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    Data Analysis and Collection for Costing of Research Reactor Decommissioning: Final Report of the DACCORD Collaborative Project
    Data Analysis and Collection for Costing of Research Reactor Decommissioning: Final Report of the DACCORD Collaborative Project
    Data Analysis and Collection for Costing of Research Reactor Decommissioning: Final Report of the DACCORD Collaborative Project
    Ebook242 pages1 hour

    Data Analysis and Collection for Costing of Research Reactor Decommissioning: Final Report of the DACCORD Collaborative Project

    By IAEA

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    This publication reports on the DACCORD project, which supports Member States in preparing preliminary cost estimates for the decommissioning of research reactors. The report is of particular benefit to programmes with limited decommissioning experience. Costing projects for the decommissioning of research reactors can be broad in scope with many possible inputs and influences that require due consideration in developing the estimate. The publication provides information on unit factors for research reactor decommissioning and a basis for estimating uncertainties and contingencies and for assessing the impact of decommissioning planning and characterization activities. It also addresses the use of the CERREX-D2 (Cost Estimate for Research Reactors in Excel) software code, developed by the IAEA to enable non-specialist users to develop preliminary cost estimates for decommissioning.
    LanguageEnglish
    PublisherInternational Atomic Energy Agency
    Release dateOct 8, 2021
    ISBN9789201088215
    Data Analysis and Collection for Costing of Research Reactor Decommissioning: Final Report of the DACCORD Collaborative Project

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      Book preview

      Data Analysis and Collection for Costing of Research Reactor Decommissioning - IAEA

      1.png

      DATA ANALYSIS AND COLLECTION

      FOR COSTING OF RESEARCH REACTOR

      DECOMMISSIONING

      IAEA NUCLEAR ENERGY SERIES No. NW-T-2.12

      DATA ANALYSIS AND COLLECTION

      FOR COSTING OF RESEARCH REACTOR

      DECOMMISSIONING

      FINAL REPORT OF THE

      DACCORD COLLABORATIVE PROJECT

      INTERNATIONAL ATOMIC ENERGY AGENCY

      VIENNA, 2021

      COPYRIGHT NOTICE

      All IAEA scientific and technical publications are protected by the terms of the Universal Copyright Convention as adopted in 1952 (Berne) and as revised in 1972 (Paris). The copyright has since been extended by the World Intellectual Property Organization (Geneva) to include electronic and virtual intellectual property. Permission to use whole or parts of texts contained in IAEA publications in printed or electronic form must be obtained and is usually subject to royalty agreements. Proposals for non-commercial reproductions and translations are welcomed and considered on a case-by-case basis. Enquiries should be addressed to the IAEA Publishing Section at:

      Marketing and Sales Unit, Publishing Section

      International Atomic Energy Agency

      Vienna International Centre

      PO Box 100

      1400 Vienna, Austria

      fax: +43 1 26007 22529

      tel.: +43 1 2600 22417

      email: [email protected]

      www.iaea.org/publications

      © IAEA, 2021

      Printed by the IAEA in Austria

      September 2021

      STI/PUB/1942

      IAEA Library Cataloguing in Publication Data

      Names: International Atomic Energy Agency.

      Title: Data analysis and collection for costing of research reactor decommissioning : final report of the DACCORD Collaborative Project / International Atomic Energy Agency.

      Description: Vienna : International Atomic Energy Agency, 2021. | Series: IAEA nuclear energy series, ISSN 1995–7807 ; no. NW-T-2.12 | Includes bibliographical references.

      Identifiers: IAEAL 21-01417 | ISBN 978–92–0–108621–1 (paperback : alk. paper) | ISBN 978–92–0–108721–8 (pdf) | ISBN 978–92–0–108821–5 (epub)

      Subjects: LCSH: Nuclear reactors — Decommissioning. | Cost. | International cooperation.

