IAEA s Technical Safety Review Services

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1 IAEA s Technical Safety Review Services Anthony Ulses Safety Assessment Section Division of Nuclear Installation Safety Department of Nuclear Safety and Security 1

2 Contents IAEA Background and Activities IAEA Safety Standards Review Services 2

3 Contents IAEA Background and Activities IAEA Safety Standards Review Services 3

4 Who we are 4

5 Safety Assessment Section (SAS) To provide Member States (MSs) with up to date safety assessment and design safety standards based on current technology and best practices To support MSs with advice and review services in the implementation of safety assessment and design safety standards To develop safety assessment knowledge requirements and provide support to MSs in safety assessment competency and capacity building 5

6 Areas of Responsibility Design Safety Analysis and Assessment Implementation and Training 6

7 Future Strategic Focus Consistent revision of the IAEA Safety Guides Support of the Member States in their practical implementation of the updated IAEA Safety Standards via technical safety review services, education & training programmes and workshops Gather insights on applicability of available IAEA Safety Standards to new reactor designs Intensify promotion of the IAEA Technical Safety Review (TSR) services to achieve the request of Member States 7

8 Contents IAEA Background and Activities IAEA Safety Standards Review Services 8

9 Safety Standards Hierarchy Global Reference Point for a High Level of Nuclear Safety 9

10 Safety Standards Structure Safety Fundamentals Fundamental Safety Principles General Safety Requirements Part 1. Governmental, Legal and Regulatory Framework for Safety Part 2. Leadership and Management for Safety Part 3. Radiation Protection and Safety of Radiation Sources Part 4. Safety Assessment for Facilities and Activities Part 5. Predisposal Management of Radioactive Waste Part 6. Decommissioning and Termination of Activities Specific Safety Requirements 1. Site Evaluation for Nuclear Installations 2. Safety of Nuclear Power Plants 2.1 Design 2.2 Commissioning and Operation 3. Safety of Research Reactors 4. Safety of Nuclear Fuel Cycle Facilities 5. Safety of Radioactive Waste Disposal Facilities 6. Safe Transport of Nuclear Material Part 7. Emergency Preparedness and Response Collection of Safety Guides 10

Commission and Committees Commission on Safety

Committee (WASSC) Transport Safety Standards

11 Commission and Committees Commission on Safety Standards (CSS) Nuclear Safety Standards Committee (NUSSC) Radiation Safety Standards Committee (RASSC) Waste Safety Standards Committee (WASSC) Transport Safety Standards Committee (TRANSSC) Emergency Preparedness Safety Standards Committee (EPReSC) 11

12 Process Flow for the Development Outline and work plan Prepared by the Secretariat Review by the committees and Commission on Safety Standards Drafting or revising of safety standard by the Secretariat and consultants Review by the safety standards committee(s) Member States Endorsement by Commission on Safety Standards SF and SRs approved by BoG SGs approved by DG Establishment by the IAEA s Director General or BoG Publication 12

13 Involvement of Stakeholders Participation by the different stakeholders (for example, regulators, operators, designer and TSOs) during the drafting and review phase is a long established practice 13

14 Safety Assessment Safety objectives and safety principles Functional conditions required for safety Guidance on how to fulfil the requirements Revised after the Fukushima Daiichi accident Main changes Margins to withstand external events and to avoid cliff-edge effects Multiple facilities / activities at one site Cases where resources are shared Human factors in accident conditions 14

15 Relevant Safety Guides Safety objectives and safety principles Functional conditions required for safety Guidance on how to fulfil the requirements 15

16 Design Safety objectives and safety principles Functional conditions required for safety Guidance on how to fulfil the requirements To be implemented by the designer to fulfill the fundamental safety functions with the appropriate level of defence in depth To be used by the reviewer of the design (e.g. by the Regulatory Authority) to assess the safety of the design 16

17 Relevant Safety Guides Safety objectives and safety principles Functional conditions required for safety Guidance on how to fulfil the requirements 17

18 Contents IAEA Background and Activities IAEA Safety Standards Review Services 19

19 Technical Safety Review (TSR) The TSR incorporates IAEA safety assessment and design safety technical review services to address the needs of Member States at all stages of development and implementation of the nuclear power programme. TSR 20

