50 (0.25) SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, very hard, SHALE, dry gray and brown, soft, moist, calcareous, with intermittent limestone seams N = 60 bpf 90'-95' REC=98%/ RQD=83% (2.5) 50 (2) '-100' REC=92%/ RQD=85% (1) 50 (1) Remarks: Boring was advanced to the 90 ft depth using dry drilling technology and groundwater was encountered at the 45 ft depth. Below 90 ft, the boring was advanced to its completion depth of 100 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

87 DRILLING LOG 1 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-6 Structure North Tarrant Express Station Offset 2.14 LT District Fort Worth Date 3/24/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 11 (6) 4 (6) 18 (6) 6 (6) Strata Description FILL, CLAY, reddish tan and brown, moist, soft, with trace gravel and intermittent sand seams (FILL) FILL, CLAY, brown, moist, soft, with trace calcareous nodules (FILL) FILL, SAND, reddish tan, moist, loose to dense, with few cemented sand fragments (FILL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 15.3 PP = 3.5 tsf PP = 2.0 tsf PP = 1.5 tsf 16.5 PP = 3.5 tsf PP = 3.0 tsf PP = 3.0 tsf PP = 2.5 tsf 24.5 PP = 4.5+ tsf Additional Remarks PP = 0.5 tsf (5.5) 50 (2.25) % Passing No. 200 Sieve = (6) 15 (6) FILL, CLAY, tan and brown, moist, stiff to very stiff (FILL) 18.5 N = 25 bpf (6) 11 (6) N = 11 bpf % Passing No. 200 Sieve = (6) 10 (6) CLAY, dark brown and gray, moist, soft to stiff, with trace calcareous nodules (CL) 19.5 N = 8 bpf 19.8 PP = 4.0 tsf 35 9 (6) 12 (6) PP = 3.5 tsf % Passing No. 200 Sieve = (6) 17 (6) PP = 4.5 tsf Remarks: Boring was advanced to the 85 ft depth using dry drilling technology and groundwater was encountered at the 18 ft depth. Below 85 ft, the boring was advanced to its completion depth of 100 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

88 DRILLING LOG 2 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-6 Structure North Tarrant Express Station Offset 2.14 LT District Fort Worth Date 3/24/10 Grnd. Elev ft GW Elev ft Elev. (ft) 45 L O G Texas Cone Penetrometer 14 (6) 14 (6) Strata Description CLAY, dark brown and gray, moist, soft to stiff, with trace calcareous nodules (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 18.0 PP = 3.25 tsf PP = 3.25 tsf Additional Remarks % Passing No. 200 Sieve = (6) 14 (6) PP = 3.0 tsf (6) 8 (6) CLAY, light brown and gray, moist to wet, soft, with trace calcareous nodules (CL) PP = 1.75 tsf % Passing No. 200 Sieve = (6) 17 (6) CLAY, sandy, light brown, wet, soft, with trace calcareous nodules (CL) SAND, light brown, wet, slightly compact (SC) 16.8 PP = 1.0 tsf PP = 0.5 tsf (6) 26 (6) SAND, tan, moist to wet, loose to compact, with intermittent clayey sand seams (SP) 14.2 N = 10 bpf 15.4 N = 21 bpf (6) 49 (6) GRAVEL, tan, wet, compact to dense, with few clay seams (GP-GC) 10.3 N = 42 bpf (5.5) 34 (6) 8.5 N = 55 bpf (3) 50 (3) Remarks: Boring was advanced to the 85 ft depth using dry drilling technology and groundwater was encountered at the 18 ft depth. Below 85 ft, the boring was advanced to its completion depth of 100 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

89 DRILLING LOG 3 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-6 Structure North Tarrant Express Station Offset 2.14 LT District Fort Worth Date 3/24/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray and brown, soft to very hard, moist, calcareous, with intermittent limestone seams Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (2) 50 (1.5) 16.0 N = 69 bpf 85'-90' REC=93%/ RQD=85% (0.25) 50 (0.25) 90'-95' REC=100%/ RQD=98% (0.5) 50 (0.25) 95'-100' REC=87%/ RQD=60% (0.5) 50 (0.25) Remarks: Boring was advanced to the 85 ft depth using dry drilling technology and groundwater was encountered at the 18 ft depth. Below 85 ft, the boring was advanced to its completion depth of 100 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

90 DRILLING LOG 1 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-7 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/19/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 10 L O G Texas Cone Penetrometer 6 (6) 7 (6) 9 (6) 10 (6) Strata Description FILL, CLAY, dark brown, moist, soft, with trace gravel (FILL) CLAY, brown, moist, soft to stiff, with trace calcareous nodules (CH) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 2.5 tsf PP = 2.0 tsf % Passing No. 200 Sieve = PP = 3.5 tsf PP = 3.75 tsf 20.3 PP = 3.5 tsf PP = 3.5 tsf PP = 3.5 tsf 15 8 (6) 11 (6) % Passing No. 200 Sieve = PP = 3.5 tsf (6) 12 (6) PP = 3.25 tsf (6) 9 (6) CLAY, light brown and gray, moist to saturated, soft, with trace calcareous nodules (CL) PP = 1.5 tsf PP = 1.75 tsf PP = 0.75 tsf 30 4 (6) 5 (6) PP = 1.0 tsf (6) 4 (6) CLAY, light brown and gray, moist to wet, very soft to soft (CL) % Passing No. 200 Sieve = 60 PP = 0.5 tsf (6) 3 (6) SAND, clayey, light brown and gray, wet, very loose (SC-SM) % Passing No. 200 Sieve = 48 PP = 0.5 tsf Remarks: Boring was advanced to the 65 ft depth using dry drilling technology and groundwater was encountered at the 23 ft depth. Below 65 ft, the boring was advanced to its completion depth of 85 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

91 DRILLING LOG 2 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-7 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/19/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SAND, clayey, light brown and gray, wet, very loose (SC-SM) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks 18.5 N = 12 bpf (6) 10 (6) SAND, tan, wet, loose to slightly compact (SP) (2) 50 (2) GRAVEL, tan, moist, compact to very dense (GP) 14.5 N = 81 bpf 8.9 N = 65 bpf (6) 50 (4.5) SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams 15.7 N = 54 bpf (2.25) 50 (1.5) (0.5) 50 (0.25) LIMESTONE, light gray, very hard, dry, with interbedded shale lenses SHALE, brown and gray, soft to very hard, moist, slightly calcareous, fossiliferous '-70' REC=90%/ RQD=83% (0.5) 50 (0.25) 70'-75' REC=98%/ RQD=92% (0.5) 50 (0.5) 75'-80' REC=98%/ RQD=98% (1) 50 (0.75) 80'-85' REC=98%/ RQD=98% Remarks: Boring was advanced to the 65 ft depth using dry drilling technology and groundwater was encountered at the 23 ft depth. Below 65 ft, the boring was advanced to its completion depth of 85 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

92 DRILLING LOG 3 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-7 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/19/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, brown and gray, soft to very hard, moist, slightly calcareous, fossiliferous Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (1) 50 (0.75) Remarks: Boring was advanced to the 65 ft depth using dry drilling technology and groundwater was encountered at the 23 ft depth. Below 65 ft, the boring was advanced to its completion depth of 85 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

93 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-8 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/14/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 24 (6) 30 (6) Strata Description SAND, clayey, reddish brown, moist, loose (SC) SAND, silty, reddish tan, moist, loose (SM) SAND, tan, slightly compact to compact, water bearing, with fine angular to rounded gravel (SP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = N = 13 bpf N = 14 bpf 13.2 N = 29 bpf (6) 16 (6) GRAVEL, tan, wet, sligthly compact, with medium to coarse sand (GP-GC) 10.4 N = 22 bpf (6) 50 (2) 50 (3) 50 (2.5) CLAY, light brown to gray, moist, stiff to very stiff, slickensided (CH) LIMESTONE, tan, hard, moist, weathered, fractured, with intermittent clay seams SHALE, gray, soft, moist, calcareous, with intermittent limestone seams 10.4 N = 32 bpf 20'-25' REC=90%/ RQD=58% (1) 50 (0.75) LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams SHALE, gray, hard, moist, fissile 25'-30' REC=97%/ RQD=83% (0.5) 50 (0.75) 30'-35' REC=80%/ RQD=80% (1.25) 50 (1) LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams 35'-40' REC=97%/ RQD=65% (0.5) 50 (0.25) SHALE, gray, soft to hard, moist 40'-45' REC=98%/ RQD=70% Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 4 ft depth. Below 20 ft, the boring was advanced to its completion depth of 45 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

94 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-8 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/14/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray, soft to hard, moist Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (0.5) 50 (0.25) LIMESTONE, light gray, very hard, dry, with interbedded cemented SHALE, lensesgray, soft to hard, moist, calcareous, with intermittent limestone seams Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 4 ft depth. Below 20 ft, the boring was advanced to its completion depth of 45 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

95 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-9 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/14/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 10 L O G Texas Cone Penetrometer 7 (6) 8 (6) 4 (6) 5 (6) Strata Description FILL, SANDY CLAY, dark brown, moist, soft (FILL) CLAY, light brown, moist, soft, with trace calcareous nodules (CH) CLAY, light brown, moist, soft (CL) SAND, reddish tan, moist, loose (SP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 2.5 tsf PP = 2.0 tsf PP = 2.0 tsf 17.8 PP = 2.0 tsf PP = 2.5 tsf 15.7 % Passing No. 200 Sieve = 6 N = 8 bpf (1.5) 50 (0.5) 50 (0.5) 50 (1.25) GRAVEL, tan, wet, compact (GP) LIMESTONE, tan, hard to very hard, dry, weathered, fractured LIMESTONE, light gray, hard to very hard, dry, with intermittent shale lenses 12.8 N = 27 bpf 20'-25' REC=93%/ RQD=72% SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams (1) 50 (0.5) SHALE, gray, soft, moist, fissile 25'-30' REC=98%/ RQD=98% (2.5) 50 (5) 30'-35' REC=87%/ RQD=72% (0.5) 50 (0.5) 50 (0.5) 50 (0.25) SHALE, gray, soft, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, hard to very hard, dry, with interbedded shale lenses SHALE, gray, soft to hard, moist, calcareous LIMESTONE, light gray, very hard, dry, with interbedded shale seams 35'-40' REC=98%/ RQD=48% 40'-45' REC=93%/ RQD=63% Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 8 ft depth. Below 20 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