      Classification: UDC 621.039.59 | STI/PUB/1942

      FOREWORD

      The IAEA’s statutory role is to seek to accelerate and enlarge the contribution of atomic energy to peace, health and prosperity throughout the world. Among other functions, the IAEA is authorized to foster the exchange of scientific and technical information on peaceful uses of atomic energy. One way this is achieved is through a range of technical publications including the IAEA Nuclear Energy Series.

      The IAEA Nuclear Energy Series comprises publications designed to further the use of nuclear technologies in support of sustainable development, to advance nuclear science and technology, catalyse innovation and build capacity to support the existing and expanded use of nuclear power and nuclear science applications. The publications include information covering all policy, technological and management aspects of the definition and implementation of activities involving the peaceful use of nuclear technology.

      The IAEA safety standards establish fundamental principles, requirements and recommendations to ensure nuclear safety and serve as a global reference for protecting people and the environment from harmful effects of ionizing radiation.

      When IAEA Nuclear Energy Series publications address safety, it is ensured that the IAEA safety standards are referred to as the current boundary conditions for the application of nuclear technology.

      In 2007, the IAEA established the International Decommissioning Network (IDN) to enhance the sharing of knowledge and experience among Member States and to improve capabilities in the area of decommissioning, thereby facilitating safe and successful decommissioning activities. The importance of cost estimation for decommissioning was discussed at the IDN’s 2011 annual meeting, which noted the lack of detailed published data on the cost of decommissioning research reactors and other small nuclear facilities. This led to the Data Analysis and Collection for Costing of Research Reactor Decommissioning (DACCORD) project, a collaborative endeavour focused on the collection and analysis of decommissioning costs for research reactors and on the development of information and methods to assist in the preparation of preliminary cost estimates.

      The current project, DACCORD Phase 2, is an extension of the initial project. Even as DACCORD Phase 1 met its objectives, it became apparent that further input in the area of planning, characterization and estimation of uncertainty would be of great value in the preparation of preliminary cost estimates. It also became evident that the Cost Estimation for Research Reactors in Excel (CERREX) tool, the backbone of the cost estimating methodology promoted in the DACCORD project, would benefit from enhancements to improve user experience. It was therefore agreed to initiate DACCORD Phase 2 to improve the availability of information in these areas.

      Three main working groups, comprising representatives of different IAEA Member States, undertook this work. They addressed the costing methodology and analysis of costing cases, the impact of characterization strategies on decommissioning costing, and sensitivity and probabilistic analysis. Overall project coordination was provided by a coordinating working group comprising G. Bacsko (Hungary), V. Daniska (Slovakia), P. Gengoux (France), E. Gouhier (France), P. Grossi (Brazil), P. Gui (Italy), A. Gyergyek (Slovenia), K. Krištofová (Slovakia), K. Moshonas Cole (Canada), G. Puskás (Lithuania) and A. Savidou (Greece).

      The IAEA officers responsible for this publication were P.J. O’Sullivan of the Division of Nuclear Fuel Cycle and Waste Technology and V. Ljubenov of the Division of Radiation, Transport and Waste Safety.

      EDITORIAL NOTE

      This publication has been edited by the editorial staff of the IAEA to the extent considered necessary for the reader’s assistance. It does not address questions of responsibility, legal or otherwise, for acts or omissions on the part of any person.

      Although great care has been taken to maintain the accuracy of information contained in this publication, neither the IAEA nor its Member States assume any responsibility for consequences which may arise from its use.

      Guidance provided here, describing good practices, represents expert opinion but does not constitute recommendations made on the basis of a consensus of Member States.

      The use of particular designations of countries or territories does not imply any judgement by the publisher, the IAEA, as to the legal status of such countries or territories, of their authorities and institutions or of the delimitation of their boundaries.

      The mention of names of specific companies or products (whether or not indicated as registered) does not imply any intention to infringe proprietary rights, nor should it be construed as an endorsement or recommendation on the part of the IAEA.

