BRUCE HEAVY WATER PLANT DECOMMISSIONING PROJECT

Bruce Heavy Water Plant Decommissioning
Environmental Assessment Study Report
Ontario Power Generation
Final Submission to CNSC
3.1.3 Substances Remaining On Site ................................................................ 3-6
3.1.3.1 Inventory of Nuclear Substances ........................................... 3-6
3.1.3.2 Inventory of Chemical Substances......................................... 3-6
3.2 Roles and Responsibilities ................................................................................... 3-7
3.2.1 OPG ...................................................................................................... 3-7
3.2.2 General Decommissioning Contractor..................................................... 3-7
3.3 Project Works and Activities ............................................................................... 3-8
3.3.1 Set-up and Preparation............................................................................. 3-8
3.3.2 Demolition Methods ................................................................................ 3-9
3.3.3 Decommissioning of Structures............................................................... 3-9
3.3.4 Decommissioning of Buildings.............................................................. 3-12
3.3.5 Decommissioning of Site Services ........................................................ 3-14
3.3.5.1 Services and Tie-outs........................................................... 3-14
3.3.5.2 Surface Water Treatment Facility........................................ 3-14
3.3.5.3 Process Effluent and Sludge Lagoons.................................. 3-15
3.3.6 Land Remediation.................................................................................. 3-16
3.3.7 Waste Management................................................................................ 3-17
3.3.7.1 Radioactive Waste ............................................................... 3-17
3.3.7.2 Subject (Hazardous) Waste.................................................. 3-17
3.3.7.3 Recyclable & Reusable Materials........................................ 3-20
3.3.7.4 Demolition Waste ................................................................ 3-20
3.3.7.5 Solid Waste Volumes........................................................... 3-20
3.3.7.6 Handling and Disposal of Wastewater................................. 3-21
3.3.7.7 Waste Gases......................................................................... 3-22
3.3.8 Workforce .............................................................................................. 3-22
3.4 Compliance Programs........................................................................................ 3-23
3.4.1 Radiation Protection and Safeguards..................................................... 3-23
3.4.2 Health and Safety................................................................................... 3-23
3.4.2.1 General Requirements.......................................................... 3-23
3.4.2.2 Environment, Health & Safety Management Plan............... 3-24
3.4.2.3 Construction Safety.............................................................. 3-25
3.4.2.4 Chemical Safety................................................................... 3-26
3.4.2.5 Fire Safety............................................................................ 3-26
3.4.2.6 Motor Vehicle Safety........................................................... 3-27
3.4.3 Emergency Preparedness ....................................................................... 3-27
3.4.3.1 Emergencies Outside the Construction Islands.................... 3-27
3.4.3.2 Emergencies Within the Construction Islands..................... 3-27
3.4.4 Security Program ................................................................................... 3-28
3.4.5 Quality Assurance.................................................................................. 3-29
3.5 Decommissioning Schedule............................................................................... 3-30
3.6 Decommissioning End State.............................................................................. 3-32
3.6.1 Buildings and Structures........................................................................ 3-32
3.6.2 Site Services........................................................................................... 3-34
3.6.3 Radiological Substances ........................................................................ 3-35
3.6.4 Heavy Water .......................................................................................... 3-35
3.6.5 Chemicals............................................................................................... 3-36
3.6.6 Soil and Water........................................................................................ 3-36
3.6.7 Future Use.............................................................................................. 3-36
4.0 ENVIRONMENTAL ASSESSMENT METHODOLOGY ............................................ 4-1
4.1 Introduction and Overview .................................................................................. 4-1
4.1.1 Spatial Boundaries ................................................................................... 4-2
ii December 2002