96 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-9 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/14/10 Grnd. Elev ft GW Elev ft 455. Elev. (ft) 45 L O G Texas Cone Penetrometer 50 (0.5) 50 (0.25) Strata Description LIMESTONE, light gray, very hard, dry, with interbedded shale seams SHALE, gray, very hard, moist, calcareous, with intermittent limestone seams Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks 45'-50' REC=98%/ RQD=85% (1) 50 (1) SHALE, gray, hard to very hard, moist, fissile 50'-55' REC=97%/ RQD=97% (1.5) 50 (1) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 8 ft depth. Below 20 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

97 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-10 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/4/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 10 L O G Texas Cone Penetrometer 7 (6) 8 (6) 7 (6) 7 (6) Strata Description FILL, SANDY CLAY, reddish brown, moist, soft, with fine-grained sand, iron stains, and fine rounded to subrounded gravel (FILL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 3.5 tsf 15.7 PP = 4.5+ tsf 12.3 PP = 4.5+ tsf PP = 4.5 tsf 11.0 PP = 4.5+ tsf 12.2 PP = 4.5+ tsf 14.6 PP = 4.5+ tsf (6) 7 (6) FILL, CLAY, light gray, moist, soft, with fine grained sand (FILL) % Passing No. 200 Sieve = PP = 4.25 tsf (6) 11 (6) CLAY, sandy, light gray and yellowish brown, stiff, with fine grained sand (CL) % Passing No. 200 Sieve = PP = 4.5+ tsf (6) 10 (6) SAND, yellowish brown, moist, loose (SP-SC) % Passing No. 200 Sieve = PP = 4.5+ tsf (6) 25 (6) CLAY, light brown and gray, moist, stiff to very stiff, shaley, slickensided (CH) N = 22 bpf (2) 25 (2) 50 (0.5) 50 (0.25) 50 (0.25) 50 (0.25) LIMESTONE, light gray, very hard, dry, with intermittent shale seams, argillaceous SHALE, gray, soft to hard, moist, calcareous LIMESTONE, light gray, very hard, dry, with intermittent shale seams '-40' REC=93%/ RQD=82% 40'-45' REC=98%/ RQD=75% Remarks: Boring was advanced to the 35 ft depth using dry drilling technology and groundwater was encountered at the 28 ft depth. Below 35 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

98 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-10 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/4/10 Grnd. Elev ft GW Elev ft Elev. (ft) 45 L O G Texas Cone Penetrometer 50 (0.75) 50 (0.5) Strata Description LIMESTONE, light gray, very hard, dry, with intermittent shale seams SHALE, gray, hard to very hard, moist, calcareous, with intermittent limestone layers Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks 45'-50' REC=65%/ RQD=33% (1.5) 50 (1) 50'-55' REC=97%/ RQD=97% (0.25) 50 (0.25) LIMESTONE, light gray, very hard, dry, with intermittent shale lenses Remarks: Boring was advanced to the 35 ft depth using dry drilling technology and groundwater was encountered at the 28 ft depth. Below 35 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

99 DRILLING LOG 1 of 1 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-11 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/4/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 10 (6) 12 (6) 9 (6) 10 (6) Strata Description CLAY, light gray and yellowish brown, moist to wet, soft to stiff, with iron stains and trace calcareous nodules (CL) SAND, yellow, very loose, water bearing, with fine grained sand (SP) CLAY, light gray, moist, soft, slickensided, with iron stains (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 2.5 tsf 20.8 PP = 2.0 tsf 23.4 PP = 2.5 tsf % Passing No. 200 Sieve = PP = 0.5 tsf 15.4 N = 7 bpf % Passing No. 200 Sieve = (0.5) 50 (0.5) LIMESTONE, light gray, hard to very hard, argillaceous, with intermittent shale seams SHALE, gray, soft to hard, moist, slightly calcareous, with intermittent limestone seams 15'-20' REC=100%/ RQD=97% (0.25) 50 (0.25) LIMESTONE, light gray, very hard, dry, with occasional shale lenses 20'-25' REC=70%/ RQD=63% SHALE, gray, medium hard, moist, calcareous (1.5) 50 (1) 25'-30' REC=97%/ RQD=97% (2) 50 (1) 30'-35' REC=88%/ RQD=85% LIMESTONE, light gray, very hard, dry, with intermittent shale lenses (0.25) 50 (0.25) 40 Remarks: Boring was advanced to the 15 ft depth using dry drilling technology and groundwater was encountered at the 7.5 ft depth. Below 15 ft, the boring was advanced to its completion depth of 35 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

100 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-12 Structure North Tarrant Express Station Offset 7.77 LT District Fort Worth Date 3/31/10 Grnd. Elev ft GW Elev ft 517. Elev. (ft) L O G Texas Cone Penetrometer 8 (6) 7 (6) 2 (6) 5 (6) Strata Description FILL, CLAY, brown, moist, soft, with, trace gravel (FILL) FILL, CLAY, dark brown, moist, soft to stiff (FILL) FILL, SANDY CLAY, brown, moist, very soft to soft, trace gravel (FILL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 2.5 tsf % Passing No. 200 Sieve = PP = 4.5+ tsf PP = 4.0 tsf PP = 3.25 tsf 16.6 PP = 4.0 tsf PP = 2.0 tsf PP = 2.0 tsf (6) 12 (6) SAND, clayey, reddish brown, slightly compact (SC) PP = 4.5+ tsf (6) 8 (6) SAND, silty, brown, dry, loose, with trace organics (SM) 13.9 PP = 1.0 tsf PP = 1.0 tsf (6) 16 (6) 2 (6) 3 (6) SAND, tan, dry, slightly compact, with few clay lenses (SP) GRAVEL, tan, wet, slightly compact (GP) CLAY, tan, moist to wet, very soft, with intermittent silty sand lenses and trace organics (CL) 6.3 N = 18 bpf N = 11 bpf SAND, clayey, tan, wet, very loose to loose (SC) 21.6 N = 2 bpf 35 5 (6) 10 (6) SAND, tan, wet, slightly compact (SC-SM) 15.5 N = 18 bpf 40 9 (6) 17 (6) Remarks: Boring was advanced to the 50 ft depth using dry drilling technology and groundwater was encountered at the 25 ft depth. Below 50 ft, the boring was advanced to its completion depth of 80 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

101 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-12 Structure North Tarrant Express Station Offset 7.77 LT District Fort Worth Date 3/31/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SAND, tan, wet, slightly compact (SC-SM) GRAVEL, tan, wet, compact, with trace clay lenses (GP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 14.1 N = 61 bpf Additional Remarks (3.5) 50 (3.25) 50 (1) 50 (0.75) LIMESTONE, moderately weathered, tan, soft, moist, fractured, with intermittent gravel seams LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams SHALE, gray, hard to very hard, calcareous, with limestone seams 50'-55' REC=97%/ RQD=85% (0.5) 50 (1) LIMESTONE, light gray, hard to very hard, dry, with shale seams SHALE, gray, hard to very hard, dry, calcareous, with intermittent limestone lenses '-60' REC=98%/ RQD=98% (0.5) 50 (0.25) '-65' REC=95%/ RQD=90% SHALE, gray and brown, soft to very hard, moist (2) 50 (2) '-70' REC=93%/ RQD=93% (1) 50 (1.5) 70'-75' REC=97%/ RQD=97% (1.25) 50 (1) 75'-80' REC=97%/ RQD=97% (0.5) 50 (0.25) Remarks: Boring was advanced to the 50 ft depth using dry drilling technology and groundwater was encountered at the 25 ft depth. Below 50 ft, the boring was advanced to its completion depth of 80 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

102 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-15 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/15/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 10 L O G Texas Cone Penetrometer 8 (6) 7 (6) 9 (6) 9 (6) Strata Description FILL, SANDY CLAY, reddish brown, moist, soft, with gravel (FILL) CLAY, reddish brown, moist, soft, with trace gravel (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = 56 PP = 1.0 tsf % Passing No. 200 Sieve = PP = 3.5 tsf PP = 4.0 tsf 13.3 PP = 2.75 tsf PP = 3.0 tsf PP = 2.0 tsf % Passing No. 200 Sieve = (6) 4 (6) PP = 1.5 tsf 17.8 N = 8 bpf 20 6 (6) 6 (6) (6) 25 (6) SAND, tan and light gray, wet, loose to compact (SC-SM) SAND, silty, tan, wet, compact (SM) 20.4 % Passing No. 200 Sieve = 71 PP = 1.0 tsf (5) 50 (6) 50 (0.5) 50 (0.5) GRAVEL, tan, wet, dense (GP-GC) LIMESTONE, tan to gray, hard to very hard, dry SHALE, gray, hard, moist, calcareous, with intermittent limestone seams 21.1 % Passing No. 200 Sieve = (1) 50 (0.5) 35'-40' REC=80%/ RQD=32% (0.5) 50 (0.25) LIMESTONE, light gray, hard to very hard, dry SHALE, gray, very hard, moist 40'-45' REC=98%/ RQD=90% Remarks: Boring was advanced to the 35 ft depth using dry drilling technology and groundwater was encountered at the 18 ft depth. Below 35 ft, the boring was advanced to its completion depth of 45 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

