International Structure for Dec - OECD Nuclear Energy Agency

Description

Table of contents Executive summary 1. Introduction 1.1 Background 1.2 Scope 1.3 Objective 1.4 Structure of the report 2. Overview of cost estimation for decommissioning 2.1 Requirements and purposes of decommissioning costing 2.2 Types of costs and levels of accuracy 2.3 Overview of estimating approaches 2.4 Cost element definitions 2.5 Overview of cost estimating process 2.6 Identification of decommissioning strategies 2.7 Decommissioning phases, scope of work and major activities 2.8 General factors influencing decommissioning strategy selection 3. Cost structure hierarchy 3.1 Overview 3.2 First hierarchical level: Principal Activities 3.3 Second and third hierarchical levels: Activity Groups and Typical Activities 3.3.1 Principal Activity 01: Pre-decommissioning actions 3.3.2 Principal Activity 02: Facility shutdown activities 3.3.3 Principal Activity 03: Additional activities for safe enclosure or entombment 3.3.4 Principal Activity 04: Dismantling activities within the controlled area 3.3.5 Principal Activity 05: Waste processing, storage and disposal 3.3.6 Principal Activity 06: Site infrastructure and operation 3.3.7 Principal Activity 07: Conventional dismantling, demolition and site restoration 3.3.8 Principal Activity 08: Project management, engineering and support 3.3.9 Principal Activity 09: Research and development 3.3.10 Principal Activity 10: Fuel and nuclear material 3.3.11 Principal Activity 11: Miscellaneous expenditures 3.4 Cost categories 3.5 Presentation matrix for decommissioning costs (ISDC matrix) 4. Application of the ISDC 4.1 Relationship of the ISDC to the decommissioning process and costing 4.2 Approaches for implementation of the ISDC in costing 4.3 Cost estimate reporting 4.3.1 Reporting formats 4.3.2 Cost reporting presentation 5. References Appendix A: Summary of cost item hierarchy Appendix B: List of assumptions and boundary conditions in decommissioning costing Appendix C: Quality assurance and contingency Appendix D: Standardisesd definitions for cost items 01 Pre-decommissioning actions 02 Facility shutdown activities 03 Additional activities for safe enclosure or entombment 04 Dismantling activities within the controlled area 05 Waste processing, storage and disposal 06 Site infrastructure and operation 07 Conventional dismantling, demolition and site restoration 08 Project management, engineering and support 09 Research and development 10 Fuel and nuclear material 11 Miscellaneous expenditures Standardised definitions for cost categories (all major activities) Labour costs Investment costs (capital, equipment and material costs) Expenses Contingency Appendix E: Glossary Contributors to drafting and review