      The IAEA has no responsibility for the persistence or accuracy of URLs for external or third party Internet web sites referred to in this book and does not guarantee that any content on such web sites is, or will remain, accurate or appropriate.

      The contributors are responsible for having obtained the necessary permission for the IAEA to reproduce, translate or use material from sources already protected by copyrights. Material prepared by contributors who are in contractual relation with governments is copyrighted by the IAEA, as publisher, only to the extent permitted by the appropriate national regulations.

      The supplementary files for this publication can be found on the publication’s individual web page at www.iaea.org/publications

      The authoritative version of this publication is the hard copy issued at the same time and available as pdf on www.iaea.org/publications. To create this version for e-readers, certain changes have been made, including a the movement of some figures and tables.

      CONTENTS

      1. INTRODUCTION

      1.1. Background

      1.2. Objective

      1.3. Scope

      1.4. Structure

      2. COST ESTIMATION FOR DECOMMISSIONING

      2.1. Basics of estimating the cost of decommissioning

      2.2. Use of CERREX-D2 for decommissioning cost estimation

      2.3. Cost estimate assumptions and boundary conditions

      2.4. Inventory

      2.5. Unit factors

      3. CERREX-D2 COSTING CASES

      4. ANALYSIS OF COSTING CASES

      4.1. Analysis of results at level 0

      4.2. Analysis by ISDC level 1 activities

      4.3. Comparison with nuclear power plant decommissioning costs

      4.4. Observations

      5. UNCERTAINTY ANALYSIS

      5.1. Probabilistic analysis of input parameters

      5.2. Estimating in scope uncertainty

      5.3. Estimating out of scope uncertainty

      5.4. Conclusions

      6. IMPACTS OF PLANNING AND CHARACTERIZATION ON DECOMMISSIONING

      6.1. Observations from planning and characterization

      6.2. Proposed methodology

      6.3. Analysed results

      6.4. Conclusions

      7. OVERALL CONCLUSIONS

      7.1. Costs of decommissioning research reactors

      7.2. Uncertainty analysis

      7.3. Impact of planning and characterization on decommissioning

      Appendix I: UNIT FACTORS FOR RESEARCH REACTOR DECOMMISSIONING

      Appendix II: USER DEFINED UNIT FACTORS FROM BANDUNG TRIGA 2000 RESEARCH REACTOR CASE

      Appendix III: ILLUSTRATIVE RISK REGISTER FOR THE SLOVENIAN TRIGA MARK II

      Appendix IV: EXAMPLES OF IMPLICATIONS OF DIFFERENT PLANNING AND CHARACTERIZATION STRATEGIES ON COSTS

      Appendix V: QUESTIONNAIRE FROM DACCORD PROJECT PHASE 2 — RADIOLOGICAL CHARACTERIZATION

      Appendix VI: SUPPLEMENTAL INFORMATION FORM

      Appendix VII: TRIGA INVENTORY AND WASTE PARTITIONING

      REFERENCES

      ANNEXES

      ABBREVIATIONS

      CONTRIBUTORS TO DRAFTING AND REVIEW

      STRUCTURE OF THE IAEA NUCLEAR ENERGY SERIES

      1. INTRODUCTION

      1.1. Background

      Phase 2 of the Data Analysis and Collection for Costing of Research Reactor Decommissioning (DACCORD) project was launched in 2016 at the end of the original project, which was initiated in 2012 to support Member States in the development of preliminary cost estimates for research reactor decommissioning. Phase 1 of the project [1] addressed this challenge by identifying benchmarking data, developing reference cases using the Cost Estimation for Research Reactors in Excel (CERREX) cost estimating tool developed by the IAEA, increasing the experience in cost estimation and sharing of knowledge among members of the coordinating working group.

      Well founded preliminary cost estimates are critical for organizations that need to plan for future decommissioning and establish future

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