103 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-15 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/15/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray, very hard, moist Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks SHALE, gray, hard, moist, fissile (1.5) 50 (1.5) 45'-50' REC=95%/ RQD=95% (0.5) 50 (0.5) Remarks: Boring was advanced to the 35 ft depth using dry drilling technology and groundwater was encountered at the 18 ft depth. Below 35 ft, the boring was advanced to its completion depth of 45 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

104 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-16 Structure North Tarrant Express Station Offset RT District Fort Worth Date 4/1/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) 5 L O G Texas Cone Penetrometer 40 (6) 50 (2.5) Strata Description SAND, clayey, reddish brown, moist, slightly compact (SC) GRAVEL, reddish brown to reddish tan, dry, compact to dense, with intermittent clay seams (GP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 4.5+ tsf 5.8 N = 24 bpf 7.3 N = 48 bpf (3.5) 50 (1.5) LIMESTONE, moderately weathered, tan, soft to hard, moist, fractured, with intermittent clay seams N = 50/4in (2) 50 (0.5) LIMESTONE, light gray, hard to very hard, dry, with interbedded shale seams (1) 50 (0.75) 20'-25' REC=100%/ RQD=82% (0.5) 50 (0.25) 25'-30' REC=98%/ RQD=63% (1) 50 (0.5) SHALE, gray, hard, moist, with intermittent limestone lenses LIMESTONE, light gray, hard to very hard, dry, with interbedded shale seams '-35' REC=98%/ RQD=58% (0.5) 50 (0.25) 35'-40' REC=98%/ RQD=58% (0.5) 50 (0.25) 40'-45' REC=98%/ RQD=88% Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 20 ft, the boring was advanced to its completion depth of 50 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

105 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-16 Structure North Tarrant Express Station Offset RT District Fort Worth Date 4/1/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) 45 L O G Texas Cone Penetrometer 50 (1) 50 (1.5) Strata Description LIMESTONE, light gray, hard to very hard, dry, with interbedded shale seams SHALE, gray to brown, hard, moist, fissile Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks 45'-50' REC=95%/ RQD=95% (1) 50 (1) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 20 ft, the boring was advanced to its completion depth of 50 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

106 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-17 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/5/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) L O G Texas Cone Penetrometer 40 (6) 50 (5.5) 50 (4.5) 50 (4) Strata Description CLAY, sandy, reddish gray, moist, soft, with fine grained sand (CL) SAND, yellow, dry, compact to very dense, with fine to coarse sand and fine angular to subangular gravel (SP) LIMESTONE, tan, soft to hard, dry, weathered, fractured, with interbedded clay seams Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 15.8 PP = 2.75 tsf PP = 2.75 tsf 13.5 PP = 2.75 tsf 15.3 PP = 4.5+ tsf N = 36 bpf Additional Remarks (1) 50 (0.5) LIMESTONE, light gray, hard to very hard, dry, fossiliferous, fractured, with intermittent shale lenses 15'-20' REC=98%/ RQD=50% (4) 50 (3) SHALE, gray, soft, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, very hard, dry, with intermittent shale lenses 20'-25' REC=70%/ RQD=48% (0.25) 50 (0.25) 25'-30' REC=95%/ RQD=55% (0.5) 50 (0.25) 30'-35' REC=90%/ RQD=68% (3) 50 (2) SHALE, brown and gray, soft to very hard, moist, calcareous 35'-40' REC=88%/ RQD=88% (1.75) 50 (1) 40'-45' REC=95%/ RQD=95% Remarks: Boring was advanced to the 15 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 15 ft, the boring was advanced to its completion depth of 60 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

107 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-17 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/5/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, brown and gray, soft to very hard, moist, calcareous Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (1.5) 50 (1) 45'-50' REC=87%/ RQD=83% (1) 50 (1) 50'-55' REC=43%/ RQD=43% (1) 50 (0.5) 55'-60' REC=93%/ RQD=93% (1) 50 (0.75) Remarks: Boring was advanced to the 15 ft depth using dry drilling technology and groundwater was not encountered above that depth. Below 15 ft, the boring was advanced to its completion depth of 60 ft using wet drilling technology. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

108 DRILLING LOG 1 of 1 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-18 Structure North Tarrant Express Station Offset RT District Fort Worth Date 4/1/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 4 (6) 5 (6) Strata Description FILL, gravel, light brown, dry FILL, loose clay, (FILL) brown and tan, moist, soft, with trace calcareous nodules (FILL) SAND, clayey, reddish brown, moist, loose, with trace gravel (SC) GRAVEL, reddish tan, moist to saturated, slightly compact (GP) 50 (1.25) 50 (0.25) SAND, clayey, tan, wet, very dense GRAVEL, (SC) tan, wet, dense, with intermittent clay lenses (GP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 9.4 PP = 2.5 tsf PP = 2.0 tsf PP = 2.0 tsf 21.8 PP = 2.0 tsf PP = 1.0 tsf Additional Remarks PP = 4.5+ tsf 7.9 N = 39 bpf 9.8 N = 57 bpf (3) 50 (1) 50 (1.75) 50 (1) CLAY, tan, moist, very hard, calcareous, LIMESTONE, blocky (CL) moderately weathered, tan, soft to hard LIMESTONE, light gray, hard, dry, with intermittent shale seams N = 50/3in Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was not encountered above that depth. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

109 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-19 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/18/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 4 (6) 6 (6) 8 (6) 10 (6) 5 (6) 5 (6) Strata Description FILL, SANDY CLAY, reddish brown, moist, soft, with trace gravel (FILL) FILL, SILTY SAND, reddish brown, CLAY, very dark loose gray (FILL) to brown, moist, soft, with trace calcareous nodules (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) 24 PP = 1.5 tsf 17.3 PP = 1.5 tsf Additional Remarks % Passing No. 200 Sieve = PP = 3.0 tsf % Passing No. 200 Sieve = 51 PP = 3.0 tsf 20.7 PP = 0.75 tsf 17.3 PP = 4.0 tsf % Passing No. 200 Sieve = 48 PP = 2.0 tsf PP = 2.0 tsf 14.0 PP = 2.0 tsf (1) 50 (0.75) 50 (1) 50 (0.5) CLAY, gravelly, brown and gray, moist to wet, soft to stiff (CL) LIMESTONE, moderately weathered, tan, hard to very hard, moist CLAY, light brown and gray, hard LIMESTONE, (CH) moderately weathered, tan, hard to very hard, moist, fractured, with interbedded clay seams LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams % Passing No. 200 Sieve = 60 N = 50/4in. N = 50/5in. 25'-30' REC=97%/ RQD=57% (0.75) 50 (0.25) SHALE, gray and brown, soft to hard, moist, fissile 30'-35' REC=98%/ RQD=95% (1.5) 50 (1.5) '-40' REC=67%/ RQD=67% (1.5) 50 (1.5) 40'-45' REC=95%/ RQD=95% Remarks: Boring was advanced to the 25 ft depth using dry drilling technology and groundwater was encountered at the 8 ft depth. Below 25 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

110 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-19 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/18/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray and brown, soft to hard, moist, fissile Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (2) 50 (2) '-50' REC=93%/ RQD=93% (0.75) 50 (0.75) 50'-55' REC=98%/ RQD=98% (1.5) 50 (0.75) Remarks: Boring was advanced to the 25 ft depth using dry drilling technology and groundwater was encountered at the 8 ft depth. Below 25 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

111 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-20 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/20/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 18 (6) 10 (6) 50 (3.5) 50 (3.5) Strata Description CLAY, sandy, brown, moist, stiff (CL) SAND, silty, tan, dry, loose (SM) GRAVEL, clayey, tan, slightly compact, dry to water bearing (GP-GC) LIMESTONE, tan, soft, moist, weathered, fractured SHALE, light brown and gray, soft, moist, slickensided, with intermittent weathered limestone seams Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = 52 PP = 4.5+ tsf 10.6 % Passing No. 200 Sieve = N = 11 bpf 7.4 N = 48 bpf 10.4 % Passing No. 200 Sieve = 13 N = 50/4in PP = 4.5+ tsf (2) 50 (1) 50 (1) 50 (0.5) LIMESTONE, tan, hard, dry, weathered, fractured LIMESTONE, light gray, hard to very hard, dry, fractured, with interbedded shale lenses SHALE, gray, soft to hard, moist, calcareous, with intermittent limestone seams LIMESTONE, light gray, hard to very hard, dry, with intermittent shale seams 20'-25' REC=97%/ RQD=62% (0.25) 50 (0.25) SHALE, gray and brown, soft to hard, moist, fissile 25'-30' REC=99%/ RQD=93% (1.75) 50 (2) 30'-35' REC=88%/ RQD=88% (1) 50 (1) 35'-40' REC=70%/ RQD=62% (1) 50 (0.75) 40'-45' REC=97%/ RQD=97% Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 8.5 ft depth. Below 20 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

112 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-20 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/20/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray and brown, soft to hard, moist, fissile Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (1) 50 (0.75) 45'-50' REC=78%/ RQD=78% (1) 50 (1) 50'-55' REC=90%/ RQD=90% (1) 50 (1) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 8.5 ft depth. Below 20 ft, the boring was advanced to its completion depth of 55 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

113 DRILLING LOG 1 of 1 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-21 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/13/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 5 (6) 7 (6) Strata Description FILL, SANDY CLAY, dark gray and brown, moist, very stiff, with fine grained sand (FILL) CLAY, sandy, yellow, moist, soft (CL) CLAY, sandy, yellow, moist, soft (CL) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks PP = 2.25 tsf, fine-grained sa % Passing No. 200 Sieve = % Passing No. 200 Sieve = PP = 2.0 tsf 10 5 (6) 8 (6) PP = 1.0 tsf % Passing No. 200 Sieve = (6) 25 (6) SAND, clayey, wet, compact to very dense (SC) PP = 4.5+ tsf 16.9 N = 50/3in (3.5) 50 (0.25) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was not encountered above that depth. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

