International Structure for Dec - OECD Nuclear Energy Agency

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