The UK's Report on Compliance with the Obligations of the International Convention on Nuclear Safety

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The UK's Report on Compliance with the Obligations of the International Convention on Nuclear Safety THE UNITED KINGDOM’S NATIONAL REPORT ON COMPLIANCE WITH THE OBLIGATIONS OF THE INTERNATIONAL CONVENTION ON NUCLEAR SAFETY Revision 2, September 2001 URN 01/292 Contributors to the UK 's National Report The Health and Safety Executive prepared this report in consultation with and incorporating contributions from: { British Energy plc { British Nuclear Fuels plc { Department for Environment, Food and Rural Affairs { Department of Trade and Industry { Environment Agency { Food Standards Agency { Home Office { Magnox Electric plc { National Assembly for Wales { Scottish Environment Protection Agency { Scottish Executive Rev. 2 ii FOREWORD This report has been prepared by the United Kingdom (UK) to meet the requirement of Article 5 of the Convention on Nuclear Safety. It considers each of the Convention's obligations and explains how the UK addresses them. The report only covers land based civil nuclear power plant, that is, nuclear installations as de­ fined within Article 2 of the Convention. The safety of other UK nuclear facilities outside the scope of the Convention are also regulated and operated in a manner that maintains a high level of safety. The UK has no nuclear installations where significant corrective actions were necessary to comply with the Convention. This is because for many years the UK has been monitoring and improving the safety of its nuclear installations. This activity will continue in the future. Rev. 2 iii Table of contents Page Executive Summary 1 Introduction 3 National policy towards nuclear activities 3 Main Nuclear Safety Issues recently considered or being considered in the UK 4 Nuclear Installations in the UK 9 Information requested by First Review Meeting 10 Information requested by First Review Meeting relevant to Articles 6 to 19 17 Answers to written questions on first national report 25 ARTICLE 6: EXISTING NUCLEAR INSTALLATIONS 27 Nuclear installations in the UK 27 History of nuclear power generation in the UK 28 Regulatory inspection of nuclear installations 29 Nuclear Installations' Safety Reviews 30 Further operation of the UK's installations 33 Answers to written questions on first national report 35 ARTICLE 7: LEGISLATIVE AND REGULATORY FRAMEWORK 39 Legislative and Regulatory Framework 39 Laws, regulations and requirements 41 Notification of incidents 45 Licensing system 45 Framework for regulatory judgement 47 Answers to written questions on first national report 48 ARTICLE 8: REGULATORY BODY 50 Mandate and Duties of the Regulatory Body 50 Regulatory Authority and Responsibilities 51 Structure of the Regulatory Body 51 Financial Resources 52 Human Resources 52 Relationship of HSE with government departments and other regulators 53 Relationship of HSE to bodies responsible for promotion of nuclear energy 53 The Nuclear Safety Advisory Committee 54 The Ionising Radiations Advisory Committee 55 International Activities 55 Answers to written questions on first national report 57 ARTICLE 9: RESPONSIBILITY OF THE LICENCE HOLDER 57 Responsibilities of the licence holder 57 Ensuring operators meet their primary responsibility for safety 57 Answers to written questions on first national report 59 ARTICLE 10: PRIORITY TO SAFETY 61 Health and Safety Commission and the Executive's priority to safety 61 Licensees’ priority to safety 61 Principles related to safety 62 BNFL Vision and Principles 65 British Energy’s Health and Safety Policy and Principles 65 Regulatory control 66 Answers to written questions on first national report 67 Rev. 2 iv Table of contents cont. Page ARTICLE 11: FINANCIAL AND HUMAN RESOURCES 69 Financial resources 69 Financing safety improvements during operational life 70 Financing radioactive waste management at nuclear installations 70 Financing decommissioning programmes 71 Human resource arrangements of licensees for safety related activities 72 Regulatory requirements 75 Answers to written questions on first national report 76 ARTICLE 12: HUMAN FACTORS 79 Human performance 79 Methods to prevent, detect and correct human errors 79 Managerial and Organisational issues 81 Role of HSE in Human Factors Assessment & Inspection 84 Answers to written questions on first national report 86 ARTICLE 13: QUALITY ASSURANCE 89 Regulatory Policy and Requirements 89 Operator's QA programme 89 Operator's Implementation 90 Operator's Assessment 91 HSE regulatory control activities 91 Answers to written questions on first national report 93 ARTICLE 14: ASSESSMENT AND VERIFICATION OF SAFETY 95 The UK's safety case regime 95 Licence Requirements including Review Periodicity 96 Outage Reviews 100 Periodic Safety Reviews (PSRs) 100 Summary of generic results 101 Verification programmes