114 DRILLING LOG 1 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-22 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/13/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 10 L O G Texas Cone Penetrometer 7 (6) 11 (6) 7 (6) 7 (6) Strata Description CLAY, sandy, reddish brown, moist, soft (CL) SAND, silty, reddish tan, dry, loose (SM) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks % Passing No. 200 Sieve = PP = 4.0 tsf 12.4 PP = 4.0 tsf PP = 3.0 tsf PP = 2.0 tsf PP = 2.0 tsf 11.0 % Passing No. 200 Sieve = N = 8 bpf 2.4 N = 14 bpf (6) 29 (6) SAND, tan, dry, loose to compact (SP) 3.8 N = 30 bpf 20 8 (6) 10 (6) 4.1 N = 6 bpf 25 4 (6) 2 (6) SAND, reddish tan, dry, slightly compact to compact (SP) 3.7 N = 15 bpf (6) 23 (6) N = 14 bpf (6) 33 (6) N = 35 bpf (6) 28 (6) Remarks: Boring was advanced to the 60 ft depth using dry drilling technology and groundwater was encountered at the 35 ft depth. Below 60 ft, the boring was advanced to its completion depth of 75 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

115 DRILLING LOG 2 of 2 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-22 Structure North Tarrant Express Station Offset LT District Fort Worth Date 3/13/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SAND, reddish tan, dry, slightly compact to compact (SP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks 19.9 N = 8 bpf (6) 43 (6) GRAVEL, tan, wet, compact, fine to coarse (GP) (6) 50 (6) CLAY, light brown and gray, moist, hard, slickensided (CH) N = 41 bpf (1.5) 50 (1.5) LIMESTONE, light gray, hard to SHALE, very hard, gray, dry very hard, moist, with intermittent limestone seams (0.5) 50 (0.25) 60'-65' REC=88%/ RQD=50% (1.5) 50 (0.5) LIMESTONE, light gray, hard to very hard, dry, with intermittent shale lenses SHALE, gray, hard to very hard, moist, with intermittent limestone lenses and seams 65'-70' REC=93%/ RQD=75% (0.5) 50 (0.5) 70'-75' REC=90%/ RQD=90% (1) 50 (0.75) 80 Remarks: Boring was advanced to the 60 ft depth using dry drilling technology and groundwater was encountered at the 35 ft depth. Below 60 ft, the boring was advanced to its completion depth of 75 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4.clg

116 DRILLING LOG 1 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-23 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/12/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer 4 (6) 5 (6) 14 (6) 13 (6) 3 (6) 5 (6) 11 (6) 6 (6) Strata Description FILL, CLAYEY SAND, reddish brown, moist, loose, with trace gravel (FILL) SAND, silty, reddish brown, moist to dry, loose (SM) SAND, clayey, reddish brown, moist, loose (SC) SAND, silty, reddish tan, dry, very loose to slightly compact, with intermittent clay lenses and trace gravel (SM) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties Wet MC LL PI Den. (pcf) Additional Remarks 16 % Passing No. 200 Sieve = PP = 2.5 tsf N = 13 bpf PP = 2.5 tsf PP = 2.5 tsf PP = 2.5 tsf PP = 2.5 tsf 11.4 PP = 0.5 tsf (6) 4 (6) GRAVEL, reddish brown, dry, loose, with fine to coarse sand (GP) SAND, reddish tan, dry, loose to slightly compact (SP) 5.3 N = 12 bpf 7.4 N = 9 bpf (6) 12 (6) 30 6 (6) 8 (6) 5.6 N = 6 bpf (6) 30 (6) GRAVEL, tan, moist to wet, slightly compact to compact, with medium to coarse sand (GP-GC) 5.6 N = 66 bpf (6) 15 (6) 10.8 N = 39 bpf Remarks: Boring was advanced to the 65 ft depth using dry drilling technology and groundwater was encountered at the 30 ft depth. Below 65 ft, the boring was advanced to its completion depth of 95 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4-2.clg

117 DRILLING LOG 2 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-23 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/12/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description GRAVEL, tan, moist to wet, slightly compact to compact, with medium to coarse sand (GP-GC) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (6) 5 (6) SAND, reddish tan, moist, loose, with intermittent silty sand partings (SC) 16.8 N = 38 bpf 6.0 % Passing No. 200 Sieve = (6) 20 (6) GRAVEL, tan, moist, compact, with intermittent clay lenses and sand partings (GP-GC) N = 30 bpf (6) 12 (6) CLAY, sandy, tan, moist, soft, with interbedded sand partings (CL) SAND, tan, moist, slightly compact with fine sub-angular to rounded gravel (SP) CLAY, light brown and gray, moist, stiff, slickensided (CH) 50 (0.25) 50 (0.25) LIMESTONE, light gray, very hard, SHALE, dry gray, soft to very hard, moist N = 10 bpf % Passing No. 200 Sieve = N = 39 bpf (3.5) 50 (1.5) 65'-70' REC=17%/ RQD=17% (2) 50 (1.75) 70'-75' REC=93%/ RQD=93% (2) 50 (1) 75'-80' REC=80%/ RQD=80% (2) 50 (1) 80'-85' REC=92%/ RQD=92% Remarks: Boring was advanced to the 65 ft depth using dry drilling technology and groundwater was encountered at the 30 ft depth. Below 65 ft, the boring was advanced to its completion depth of 95 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4-2.clg

118 DRILLING LOG 3 of 3 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-23 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/12/10 Grnd. Elev ft GW Elev ft Elev. (ft) L O G Texas Cone Penetrometer Strata Description SHALE, gray, soft to very hard, moist Triaxial Test Lateral Deviator Press. Stress (psi) (psi) MC Properties Wet LL PI Den. (pcf) Additional Remarks (0.5) 50 (0.25) 85'-90' REC=100%/ RQD=95% (0.5) 50 (0.5) 90'-95' REC=95%/ RQD=95% LIMESTONE, gray, hard to very hard, moist, argillaceous, with interbeddded shale lenses (1) 50 (0.5) Remarks: Boring was advanced to the 65 ft depth using dry drilling technology and groundwater was encountered at the 30 ft depth. Below 65 ft, the boring was advanced to its completion depth of 95 ft using wet drilling technology. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4-2.clg

119 DRILLING LOG 1 of 1 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-24 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/13/10 Grnd. Elev ft GW Elev. N/A Elev. (ft) L O G Texas Cone Penetrometer 5 (6) 3 (6) Strata Description CLAY, reddish brown, moist, soft SAND, (CL) reddish brown, dry, loose SAND, (SP) reddish brown, dry, very loose to loose, with intermittent clay lenses (SP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties MC LL PI Wet Den. Additional Remarks (pcf) NP % Passing No. 200 Sieve = 61 % Passing No. 200 Sieve = N = 13 bpf N = 5 bpf 7.6 N = 5 bpf 10.7 N = 6 bpf 10 6 (6) 4 (6) (6) 11 (6) CLAY, sandy, brown, moist, soft (CL) SAND, tan, dry, loose to compact (SP) N = 4 bpf 4.8 N = 12 bpf (6) 34 (6) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was not encountered above that depth. The ground water elevation was not determined during the course of this boring. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4-2.clg

120 DRILLING LOG 1 of 1 WinCore Version 3.1 County Tarrant Highway IH 820 CSJ NTE 4 - CDA Hole B4-25 Structure North Tarrant Express Station Offset RT District Fort Worth Date 3/31/10 Grnd. Elev ft GW Elev ft Elev. (ft) 5 L O G Texas Cone Penetrometer 16 (6) 15 (6) Strata Description FILL, SAND, reddish tan, moist, loose, with fine to medium sand SAND, and fine reddish angular tan, gravel dry, slightly compact, silty (SP) SAND, reddish tan, dry, loose to slightly compact, fine to coarse, with fine angular to sub-rounded gravel (SP) Triaxial Test Lateral Deviator Press. Stress (psi) (psi) Properties MC LL PI Wet Den. Additional Remarks (pcf) % Passing No. 200 Sieve = 25 PP = 0.5 tsf 3.6 N = 25 bpf 5.3 N = 16 bpf 9.7 N = 14 bpf 4.5 N = 20 bpf (6) 12 (6) SAND, tan, dry, slightly compact to compact (SW) 4.9 N = 18 bpf (6) 14 (6) 13.7 N = 11 bpf (6) 21 (6) Remarks: Boring was advanced to the 20 ft depth using dry drilling technology and groundwater was encountered at the 18 ft depth. Any ground water elevation information provided on this boring log is representative of conditions existing on the day and for the specific location where this information was collected. The actual groundwater elevation may fluctuate due to time, climatic conditions, and/or construction activity. Driller: Terra Testing Logger: Fugro Consultants, Inc. Organization: Fugro Consultants, Inc. C:\Documents and Settings\JohnsonA\My Documents\062610\NTE, Segment 4-2.clg

