Document Number: Usage Classification: Plan 92896-PLAN-00960-00001 N/A Sheet Number: Revision: N/A R003 Title: PRELIMINARY DECOMMISSIONING PLAN – PICKERING WASTE MANAGEMENT FACILITY Preliminary Decommissioning Plan – Pickering Waste Management Facility 92896-PLAN-00960-00001-R003 December 2016 Order Number: N/A Other Reference Number: Updated By: K. Gillin Reviewed By: A. Iliescu Senior Consultant Senior Engineer Candesco Division of Decommissioning & Kinectrics Inc. Safe Storage Engineering, OPG Reviewed By: M. Grey Approved By: V. Seegobin Principal Consultant Manager Candesco Division of Decommissioning & Kinectrics Inc. Safe Storage Engineering, OPG Associated with document type PLAN N-TMP-10010-R012, Controlled Document or Record (Microsoft® 2007) OPG Proprietary Document Number: Usage Classification: Plan 92896-PLAN-00960-00001 N/A Sheet Number: Revision Number: Page: N/A R003 2 of 100 Title: PRELIMINARY DECOMMISSIONING PLAN - PICKERING WASTE MANAGEMENT FACILITY Table of Contents Page List of Tables and Figures ........................................................................................................... 6 Revision Summary ...................................................................................................................... 7 Acronyms .................................................................................................................................... 8 Abstract....................................................................................................................................... 9 1.0 INTRODUCTION ........................................................................................................ 10 2.0 DESCRIPTION OF THE PICKERING WASTE MANAGEMENT FACILITY AND SURROUNDING AREA ............................................................................................. 12 2.1 Pickering Nuclear Site ................................................................................................ 12 2.2 Pickering Waste Management Facility ........................................................................ 13 2.2.1 Dry Storage Containers .............................................................................................. 14 2.2.2 Dry Storage Modules .................................................................................................. 16 2.2.3 Pickering Waste Management Facility Phase I ........................................................... 17 2.2.3.1 Dry Storage Container Processing Building ................................................................ 18 2.2.3.2 Dry Storage Container Storage Buildings 1 and 2 ....................................................... 22 2.2.3.3 Retube Components Storage ..................................................................................... 22 2.2.4 Pickering Waste Management Facility Phase II .......................................................... 24 2.2.4.1 Phase II Dry Storage Container Processing Building .................................................. 26 2.2.4.2 Dry Storage Container Storage Buildings 3 and 4 ....................................................... 28 2.3 Description of the Environment ................................................................................... 30 2.3.1 Natural Environment ................................................................................................... 30 2.3.2 Geophysical Environment ........................................................................................... 31 2.3.2.1 Soils ........................................................................................................................... 31 2.3.2.2 Bedrock ...................................................................................................................... 31 2.3.2.3 Groundwater ............................................................................................................... 32 2.3.2.4 Seismicity ................................................................................................................... 32 2.3.3 Aquatic Environment .................................................................................................. 33 2.3.3.1 Drainage ..................................................................................................................... 33 2.3.3.2 Fish ............................................................................................................................ 34 2.3.3.3 Lake Water Levels ...................................................................................................... 34 2.3.4 Current Use of the Adjacent Land ............................................................................... 34 2.3.5 Local Communities ..................................................................................................... 35 2.3.6 Aboriginal Communities .............................................................................................. 37 2.3.7 Community Relationships ........................................................................................... 38 2.4 History and Current Status ......................................................................................... 39 N-TMP-10010-R010 (Microsoft® 2007) OPG Proprietary Document Number: Usage Classification: Plan 92896-PLAN-00960-00001 N/A Sheet Number: Revision Number: Page: N/A R003 3 of 100 Title: PRELIMINARY DECOMMISSIONING PLAN - PICKERING WASTE MANAGEMENT FACILITY 3.0 PRELIMINARY DECOMMISSIONING PLAN ............................................................. 40 3.1 Applicable Legislation, Standards and Regulatory Guidance ...................................... 40 3.2 Planning Assumptions ................................................................................................ 41 3.3 Scope of the Preliminary Decommissioning Plan ........................................................ 44 3.4 Objective of the Decommissioning .............................................................................. 45 3.5 Decommissioning Strategy ......................................................................................... 45 3.6 Predicted Characteristics at Decommissioning ........................................................... 46 3.6.1 Dry Storage Container Processing Buildings .............................................................. 46 3.6.2 Dry Storage Container Storage Buildings ................................................................... 46 3.6.3 Dry Storage Modules .................................................................................................. 47 3.6.4 Pickering Waste Management Facility Site Areas ....................................................... 47 3.7 Canadian and International Decommissioning Strategies and Experience.................. 48 4.0 DESCRIPTION OF PLANNED DECOMMISSIONING ACTIVITIES ........................... 49 4.1 Decommissioning Phases .......................................................................................... 50 4.1.1 Planning for Decommissioning ................................................................................... 50 4.1.2 Preparation for Decommissioning ............................................................................... 51 4.1.2.1 Regulatory Approvals ................................................................................................. 52 4.1.2.2 Removal of Used Fuel ................................................................................................ 52 4.1.2.3 Removal of Retube Components ................................................................................ 52 4.1.2.4 Removal of Hazardous Materials ................................................................................ 52 4.1.2.5 Detailed Decommissioning Plan ................................................................................. 53 4.1.3 Execution of Decommissioning ................................................................................... 55 4.1.3.1 Post-Operational Surveys ........................................................................................... 56 4.1.3.2 Preparation and Mobilization ...................................................................................... 56 4.1.3.3 Decontamination and Dismantling of Systems and Structures .................................... 57 4.1.3.4 Site Restoration .......................................................................................................... 59 4.1.3.5 Waste Management ................................................................................................... 60 4.1.3.6 Surveys ...................................................................................................................... 63 4.1.4 Completion of Decommissioning ................................................................................ 66 4.1.4.1 End State.................................................................................................................... 66 4.1.4.2 Licence to Abandon .................................................................................................... 66 5.0 DECOMMISSIONING COST ESTIMATE AND FINANCIAL GUARANTEE ............... 67 5.1 Cost Estimate ............................................................................................................. 67 5.2 Financial Guarantee ................................................................................................... 68 6.0 HUMAN AND ORGANIZATIONAL