NATIONAL ENERGY BOARD IN THE MATTER OF the National Energy Board Act, R.S.C. 1985, c. N-7, as amended, (“NEB Act”) and the Regulations made thereunder; AND IN THE MATTER OF the Canadian Environmental Assessment Act, 2012, S.C. 2012, c. 37, as amended, and the Regulations made thereunder; AND IN THE MATTER OF an application by Trans Mountain Pipeline ULC as General Partner of Trans Mountain Pipeline L.P. (collectively “Trans Mountain”) for a Certificate of Public Convenience and Necessity and other related approvals pursuant to Part III of the NEB Act NPS 42 PIPELINE FROM HARGREAVES TO BLUE RIVER December 1, 2014 To: The Secretary The National Energy Board 444 — 7th Avenue SW Calgary, AB T2P 0X8 Trans Mountain Pipeline (ULC) Trans Mountain Expansion Project NPS 42 Pipeline from Hargreaves to Blue River Page 2 TABLE OF CONTENTS Page 1.0 EXECUTIVE SUMMARY .................................................................................................. 6 2.0 PROJECT DESCRIPTION ................................................................................................ 7 2.1 Overview ............................................................................................................... 7 2.1.1 Previously Proposed Pipeline Design ........................................................ 7 2.1.2 Proposed Revised Pipeline Design ........................................................... 8 2.1.3 Construction Implications ......................................................................... 10 2.1.4 Ongoing Studies ...................................................................................... 10 2.2 Project Execution and Schedule.......................................................................... 10 2.3 Costs ................................................................................................................... 11 3.0 LAND AND CONSULTATION OVERVIEW..................................................................... 12 3.1 Stakeholder Engagement .................................................................................... 12 3.1.1 Notice of Potential Pipeline Design Reconfiguration ............................... 12 3.1.2 Project Update Notification Letter ............................................................ 14 3.1.3 Follow-up to Project Update Notification Letter ....................................... 14 3.1.4 Project Update Letter of Study Results and NEB Filing ........................... 16 3.2 Aboriginal Engagement ....................................................................................... 16 3.2.1 Identification of Aboriginal Communities, Groups, Associations, Councils and Tribes ................................................................................. 16 3.2.2 Engagement Activity ................................................................................ 16 3.2.3 Future Aboriginal Engagement Activity .................................................... 17 3.3 Land Interests and Landowner Consultation ....................................................... 17 4.0 PROJECT DESIGN AND EXECUTION UPDATE ........................................................... 18 4.1 Engineering Design ............................................................................................. 18 4.1.1 General .................................................................................................... 18 4.1.2 Hydraulic Design ...................................................................................... 18 4.1.3 Pipeline System Design ........................................................................... 18 4.1.4 Facilities Design ....................................................................................... 20 4.2 Construction ........................................................................................................ 20 4.2.1 Pipeline Construction ............................................................................... 20 4.2.2 Facilities Construction .............................................................................. 20 4.3 Operations and Maintenance .............................................................................. 21 5.0 ENVIRONMENTAL AND SOCIO-ECONOMIC ASSESSMENT ...................................... 22 5.1 Introduction .......................................................................................................... 22 5.2 Environmental and Socio-economic Setting ........................................................ 25 5.3 Environmental and Socio-economic Effects Assessment ................................... 33 5.3.1 Hargreaves to Blue River Proposed Pipeline Segment ........................... 33 5.3.2 Pump Station Activities ............................................................................ 33 5.4 Cumulative Effects Assessment .......................................................................... 40 5.5 Conclusion ........................................................................................................... 40 6.0 RISK ASSESSMENT AND MANAGEMENT OF PIPELINE SPILLS UPDATE ............... 42 6.1 Risk Assessment ................................................................................................. 42 6.2 Emergency Preparedness and Response ........................................................... 42 7.0 CONCLUSIONS .............................................................................................................. 44 Trans Mountain Pipeline (ULC) Trans Mountain Expansion Project NPS 42 Pipeline from Hargreaves to Blue River Page 3 8.0 REFERENCES ................................................................................................................ 45 8.1 Literature Cited .................................................................................................... 45 9.0 APPENDICES ................................................................................................................. 48 LIST OF APPENDICES Appendix A Simulations of Hypothetical Oil Spills, Hargreaves to Blue River, Trans Mountain Expansion Project Appendix B Updated Overland Spill Mapping for NPS 42 Pipeline from Hargreaves to Blue River Appendix C Updated Semi-Quantitative Risk Assessment for NPS 42 from Hargreaves to Blue River Appendix D Terrestrial Noise Technical Report for the Trans Mountain Expansion Project: McMurphy Pump Station Appendix E Project Update Notification Letter, October 23, 2014 Appendix F Project Update Letter, November 28, 2014 Appendix G Letter to Aboriginal Groups, October 16, 2014 Appendix H Letter to Aboriginal Groups, November 28, 2014 Appendix I Letters to Landowners Appendix J Updated Hydraulic Gradient NPS 42 Appendix K Characterization of Residual Effects for Evaluation of Significance Trans Mountain Pipeline (ULC) Trans Mountain Expansion Project NPS 42 Pipeline from Hargreaves to Blue River Page 4 LIST OF FIGURES Figure 2.1.1 Trans Mountain Expansion Project: Revised Configuration Map .......................... 9 Figure 5.1.1 Hargreaves to Blue River 42 Inch Pipeline Overview .......................................... 24 Figure 5.2.1 Location of Proposed Work at McMurphy Pump Station ..................................... 32 LIST OF TABLES table 3.1.1 Preliminary Consultation on Potential Project Changes ...................................... 12 Table 3.1.2 Follow-Up Consultation on Potential Project Changes ........................................ 15 Table 4.1.1 Preliminary Pipe Wall Thicknesses ..................................................................... 18 Table 4.1.2 Proposed Locations of the RMBLVs and Check Valves for the Proposed Revised Pipeline Design Between Hargreaves and Blue River .................................................................................................................... 19 Table 5.1.1 Revisions to Activities to be Conducted at Pump Station Facilities to Accommodate Larger Diameter Pipe from Hargreaves to Blue River ................. 22 Table 5.2.1 Summary of Environmental and Socio-Economic Elements and Considerations for the McMurphy Pump Station ................................................. 26 Table 5.3.1 Potential Effects, Mitigation Measures and Residual Effects of Project Activities at McMurphy Pump Station on Acoustic Environment ......................... 35 Table 5.3.2 Significance Evaluation of Potential Residual Effects of Project Activities at the McMurphy Pump Station on the Acoustic Environment ............. 36 Table 5.3.3 Summary of Sound Level Magnitude for McMurphy Pump Station Construction ........................................................................................................ 37 Table 5.3.4 Summary of Sound Level Magnitude for McMurphy Pump Station Operations ........................................................................................................... 38 Trans Mountain Pipeline (ULC) Trans Mountain Expansion Project NPS 42 Pipeline from Hargreaves to Blue River Page 5 ABBREVIATIONS AND ACRONYMS This table lists the abbreviations and acronyms used in this volume of the application. Term Meaning AER Alberta Energy Regulator ASL ambient sound level bbl/d Barrels per day BC British Columbia BC CDC British Columbia Conservation Data Centre BC OGC British Columbia Oil & Gas Commission BGC biogeoclimatic COSEWIC Committee on the Status of Endangered Wildlife in Canada DUC Ducks Unlimited Canada EMP Emergency Management Program EPP Environmental Protection Plan ESA Environmental and Socio-economic Assessment