121 Project No APPENDIX - D GENERALIZED SUBSURFACE PROFILES

122 REV DATE BY DESCRIPTION SIMPLIFIED DRAFT COPY B B4-1 B TCP 100/ / / /4 100/ / /2 100/ /0.5 TCP 100/9 100/ / / /1 100/1 100/ / /2 100/2 B4-3 TCP 100/ /12 58/12 60/12 TCP 11/12 22/12 100/ / / / /1 100/ / / / /1.75 B4-4 B4-5 TCP 9/12 9/12 15/12 24/12 17/12 22/12 33/12 34/12 19/12 14/12 71/12 13/12 16/12 10/12 10/12 92/11 100/6 100/ / /2 TCP 15/12 24/12 100/ /12 21/12 18/12 21/12 32/12 28/12 26/12 14/12 32/12 55/12 82/12 84/ /6 100/ / / /0.75 B4-6 B4-7 TCP 13/12 19/12 19/12 22/12 17/12 9/12 8/12 5/12 27/12 100/4 77/ / / / /1 100/1.75 B4-8 TCP 54/12 30/12 72/8 100/ / / / / /0.75 B4-9 TCP 15/12 9/12 100/2 100/ / / /1 100/ / /2 100/2.5 TCP 15/12 14/12 13/12 21/12 19/12 47/12 50/4 100/ / / / /0.5 B4-11 TCP 22/12 19/12 100/1 100/ / /3 100/0.5 B4-12 TCP 15/12 7/12 24/12 13/12 33/12 5/12 15/12 26/12 100/ / / / /4 100/ / /0.75 B4-15 TCP 15/12 18/12 9/12 12/12 42/12 100/11 100/1 100/ / /3 100/ / VERTICAL SCALE.: 1" = 20' Lithology: HORIZONTAL SCALE.: 1" = 1000' NOTE: Profile represents generalized conditions based on test borings and field observations. Formation contacts and other boundaries as shown do not imply exact locations nor that the portrayed formations are necessarily continuous between borings. Initial Groundwater 24-Hour Groundwater Fill, Unclassified Silty Sand Clean sand, well graded Gravel CH, Fat Clay Clayey sand to silty sand Clean sand, poorly graded USCS Poorly-graded Gravel with Clay CL, Lean Clay Clean, poorly graded sand to clayey sand SHALE SC, Clayey Sand LIMESTONE Fugro Consultants, Inc. TPBE Firm Registration No. F-299 SUBSURFACE PROFILE STA TO STA North Tarrant Express, Segment 4 Loop 820, Tarrant County, Texas Source: Drawn By: DF Project No.: Date: June 21, 2010 APPENDIX D-1

123 REV DATE BY DESCRIPTION SIMPLIFIED DRAFT COPY B4-15 TCP 15/12 18/12 9/12 12/12 42/12 100/11 100/1 B4-16 TCP 90/ /5 100/ / / / / / / /2 B4-17 TCP 90/ /8.5 50/5 100/ /7 100/ / /5 100/ / /2 100/ /1.75 B4-18 TCP 9/12 100/ /4 100/2.75 B4-20 TCP 28/12 100/7 100/3 100/ / / /2 100/ / /2 100/2 B4-19 TCP 10/12 18/12 10/12 100/ / /1 100/3 100/3 100/4 100/ /2.25 B4-21 TCP 12/12 13/12 45/12 100/ / / / / VERTICAL SCALE.: 1" = 20' Lithology: HORIZONTAL SCALE.: 1" = 1000' NOTE: Profile represents generalized conditions based on test borings and field observations. Formation contacts and other boundaries as shown do not imply exact locations nor that the portrayed formations are necessarily continuous between borings. Initial Groundwater 24-Hour Groundwater Fill, Unclassified Silty Sand Clean sand, well graded Gravel CH, Fat Clay Clayey sand to silty sand Clean sand, poorly graded USCS Poorly-graded Gravel with Clay CL, Lean Clay Clean, poorly graded sand to clayey sand SHALE SC, Clayey Sand LIMESTONE Fugro Consultants, Inc. TPBE Firm Registration No. F-299 SUBSURFACE PROFILE STA TO STA North Tarrant Express, Segment 4 Loop 820, Tarrant County, Texas Source: Drawn By: DF Project No.: Date: June 21, 2010 APPENDIX D-2

124 REV DATE BY DESCRIPTION SIMPLIFIED DRAFT COPY B4-25 TCP 31/12 25/12 25/12 41/12 B4-24 TCP 8/12 10/12 18/12 64/12 B4-23 TCP 9/12 27/12 8/12 17/12 10/12 25/12 14/12 B4-22 TCP 18/12 14/12 57/12 18/12 6/12 41/ VERTICAL SCALE.: 1" = 20' Lithology: HORIZONTAL SCALE.: 1" = 1000' NOTE: Profile represents generalized conditions based on test borings and field observations. Formation contacts and other boundaries as shown do not imply exact locations nor that the portrayed formations are necessarily continuous between borings. Initial Groundwater 24-Hour Groundwater Fill, Unclassified Silty Sand Clean sand, well graded Gravel CH, Fat Clay Clayey sand to silty sand Clean sand, poorly graded USCS Poorly-graded Gravel with Clay CL, Lean Clay Clean, poorly graded sand to clayey sand SHALE SC, Clayey Sand LIMESTONE SUBSURFACE PROFILE STA TO STA North Tarrant Express, Segment 4 Highway 121, Tarrant County, Texas Fugro Consultants, Inc. TPBE Firm Registration No. F-299 Source: Drawn By: DF Project No.: Date: June 21, 2010 APPENDIX D-3

125 Project No APPENDIX - E SUMMARY OF LABORATORY TEST RESULTS

126 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B B B B B B B B SC B CL B B B B B SC B B B CL B B B B B B B B B CH B B B B B B SC B B B SC B B CL B B B CH B Fugro Consultants, Inc Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) North Tarrent Express-Segment 4 Maximum Size (mm) %<#200 Sieve Classification Dry Density (pcf) Unconfined Strength, (tsf) Sheet 1 of 7 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 1

127 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B CL B B CL B CL B B CL B B B B B B B B B B SC B B CL B B B CL B B CL B CL B B B B B B B B B B CL B B CH B B B CL B B Fugro Consultants, Inc Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) North Tarrent Express-Segment 4 Maximum Size (mm) %<#200 Sieve Classification Dry Density (pcf) Unconfined Strength, (tsf) Sheet 2 of 7 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 2

128 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B B CL B SC-SM B B B B B B B B B SC B B B B B B B SC B B CL B B B B B B B B CL B B B B B B B B B B Maximum Size (mm) B CH B Fugro Consultants, Inc Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) North Tarrent Express-Segment 4 %<#200 Sieve Classification Dry Density (pcf) Unconfined Strength, (tsf) Sheet 3 of 7 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 3

129 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B CL B B B SC B B B B CL B B B B B B B B B B B CL B B CL B B CH B B B B B B B CL B B B B B B B B CL B B Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) Maximum Size (mm) %<#200 Sieve Classification B SC Fugro Consultants, Inc North Tarrent Express-Segment 4 Dry Density (pcf) Unconfined Strength, (tsf) Sheet 4 of 7 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 4

130 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B B B CL B B B B SC B B B B B B B B CL B B B B B B B B B B B B CH B CL B B SC B B B B B CL B B CL B B Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) Maximum Size (mm) %<#200 Sieve Classification B SC Dry Density (pcf) Unconfined Strength, (tsf) Sheet 5 of 7 B Fugro Consultants, Inc North Tarrent Express-Segment 4 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 5

131 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B CL B B B B B CL B B B B B B B CL B B CL B B CL B B B CL B B B CL B B B B B B B B B B SP B B B B B B B Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) Maximum Size (mm) %<#200 Sieve B Fugro Consultants, Inc North Tarrent Express-Segment 4 Classification Dry Density (pcf) Unconfined Strength, (tsf) Sheet 6 of 7 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 6

132 FUGRO LAB SUMMARY (ADJUSTED COL WIDTHS) GPJ FUGRO DALLAS DATA TEMPLATE.GDT 6/24/10 Borehole Depth (ft.) Water Content (%) B B B B B B B CL B B CL B B NP NP NP B B B B B SC B B B SC B B B B B B Fugro Consultants, Inc Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) North Tarrent Express-Segment 4 Maximum Size (mm) %<#200 Sieve Classification Dry Density (pcf) Unconfined Strength, (tsf) Sheet 7 of 7 Strain at Failure (%) LABORATORY TEST RESULTS SUMMARY Project No PLATE 7

133 Project No APPENDIX - F PARTICLE SIZE DISTRIBUTION REPORTS

134 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-4 B4-4 B4-4 B4-5 B4-5 Specimen Identification B4-4 B4-4 B4-4 B4-5 B4-5 Fugro Consultants, Inc Tested By: Paulo Pereira D Date Tested: 4/22/2010 D60 Classification FAT CLAY with SAND(CH) CLAYEY SAND(SC) CLAYEY SAND(SC) D North Tarrent Express-Segment 4 Checked By: ADJ D Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

135 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-6 B4-6 B4-7 B4-7 B4-7 Specimen Identification B4-6 B4-6 B4-7 B4-7 B4-7 Fugro Consultants, Inc D Tested By: Date Tested: Muhammad Ibrahim4/20/2010 D60 Classification LEAN CLAY with SAND(CL) LEAN CLAY with SAND(CL) FAT CLAY(CH) LEAN CLAY(CL) D North Tarrent Express-Segment 4 Checked By: ADJ D Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

136 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-8 B4-8 B4-9 B4-9 B4-9 Specimen Identification B4-8 B4-8 B4-9 B4-9 B4-9 Fugro Consultants, Inc Tested By: Paulo Pereira D Date Tested: 3/22/2010 D60 Classification CLAYEY SAND(SC) SANDY LEAN CLAY(CL) D North Tarrent Express-Segment 4 Checked By: ADJ D Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

137 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-9 B4-9 B4-10 B4-10 B4-10 Specimen Identification B4-9 B4-9 B4-10 B4-10 B4-10 Fugro Consultants, Inc Tested By: Paulo Pereira D Date Tested: 3/10/2010 D60 Classification SANDY LEAN CLAY(CL) FAT CLAY(CH) D North Tarrent Express-Segment 4 Checked By: ADJ D Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

138 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-10 B4-10 B4-10 B4-10 B4-11 Specimen Identification B4-10 B4-10 B4-10 B4-10 B4-11 Fugro Consultants, Inc Tested By: Paulo Pereira D Date Tested: 3/10/2010 D60 Classification SANDY LEAN CLAY(CL) CLAYEY SAND(SC) LEAN CLAY with SAND(CL) D North Tarrent Express-Segment 4 Checked By: ADJ D10 Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

139 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-11 B4-11 B4-11 B4-11 B4-11 Specimen Identification B4-11 B4-11 B4-11 B4-11 B4-11 Fugro Consultants, Inc Tested By: Paulo Pereira D Date Tested: 3/19/2010 D Classification LEAN CLAY(CL) North Tarrent Express-Segment 4 D Checked By: ADJ D10 Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