undertaken by licensees 101 Regulatory validation activities 105 Answers to written questions on first national report 109 ARTICLE 15: RADIATION PROTECTION 111 Summary of laws, regulations and requirements 111 Implementation 113 Regulatory Activities 115 Answers to written questions on first national report 118 ARTICLE 16: EMERGENCY PREPAREDNESS 121 Laws and Regulatory Requirements 121 Implementation 125 Classification of emergencies 126 Emergency response 126 Role of organisations dealing with nuclear emergencies 129 Radioactivity Monitoring 137 Public Information 137 Longer term actions 140 Emergency Exercises 140 International Arrangements 141 Extendibility 141 Answers to written questions on first national report 142 Rev. 2 v Table of contents cont. Page ARTICLE 17: SITING 145 National Laws, Regulations for Planning and Licensing Process 145 Government Siting Policy 146 Implementation 147 Maintaining the continued acceptability of the site 149 International Arrangements 150 Answers to written questions on first national report 151 ARTICLE 18: DESIGN AND CONSTRUCTION 153 Licensing process and regulatory control 153 Defence in depth 154 Prevention of accidents and their mitigation 156 Technologies proven by experience or qualified by testing or analysis 158 Requirements on reliable, stable and easily manageable operation 158 Answers to written questions on first national report 159 ARTICLE 19: OPERATION 163 Licensing process and national law 164 Obligations under Article 19 164 Article 19(i) Initial Authorisation 164 Article 19(ii) Operational Limits and Conditions 165 Article 19(iii) Approved Procedures 166 Article 19(iv) Operational Occurrences and Accidents 166 Article 19(v) Engineering and Technical Support 167 Article 19(vi) Incident Reporting 169 Article 19(vii) Operating Experience 170 Article 19(viii) Radioactive Waste 170 Other Licence Conditions relevant to Operation 173 Answers to written questions on first national report 175 References 179 Glossary and Abbreviations 181 Annexes 186 1. Civil Nuclear Power Stations - Key Parameters 187 2. HSE's powers under a nuclear site licence 189 3. List of Generic Issues for the Magnox Periodic Reviews. 190 4. Nuclear Site Licence: Standard Licence Conditions. 195 5. Extracts from the Health and Safety at Work etc. Act 1974 210 6. Extracts from the Nuclear Installations Act 1965 (as amended) 213 7. Extracts from HSE's 'Tolerability of Risk' 216 8. Extracts from HSE's Safety Assessment Principles 218 9. Operators' Accounts: [DELETED – REFERENCES WEB SITES] 221 10. British Energy's Segregated Fund for decommissioning costs 222 11. Key issues from First Review Oral Questions 227 Rev. 2 vi Table of contents cont. Page Tables 242 1. Status of Periodic Safety Reviews 243 2. Principle nuclear installation life phases requiring safety reports 244 3. Pre-construction Safety Report (PCSR) 245 4. Pre-operational Safety Report (POSR) 246 5. Station Safety Report (SSR) 247 6. Periodic Safety Review 247 7. Dose information for classified persons - nuclear installations 248 Figures 249 1. Structure of HSE 250 2. Structure of HSE's Safety Policy Directorate's Nuclear and Hazardous Installations Policy Division 251 3. Structure of HSE's Nuclear Safety Directorate 252 4. Tolerability of Risk Diagram 253 5. Emergency Arrangements Structure 254 6. Off-site Facility Representatives 255 7. NEBR and SEER Representatives 256 Rev. 2 vii UK REPORT FOR THE CONVENTION ON NUCLEAR SAFETY EXECUTIVE SUMMARY Purpose and structure of the Report This report is the UK's submission to the second review meeting of the Contracting Parties to the Convention on Nuclear Safety (CNS). It considers each of the Convention's obligations and explains how the UK meets them. The report only considers nuclear installations that are within the scope of Article 2 of the CNS (that is, land based civil nuclear power plant). As a result, the UK's report does not consider Northern Ireland, the Isle of Man or the Channel Is­ lands since the nuclear installations are all sited in England, Scotland and Wales. However, to avoid confusion this report uses 'the UK' where strictly speaking 'Great Britain' would be more accurate. The safety of other UK nuclear facilities outside the scope of the CNS are also regu­ lated and operated in a manner that maintains a high level of safety. In preparing this second report the following approach has been taken: • The introduction includes the main nuclear issues that have been considered in the UK since the first report was prepared and addresses the issues that were raised at the first Review Meeting on the UK’s report and Contracting Parties’ reports in gen­ eral. • The other chapters in the report on the articles of the CNS are mostly the same as those in the first report, but have been updated as necessary. Significant changes are shown by underlining new text or lines through
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