foundation investigation and design pavement thickness (new construction) ... 13.0 soil chemistry

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  • Terraprobe Consulting Geotechnical & Environmental Engineering

    Construction Materials Inspection & Testing

    Terraprobe Inc. Greater Toronto Hamilton Niagara Central Ontario Northern Ontario 11 Indell Lane 903 Barton Street, Unit 22 220 Bayview Drive, Unit 25 1012 Kelly Lake Rd., Unit 1 Brampton, Ontario L6T 3Y3 Stoney Creek, Ontario L8E 5P5 Barrie, Ontario L4N 4Y8 Sudbury, Ontario P3E 5P4 (905) 796-2650 Fax: 796-2250 (905) 643-7560 Fax: 643-7559 (705) 739-8355 Fax: 739-8369 (705) 670-0460 Fax: 670-0558 brampton@terraprobe.ca stoneycreek@terraprobe.ca barrie@terraprobe.ca sudbury@terraprobe.ca

    www.terraprobe.ca

    GEOTECHNICAL INVESTIGATION MCLAUGHLIN ROAD CLASS ENVIRONMENTAL ASSESSMENT (EA) STUDY

    BRITANNIA ROAD WEST TO BRISTOL ROAD WEST CITY OF MISSISSAUGA, ONTARIO

    Prepared for: IBI Group 30 International Road Toronto, Ontario M9W 5P3 Attention: Mr. Allan Ortlieb Associate

    File No. 11-12-2098 September 8, 2015 Terraprobe Inc.

    Distribution: 1 Copy - IBI Group 2 Copies - City of Mississauga 1 Copy - Terraprobe Inc., Brampton

  • IBI Group September 8, 2015 McLaughlin Road Class EA Study, City of Mississauga File No. 11-12-2098

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    TABLE OF CONTENTS

    1.0 INTRODUCTION ................................................................................................................................. 1

    2.0 SITE AND PROJECT DESCRIPTION ................................................................................................ 1

    3.0 INVESTIGATION PROCEDURES ...................................................................................................... 1

    4.0 SUBSURFACE CONDITIONS ............................................................................................................ 2

    4.1 General ....................................................................................................................................... 2 4.2 Pavement Structure .................................................................................................................... 2 4.3 Topsoil ........................................................................................................................................ 3 4.4 Fills .............................................................................................................................................. 3 4.5 Till Deposit .................................................................................................................................. 3 4.5.1 Clayey Silt to Silty Clay Till ....................................................................................................... 3 4.5.2 Silty Sand to Sandy Silt Till ....................................................................................................... 4 4.5.3 Sands and Silts ......................................................................................................................... 4 4.6 Ground Water Observations ....................................................................................................... 5

    5.0 DISCUSSIONS AND RECOMMENDATIONS .................................................................................... 6

    5.1 General ....................................................................................................................................... 6 6.0 PAVEMENT DESIGNS ....................................................................................................................... 6

    6.1 Design Parameters ..................................................................................................................... 6 6.2 Pavement Thickness (New Construction) .................................................................................. 6 6.3 Existing Pavement Rehabilitation ............................................................................................... 7

    7.0 RECOMMENDATIONS AND CONSTRUCTION FEATURES ............................................................ 7

    7.1 Pavement Structure and Material Types .................................................................................... 7 7.2 Padding ....................................................................................................................................... 8 7.3 Asphalt Cement Grade ............................................................................................................... 8 7.4 Tack Coat.................................................................................................................................... 8 7.5 Pavement Tapers ....................................................................................................................... 8

    8.0 CUTS AND FILLS ................................................................................................................................ 8

    9.0 DRAINAGE .......................................................................................................................................... 9

    9.1 Culvert Bedding, Cover and Backfill ........................................................................................... 9 9.2 Ditches and Subdrains ................................................................................................................ 9

    10.0 OTHER DESIGN FEATURES ............................................................................................................. 9

    10.1 Compaction ................................................................................................................................. 9 10.2 Excavations................................................................................................................................. 9 10.3 Stripping ...................................................................................................................................... 9

    11.0 STORM SEWERS ............................................................................................................................. 10

    11.1 Excavation Method ................................................................................................................... 10 11.2 Pipe Bedding ............................................................................................................................ 10 11.3 Trench Backfill .......................................................................................................................... 10 11.4 Trench Clay Plugs and Cut-off Collars ..................................................................................... 11

    12.0 RETAINING WALLS .......................................................................................................................... 11

    12.1 Ultimate Coefficient of Friction .................................................................................................. 12

  • IBI Group September 8, 2015 McLaughlin Road Class EA Study, City of Mississauga File No. 11-12-2098

    Terraprobe Inc ii

    12.2 Design Frost Depth ................................................................................................................... 12 12.3 Lateral Earth pressure .............................................................................................................. 12

    13.0 SOIL CHEMISTRY ............................................................................................................................ 13

    14.0 RECOMMENDED ADDITIONAL STUDIES ...................................................................................... 13

    15.0 LIMITATIONS AND RISK .................................................................................................................. 13

    15.1 Procedures................................................................................................................................ 13 15.2 Changes in Site and Scope ...................................................................................................... 14

    16.0 CLOSURE ......................................................................................................................................... 14

    REFERENCES

    LIST OF FIGURES

    Figure 1 Site Location Plan Figures 2, 3 and 4 Site Photographs Figures 5, 6, 7 and 8 Borehole Location Plan

    APPENDIX A Borehole Logs

    Abbreviations and Terminology Borehole Logs BH 1 to BH 30 Core Logs BH 3, BH 5, BH 8, BH 12, BH 15, BH 17, BH 25 and BH 27 APPENDIX B Laboratory Test Results

    Figure B1 Grain Size Distribution Granular Base/Subbase Figure B2 Grain Size Distribution Clayey Silt to Silty Clay Till Figure B3 Plasticity Chart Clayey Silty to Silty Clay Till Figure B4 Grain Size Distribution Silty Sand to Sandy Silt Till Figure B5 Plasticity Chart Silty Sand to Sandy Silt Till APPENDIX C Certificates of Chemical Analysis (Soil Chemistry)

    APPENDIX D Pavement Condition Survey

    APPENDIX E Pavement Design Data

    Table E1 Equivalent Single Axle Load Calculations Britannia Road West to Bristol Road West Table E2 Equivalent Single Axle Load Calculations Britannia Road West to Matheson Blvd.

  • IBI Group September 8, 2015 McLaughlin Road Class EA Study, City of Mississauga File No. 11-12-2098

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    1.0 INTRODUCTION Terraprobe Inc. (Terraprobe) has been retained by IBI Group (IBI) to provide geotechnical engineering services in support of preliminary designs for the Class EA Study for McLaughlin Road extending from Britannia Road West to Bristol Road West, in the City of Mississauga, Ontario.

    The scope of work

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