140 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-12 B4-12 B4-12 B4-12 B4-15 Specimen Identification B4-12 B4-12 B4-12 B4-12 B4-15 Fugro Consultants, Inc Tested By: Ahmad Aftab D Date Tested: 3/22/2010 D60 Classification LEAN CLAY(CL) FAT CLAY(CH) SANDY LEAN CLAY(CL) SANDY LEAN CLAY(CL) D North Tarrent Express-Segment 4 Checked By: ADJ D10 Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

141 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-15 B4-15 B4-15 B4-15 B4-15 Specimen Identification B4-15 B4-15 B4-15 B4-15 B4-15 Fugro Consultants, Inc D D60 Classification CLAYEY SAND(SC) LEAN CLAY with SAND(CL) North Tarrent Express-Segment 4 Tested By: James Lanza Date Tested: 3/25/2010 D30 Checked By: Brent McNeme D10 Date Checked: 3/25/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

142 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-15 B4-16 B4-17 B4-17 B4-17 Specimen Identification B4-15 B4-16 B4-17 B4-17 B4-17 Fugro Consultants, Inc Tested By: James Lanza D Date Tested: 3/25/2010 D60 Classification CLAYEY SAND(SC) SANDY LEAN CLAY(CL) North Tarrent Express-Segment 4 D Checked By: Brent McNeme D10 Date Checked: 3/25/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

143 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-17 B4-18 B4-18 B4-18 B4-18 Specimen Identification B4-17 B4-18 B4-18 B4-18 B4-18 Fugro Consultants, Inc Tested By: Ahmad Aftab D Date Tested: 4/23/2010 D60 Classification FAT CLAY with SAND(CH) LEAN CLAY with SAND(CL) CLAYEY SAND(SC) North Tarrent Express-Segment 4 D Checked By: ADJ D10 Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

144 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-20 B4-20 B4-20 B4-21 B4-21 Specimen Identification B4-20 B4-20 B4-20 B4-21 B4-21 Fugro Consultants, Inc D Tested By: Date Tested: Muhammad Ibrahim3/23/2010 D60 Classification SANDY LEAN CLAY(CL) SANDY LEAN CLAY(CL) North Tarrent Express-Segment 4 D Checked By: ADJ D10 Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

145 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-21 B4-22 B4-22 B4-22 B4-22 Specimen Identification B4-21 B4-22 B4-22 B4-22 B4-22 Fugro Consultants, Inc Tested By: James Lanza D D60 Classification SANDY LEAN CLAY(CL) SANDY LEAN CLAY(CL) POORLY GRADED SAND(SP) D30 D Date Tested: 3/25/ North Tarrent Express-Segment 4 Checked By: Brent McNeme Date Checked: 3/25/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

146 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-23 B4-23 B4-23 B4-23 B4-23 Specimen Identification B4-23 B4-23 B4-23 B4-23 B4-23 Fugro Consultants, Inc Tested By: James Lanza D Date Tested: 3/25/2010 D Classification North Tarrent Express-Segment 4 D Checked By: Brent McNeme D10 Date Checked: 3/25/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

147 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-21 B4-22 B4-22 B4-22 B4-22 Specimen Identification B4-21 B4-22 B4-22 B4-22 B4-22 Fugro Consultants, Inc Tested By: James Lanza D D60 Classification SANDY LEAN CLAY(CL) SANDY LEAN CLAY(CL) POORLY GRADED SAND(SP) D30 D Date Tested: 3/25/ North Tarrent Express-Segment 4 Checked By: Brent McNeme Date Checked: 3/25/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

148 PERCENT FINER BY WEIGHT U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS /4 1/ / HYDROMETER GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL coarse fine coarse medium SAND fine SILT OR CLAY FUGRO GSA MULTIPLE GPJ DATATEMPLATE GDT 6/25/10 Specimen Identification B4-25 B4-25 B4-25 Specimen Identification B4-25 B4-25 B4-25 Fugro Consultants, Inc Tested By: Ahmad Aftab D Date Tested: 4/23/2010 D Classification North Tarrent Express-Segment 4 D Checked By: ADJ D Date Checked: 6/24/2010 LL PL PI Cc Cu %Gravel %Sand %Silt %Clay GRAIN SIZE DISTRIBUTION Project No

149 Project No APPENDIX - G UNCONFINED COMPRESSION TEST RESULTS

150 80.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-1, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 50.0 q u = psi E t,50 = Failure Strain= 2.26 % 40.0 Strain Rate= 0.23 %/min Water Content = 16.7 % t = pcf 30.0 d = pcf S= % 20.0 e= Diameter= 2.04 inches Height= 4.21 inches 10.0 H/D= 2.07 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.26 % 0.23 %/min Water Content, W = 16.7 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.21 inches H/D = 2.07 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-1, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

151 120.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-1, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 80.0 q u = psi E t,50 = Failure Strain= 2.26 % 60.0 Strain Rate= 0.23 %/min Water Content = 19.7 % t = pcf d = pcf 40.0 S= % e= Diameter= 2.05 inches Height= 4.22 inches 20.0 H/D= 2.06 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.26 % 0.23 %/min Water Content, W = 19.7 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.05 inches Height (H) = 4.22 inches H/D = 2.06 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-1, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

152 180.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-1, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.78 % Strain Rate= 0.20 %/min 80.0 Water Content = 15.9 % t = pcf d = pcf 60.0 S= % e= Diameter= 2.00 inches Height= 4.22 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.78 % 0.20 %/min Water Content, W = 15.9 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.00 inches Height (H) = 4.22 inches H/D = 2.11 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-1, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

153 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-2, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, σa (psi) q u = 3, psi E t,50 = Failure Strain= 0.35 % Strain Rate= 0.06 %/min Water Content = 8.7 % γ t = pcf γ d = pcf S= 74.8 % e= Diameter= 2.04 inches Height= 4.22 inches H/D= 2.07 G s = Description: es Axial Strain, ε a (%) Unconfined Strength, σ f = Young's Modulus, E t,50 = Failure Strain,ε f = Strain Rate = 3, psi 0.35 % 0.06 %/min Water Content, W = 8.7 % Unit Weight, γ t = Dry Unit Weight, γ d = pcf pcf Saturation, S = 74.8 % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.22 inches H/D = 2.07 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-2, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

154 80.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-2, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, σa (psi) q u = E t,50 = psi Failure Strain= 6.13 % Strain Rate= 0.24 %/m in Water Content = 8.7 % γ t = pcf γ d = pcf S= 83.7 % e= Diameter= 2.01 inches Height= 4.23 inches H/D= 2.10 G s = D 2.70 Description: es Axial Strain, ε a (%) Unconfined Strength, σ f = Young's Modulus, E t,50 = Failure Strain,ε f = Strain Rate = psi 6.13 % 0.24 %/min Water Content, W = 8.7 % Unit Weight, γ t = Dry Unit Weight, γ d = pcf pcf Saturation, S = 83.7 % Void Ratio, e = Diameter (D) = Height (H) = 2.01 inches 4.23 inches H/D = 2.10 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE WITH SHALE SEAMS Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-2, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

155 80.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-2, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 50.0 q u = psi E t,50 = Failure Strain= 6.13 % 40.0 Strain Rate= 0.24 %/min Water Content = 8.7 % t = pcf 30.0 d = pcf S= 83.7 % 20.0 e= Diameter= 2.01 inches Height= 4.23 inches 10.0 H/D= 2.10 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 6.13 % 0.24 %/min Water Content, W = 8.7 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 83.7 % Void Ratio, e = Diameter (D) = Height (H) = 2.01 inches 4.23 inches H/D = 2.10 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE WITH SHALE SEAMS Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-2, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

156 160.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-2, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 3.13 % 80.0 Strain Rate= 0.23 %/min Water Content = 15.1 % t = pcf 60.0 d = pcf S= % 40.0 e= Diameter= 2.06 inches Height= 4.24 inches 20.0 H/D= 2.05 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 3.13 % 0.23 %/min Water Content, W = 15.1 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.06 inches Height (H) = 4.24 inches H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-2, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

157 250.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-2, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.89 % Strain Rate= 0.22 %/min Water Content = 14.8 % t = pcf d = pcf S= 92.6 % e= Diameter= 1.96 inches 50.0 Height= 4.23 inches H/D= 2.16 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.89 % 0.22 %/min Water Content, W = 14.8 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 92.6 % Void Ratio, e = Diameter (D) = 1.96 inches Height (H) = 4.23 inches H/D = 2.16 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-2, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

158 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-4, Depth: ft. North Tarrant Express - Segment 4 (MDP) Fort Worth, Texas Compressive Stress, a (psi) q u = 5, psi E t,50 = Failure Strain= 0.36 % Strain Rate= 0.05 %/min Water Content = t = pcf d = S= e= Diameter= 2.04 inches Height= 4.21 inches H/D= 2.07 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = Water Content, W = Unit Weight, t = Dry Unit Weight, d = Saturation, S = 5, psi 0.36 % 0.05 %/min pcf Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.21 inches H/D = 2.07 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-4, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

159 120.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-4, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 80.0 q u = psi E t,50 = Failure Strain= 2.04 % 60.0 Strain Rate= 0.22 %/min Water Content = 14.3 % t = pcf d = pcf 40.0 S= % e= Diameter= 2.07 inches Height= 4.21 inches 20.0 H/D= 2.03 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.04 % 0.22 %/min Water Content, W = 14.3 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.07 inches Height (H) = 4.21 inches H/D = 2.03 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-4, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

160 160.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-4, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.94 % 80.0 Strain Rate= 0.18 %/min Water Content = 16.5 % t = pcf 60.0 d = pcf S= % 40.0 e= Diameter= 2.06 inches Height= 4.20 inches 20.0 H/D= 2.04 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.94 % 0.18 %/min Water Content, W = 16.5 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.06 inches Height (H) = 4.20 inches H/D = 2.04 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-4, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

161 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: 80.0 B4-5, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 2.58 % Strain Rate= 0.24 %/min Water Content = 18.7 % t = pcf d = pcf S= % e= Diameter= 1.97 inches Height= 4.21 inches H/D= 2.14 G s = 2.70 Description: es Axial 1.5 Strain, a 2.0 (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.58 % 0.24 %/min Water Content, W = 18.7 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 1.97 inches Height (H) = 4.21 inches H/D = 2.14 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-5, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

162 120.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-5, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 80.0 q u = psi E t,50 = Failure Strain= 1.41 % 60.0 Strain Rate= 0.22 %/min Water Content = 16.3 % t = pcf d = pcf 40.0 S= % e= Diameter= 2.04 inches Height= 4.20 inches 20.0 H/D= 2.06 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.41 % 0.22 %/min Water Content, W = 16.3 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.20 inches H/D = 2.06 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-5, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

163 70.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-5, Depth: ft. North Tarrant Express - Segment 4 (MDP) Fort 60.0 Worth, Texas Compressive Stress, a (psi) 50.0 q u = psi E t,50 = 40.0 Failure Strain= 2.06 % Strain Rate= 0.23 %/min Water Content = 2.0 % 30.0 t = pcf d = pcf S= 24.0 % 20.0 e= Diameter= 2.06 inches Height= 4.23 inches 10.0 H/D= 2.05 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.06 % 0.23 %/min Water Content, W = 2.0 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 24.0 % Void Ratio, e = Diameter (D) = 2.06 inches Height (H) = 4.23 inches H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-5, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

164 120.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-6, Depth: ' ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 80.0 q u = psi E t,50 = Failure Strain= 2.22 % 60.0 Strain Rate= 0.23 %/min Water Content = 18.4 % t = pcf d = pcf 40.0 S= % e= Diameter= 1.88 inches Height= 4.22 inches 20.0 H/D= 2.25 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.22 % 0.23 %/min Water Content, W = 18.4 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 1.88 inches Height (H) = 4.22 inches H/D = 2.25 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-6, Depth: ' ft. Project Number: Date: Reviewed By: /18/10 ADJ

165 90.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-6, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 60.0 q u = psi 50.0 E t,50 = Failure Strain= 4.50 % Strain Rate= 0.24 %/min 40.0 Water Content = 4.0 % t = pcf d = pcf 30.0 S= 41.7 % e= Diameter= 2.11 inches Height= 4.25 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 4.50 % 0.24 %/min Water Content, W = 4.0 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 41.7 % Void Ratio, e = Diameter (D) = 2.11 inches Height (H) = 4.25 inches H/D = 2.02 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-6, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

166 250.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-6, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.46 % Strain Rate= 0.21 %/min Water Content = 9.5 % t = pcf d = pcf S= 86.6 % e= Diameter= 2.03 inches 50.0 Height= 4.23 inches H/D= 2.09 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.46 % 0.21 %/min Water Content, W = 9.5 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 86.6 % Void Ratio, e = Diameter (D) = 2.03 inches Height (H) = 4.23 inches H/D = 2.09 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-6, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

167 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-7, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = 4, psi E t,50 = Failure Strain= 0.33 % Strain Rate= 0.05 %/min Water Content = 6.0 % t = pcf d = pcf S= % e= Diameter= 2.04 inches Height= 4.20 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = 4, psi 0.33 % 0.05 %/min Water Content, W = 6.0 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.20 inches H/D = 2.06 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-7, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

168 180.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-7, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 2.65 % Strain Rate= 0.23 %/min 80.0 Water Content = 15.3 % t = pcf d = pcf 60.0 S= % e= Diameter= 2.07 inches Height= 4.19 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.65 % 0.23 %/min Water Content, W = 15.3 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.07 inches Height (H) = 4.19 inches H/D = 2.03 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-7, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

169 180.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-7, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 5.18 % Strain Rate= 0.24 %/min 80.0 Water Content = 6.8 % t = pcf d = pcf 60.0 S= 69.6 % e= Diameter= 2.02 inches Height= 4.22 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 5.18 % 0.24 %/min Water Content, W = 6.8 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 69.6 % Void Ratio, e = Diameter (D) = 2.02 inches Height (H) = 4.22 inches H/D = 2.09 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-7, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

170 250.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-7, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 3.23 % Strain Rate= 0.23 %/min Water Content = 14.9 % t = pcf d = pcf S= % e= Diameter= 2.04 inches 50.0 Height= 4.22 inches H/D= 2.07 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 3.23 % 0.23 %/min Water Content, W = 14.9 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.22 inches H/D = 2.07 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-7, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

171 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-12, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = 3, psi E t,50 = Failure Strain= 0.70 % Strain Rate= 0.10 %/min Water Content = 6.4 % t = pcf d = pcf S= % e= Diameter= 2.05 inches Height= 4.15 inches H/D= 2.02 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = 3, psi 0.70 % 0.10 %/min Water Content, W = 6.4 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.05 inches Height (H) = 4.15 inches H/D = 2.02 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-12, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

172 Report No UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-12, Depth: ft. North Tarrant Express - Segment 4 (MDP) Fort Worth, Texas Compressive Stress, a (psi) q u = psi E t,50 = 80.0 Failure Strain= 3.20 % Strain Rate= 0.24 %/min Water Content = 12.0 % 60.0 t = pcf d = pcf S= 93.3 % 40.0 e= Diameter= 2.09 inches Height= 4.19 inches 20.0 H/D= 2.00 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 3.20 % 0.24 %/min Water Content, W = 12.0 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 93.3 % Void Ratio, e = Diameter (D) = 2.09 inches Height (H) = 4.19 inches H/D = 2.00 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-12, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

173 180.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-12, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.61 % Strain Rate= 0.21 %/min 80.0 Water Content = 7.8 % t = pcf d = pcf 60.0 S= 65.3 % e= Diameter= 1.98 inches Height= 4.21 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.61 % 0.21 %/min Water Content, W = 7.8 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 65.3 % Void Ratio, e = Diameter (D) = 1.98 inches Height (H) = 4.21 inches H/D = 2.12 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-12, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

174 Report No UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-12, Depth: ft. North Tarrant Express - Segment 4 (MDP) Fort Worth, Texas Compressive Stress, a (psi) q u = psi E t,50 = 80.0 Failure Strain= 3.80 % Strain Rate= 0.24 %/min Water Content = 16.7 % 60.0 t = pcf d = pcf S= 90.7 % 40.0 e= Diameter= 2.14 inches Height= 4.17 inches 20.0 H/D= 1.95 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 3.80 % 0.24 %/min Water Content, W = 16.7 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 90.7 % Void Ratio, e = Diameter (D) = 2.14 inches Height (H) = 4.17 inches H/D = 1.95 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-12, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

175 180.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-16, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 2.11 % Strain Rate= 0.22 %/min 80.0 Water Content = 6.2 % t = pcf d = pcf 60.0 S= 94.5 % e= Diameter= 2.04 inches Height= 4.21 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.11 % 0.22 %/min Water Content, W = 6.2 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 94.5 % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.21 inches H/D = 2.06 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-16, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

176 90.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-16, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 60.0 q u = psi 50.0 E t,50 = Failure Strain= 2.01 % Strain Rate= 0.23 %/min 40.0 Water Content = 15.1 % t = pcf d = pcf 30.0 S= % e= Diameter= 2.05 inches Height= 4.24 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.01 % 0.23 %/min Water Content, W = 15.1 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.05 inches Height (H) = 4.24 inches H/D = 2.06 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-16, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

177 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-16, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.70 % Strain Rate= 0.19 %/min Water Content = 7.0 % t = pcf d = pcf S= 91.5 % e= Diameter= 2.03 inches Height= 4.20 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.70 % 0.19 %/min Water Content, W = 7.0 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 91.5 % Void Ratio, e = Diameter (D) = 2.03 inches Height (H) = 4.20 inches H/D = 2.07 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-16, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

178 180.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-16, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 5.94 % Strain Rate= 0.24 %/min 80.0 Water Content = 6.9 % t = pcf d = pcf 60.0 S= 76.7 % e= Diameter= 2.06 inches Height= 4.23 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 5.94 % 0.24 %/min Water Content, W = 6.9 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 76.7 % Void Ratio, e = Diameter (D) = 2.06 inches Height (H) = 4.23 inches H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: Location: Sample Identification: North Tarrant Express - Segment 4 (MDP) Boring: B4-16, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

179 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-19, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = 2, psi E t,50 = Failure Strain= 0.53 % Strain Rate= 0.09 %/min Water Content = 5.9 % t = pcf d = pcf S= 91.1 % e= Diameter= 2.04 inches Height= 4.18 inches H/D= 2.05 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = 2, psi 0.53 % 0.09 %/min Water Content, W = 5.9 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = 91.1 % Void Ratio, e = Diameter (D) = 2.04 inches Height (H) = 4.18 inches H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : LIMESTONE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-19, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

180 90.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-19, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) 60.0 q u = psi 50.0 E t,50 = Failure Strain= 2.15 % Strain Rate= 0.23 %/min 40.0 Water Content = 17.1 % t = pcf d = pcf 30.0 S= % e= Diameter= 2.07 inches Height= 4.25 inches H/D= G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 2.15 % 0.23 %/min Water Content, W = 17.1 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.07 inches Height (H) = 4.25 inches H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-19, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

181 160.0 UNCONFINED COMPRESSION TEST, ASTM - D 7012, Method C Boring: B4-19, Depth: ft. North Tarrant Express - Segment 4 (MDP) Compressive Stress, a (psi) q u = psi E t,50 = Failure Strain= 1.64 % 80.0 Strain Rate= 0.21 %/min Water Content = 19.1 % t = pcf 60.0 d = pcf S= % 40.0 e= Diameter= 2.03 inches Height= 4.26 inches 20.0 H/D= 2.10 G s = 2.70 Description: es Axial Strain, a (%) Unconfined Strength, f = Young's Modulus, E t,50 = Failure Strain, f = Strain Rate = psi 1.64 % 0.21 %/min Water Content, W = 19.1 % Unit Weight, t = Dry Unit Weight, d = pcf pcf Saturation, S = % Void Ratio, e = Diameter (D) = 2.03 inches Height (H) = 4.26 inches H/D = 2.10 Assumed Sp. Gravity, G s = 2.70 Description : SHALE Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: Boring: B4-19, Depth: ft. Project Number: Date: Reviewed By: /18/10 ADJ

182 Project No APPENDIX - H UNCONSOLIDATED UNDRAINED COMPRESSION TEST RESULTS

183 UNCONSOLIDATED - UNDRAINED TRIAXIAL COMPRESSION TEST - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= % Strain Rate= 1.00 %/min Water Content = 15.4 % γ t = pcf γ d = pcf S= 91.9 % e= Diameter= 2.74 inch Height= 5.51 inch H/D= 2.01 G s = 2.70 Description: Description : FILL Confinement = 22.0 psi Axial Strain, ε a (%) UU Comp. Strength, σ f = Young's Modulus, E t,50 = psi Failure Strain, ε f = % Strain Rate, ε r = 1.00 %/min Water Content, W = 15.4 % Unit Weight, γ t = Dry Unit Weight, γ d = pcf pcf Saturation, S = 91.9 % Confinement Stress, σ 3 = 22.0 psi Void Ratio, e = Diameter (D) = 2.74 inch Height (H) = 5.51 inch H/D = 2.01 Assumed Sp. Gravity, G s = 2.70 Description : FILL Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: B4-5, ft. Project Number: Date: Reviewed By: /24/10 BRENT

184 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = 6.11 psi E t,50 = Failure Strain= 3.65 % Strain Rate= 0.94 %/min Water Content = 24.4 % γ t = pcf γ d = pcf S= 97.2 % e= Diameter= 2.76 inch Height= 5.64 inch H/D= 2.05 G s = 2.70 Description: Description : LEAN CLAY Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = 6.11 psi Young's Modulus, E t,50 = Failure Strain, ε f = 3.65 % Strain Rate, ε r = 0.94 %/min Water Content, W = 24.4 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 97.2 % Void Ratio, e = Diameter (D) = 2.76 inch Height (H) = 5.64 inch H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : LEAN CLAY Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 BRENT

185 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= % Strain Rate= 1.01 %/min Water Content = 22.0 % γ t = pcf γ d = pcf S= 90.5 % e= Diameter= 2.77 inch Height= 5.59 inch H/D= 2.02 G s = 2.70 Description: Description : LEAN CLAY WITH SAND (CL) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = % Strain Rate, ε r = 1.01 %/min Water Content, W = 22.0 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 90.5 % Void Ratio, e = Diameter (D) = Height (H) = 2.77 inch 5.59 inch H/D = 2.02 Assumed Sp. Gravity, G s = 2.70 Description : LEAN CLAY WITH SAND (CL) Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 BRENT

186 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= % Strain Rate= 1.02 %/min Water Content = 17.2 % γ t = pcf γ d = pcf S= 92.2 % e= Diameter= 2.62 inch Height= 5.62 inch H/D= 2.15 G s = 2.70 Description: Description : FAT CLAY(CH) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = % Strain Rate, ε r = 1.02 %/min Water Content, W = 17.2 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 92.2 % Void Ratio, e = Diameter (D) = 2.62 inch Height (H) = 5.62 inch H/D = 2.15 Assumed Sp. Gravity, G s = 2.70 Description : FAT CLAY(CH) Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: 4-5 ft Project Number: Date: Reviewed By: /24/10 ADJ

187 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 7.99 % Strain Rate= 0.88 %/min Water Content = 18.2 % γ t = pcf γ d = pcf S= 64.1 % e= Diameter= 2.73 inch Height= 6.74 inch H/D= 2.47 G s = 2.70 Description: Description : FILL Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 7.99 % Strain Rate, ε r = 0.88 %/min Water Content, W = 18.2 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 64.1 % Void Ratio, e = Diameter (D) = 2.73 inch Height (H) = 6.74 inch H/D = 2.47 Assumed Sp. Gravity, G s = 2.70 Description : FILL Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 ADJ

188 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 5.83 % Strain Rate= 1.63 %/min Water Content = 18.5 % γ t = pcf γ d = pcf S= 85.6 % e= Diameter= 2.00 inch Height= 3.74 inch H/D= 1.87 G s = 2.70 Description: Description : FILL Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 5.83 % Strain Rate, ε r = 1.63 %/min Water Content, W = 18.5 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 85.6 % Void Ratio, e = Diameter (D) = 2.00 inch Height (H) = 3.74 inch H/D = 1.87 Assumed Sp. Gravity, G s = 2.70 Description : FILL Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 ADJ

189 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 6.60 % Strain Rate= 1.15 %/min Water Content = 17.0 % γ t = pcf γ d = pcf S= 83.2 % e= Diameter= 2.75 inch Height= 5.65 inch H/D= 2.05 G s = 2.70 Description: Description : LEAN CLAY(CL) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 6.60 % Strain Rate, ε r = 1.15 %/min Water Content, W = 17.0 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 83.2 % Void Ratio, e = Diameter (D) = 2.75 inch Height (H) = 5.65 inch H/D = 2.05 Assumed Sp. Gravity, G s = 2.70 Description : LEAN CLAY(CL) Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 ADJ

190 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 5.96 % Strain Rate= 0.95 %/min Water Content = 13.7 % γ t = pcf γ d = pcf S= 88.6 % e= Diameter= 2.78 inch Height= 5.61 inch H/D= 2.02 G s = 2.70 Description: Description : FILL Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 5.96 % Strain Rate, ε r = 0.95 %/min Water Content, W = 13.7 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 88.6 % Void Ratio, e = Diameter (D) = 2.78 inch Height (H) = 5.61 inch H/D = 2.02 Assumed Sp. Gravity, G s = 2.70 Description : FILL Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 BRENT

191 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 8.49 % Strain Rate= 1.01 %/min Water Content = 14.8 % γ t = pcf γ d = pcf S= 95.9 % e= Diameter= 2.71 inch Height= 5.90 inch H/D= 2.17 G s = 2.70 Description: Description : SANDY LEAN CLAY (CL) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 8.49 % Strain Rate, ε r = 1.01 %/min Water Content, W = 14.8 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 95.9 % Void Ratio, e = Diameter (D) = Height (H) = 2.71 inch 5.90 inch H/D = 2.17 Assumed Sp. Gravity, G s = 2.70 Description : SANDY LEAN CLAY (CL) Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 ADJ

192 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= % Strain Rate= 0.94 %/min Water Content = 19.3 % γ t = pcf γ d = pcf S= 82.2 % e= Diameter= 2.67 inch Height= 5.70 inch H/D= 2.13 G s = 2.70 Description: Description : FILL Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = % Strain Rate, ε r = 0.94 %/min Water Content, W = 19.3 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 82.2 % Void Ratio, e = Diameter (D) = 2.67 inch Height (H) = 5.70 inch H/D = 2.13 Assumed Sp. Gravity, G s = 2.70 Description : FILL Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: 5-6 ft Project Number: Date: Reviewed By: /24/10 BRENT

193 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 6.25 % Strain Rate= 0.98 %/min Water Content = 15.3 % γ t = pcf γ d = pcf S= 87.9 % e= Diameter= 2.75 inch Height= 5.66 inch H/D= 2.06 G s = 2.70 Description: Description : SANDY LEAN CLAY (CL) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 6.25 % Strain Rate, ε r = 0.98 %/min Water Content, W = 15.3 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 87.9 % Void Ratio, e = Diameter (D) = Height (H) = 2.75 inch 5.66 inch H/D = 2.06 Assumed Sp. Gravity, G s = 2.70 Description : SANDY LEAN CLAY (CL) Project Name: North Tarrant Express - Segment 4 ( MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 BRENT

194 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= 7.63 % Strain Rate= 1.07 %/min Water Content = 19.9 % γ t = pcf γ d = pcf S= 92.9 % e= Diameter= 2.69 inch Height= 5.81 inch H/D= 2.16 G s = 2.70 Description: Description : SANDY LEAN CLAY(CL) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = 7.63 % Strain Rate, ε r = 1.07 %/min Water Content, W = 19.9 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 92.9 % Void Ratio, e = Diameter (D) = Height (H) = 2.69 inch 5.81 inch H/D = 2.16 Assumed Sp. Gravity, G s = 2.70 Description : SANDY LEAN CLAY(CL) Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: 8-9 ft Project Number: Date: Reviewed By: /24/10 ADJ

195 UNCONFINED COMPRESSIVE STRENGTH OF COHESIVE SOIL - ASTM D Compressive Stress, σa (psi) q u = psi E t,50 = Failure Strain= % Strain Rate= 1.03 %/min Water Content = 12.5 % γ t = pcf γ d = pcf S= 79.9 % e= Diameter= 2.67 inch Height= 5.43 inch H/D= 2.04 G s = 2.70 Description: Description : SANDY LEAN CLAY(CL) Confinement = 22.0 psi Axial Strain, ε a (%) Unconfined Comp. Strength, σ f = psi Young's Modulus, E t,50 = Failure Strain, ε f = % Strain Rate, ε r = 1.03 %/min Water Content, W = 12.5 % Unit Weight, γ t = pcf Dry Unit Weight, γ d = pcf Saturation, S = 79.9 % Void Ratio, e = Diameter (D) = Height (H) = 2.67 inch 5.43 inch H/D = 2.04 Assumed Sp. Gravity, G s = 2.70 Description : SANDY LEAN CLAY(CL) Project Name: North Tarrant Express - Segment 4 (MDP) Location: Sample Identification: ft Project Number: Date: Reviewed By: /24/10 ADJ