Objectives Scope Tailored, independent evaluation of the plant safety assessment and design safety documentation Recommendations for enhancements to safety Assistance in following topics Safety of

20 Objectives Scope Tailored, independent evaluation of the plant safety assessment and design safety documentation Recommendations for enhancements to safety Assistance in following topics Safety of operating and new nuclear plant designs Safety Analysis Report Safety Requirements developed by regulatory authorities Safety assessments, also related to plant modifications Action taken to address emerging safety issues Periodic Safety Reviews 21

prepares and conducts evaluation with support

MEETING: Staff conducts meeting at the site

21 General Process 1. REQUEST: Member State sends a formal request to the IAEA staff 2. PREPARATION: IAEA staff plans review; prepares and conducts evaluation with support of international experts 3. MEETING: Staff conducts meeting at the site to discuss observations and performs evaluations 4. REPORT: Staff finalizes the review report at headquarters and provides to requesting party 5. FOLLOW-UP: Requesting party considers inviting a follow-up service 22

22 Generic Reactor Safety (GRS) Review DESCRIPTION Review service conducted by the IAEA staff and international experts to review the safety case of new reactor design against the requirements of IAEA Safety Standards on Safety Assessment for Facilities and Activities (GSR Part 4) and Safety of NPPs: Design (SSR-2/1) OBJECTIVE To enable the requesting party to understand to which extent the safety case is complete and comprehensive in addressing the requirements of the safety standards PROCESS The process takes between 6-8 months to complete. Funded by the requesting party OUTPUT A report summarizing the extent to which the safety case addresses the requirements and, if needed, recommendations for improvement of completeness and comprehensiveness are provided 23

23 Design Safety (DS) Review DESCRIPTION The review service conducted by the IAEA staff and international experts to review the safety of designs of nuclear power plants against the IAEA Safety Standards. The review can be limited to specific technical areas OBJECTIVE To assist the requesting Member State to review the safety documentation for nuclear power plants and to make recommendations in order to enhance safety PROCESS The process includes preparatory work by the review team and review meetings that usually last two weeks. Funded by the requesting party or through technical cooperation projects OUTPUT A report summarizing the findings of the review and, if needed, includes a set of recommendations to improve the adherence to the IAEA Safety Standards 24

24 Safety Requirements (SR) Review DESCRIPTION Peer review service conducted by the IAEA staff and international experts to review the national safety requirements for the design or safety assessment of nuclear power plants against the IAEA Safety Standards. The review can be limited to specific requirements of interest OBJECTIVE To assist the requesting Member State in the process of issuing or revising national safety requirements for the design or safety assessment of nuclear power plants to enhance safety PROCESS The process includes preparatory work by the review team and review meetings that usually last two weeks. Funded by the requesting party or through technical cooperation projects OUTPUT A report summarizing the findings of the review and, if needed, includes a set of recommendations or suggestions to improve the adherence to the IAEA Safety Standards 25

25 Probabilistic Safety Assessment (PSA) Review DESCRIPTION The PSA review is conducted by the IAEA staff and international experts of Probabilistic Safety Assessments (PSAs) on the basis of Safety Guides SSG-3* and SSG-4** OBJECTIVE To assist for the assessment of the adequacy of the treatment of technological and methodological issues in the PSA To assist for the assessment whether the PSA applications and conclusions are adequately supported by the provided analysis PROCESS The process includes preparatory work by the review team and review meetings that usually last two weeks. Funded by the requesting party or through technical cooperation projects OUTPUT A report summarizing the findings of the review and, if needed, includes a set of recommendations to improve the PSA quality and applicability * Development and Application of Level 1 Probabilistic Safety Assessment For Nuclear Power Plants ** Development and Application of Level 2 Probabilistic Safety Assessment For Nuclear Power Plants 26

26 Accident Management (AM) Review DESCRIPTION Review service conducted by the IAEA staff and international experts of accident management programme (AMP) in Member States on the basis of Safety Standards GSR Part 4* and NS-G-2.15** and guideline SVS-9*** OBJECTIVE To advise and assist the regulatory body, utility or technical support organization in the development and implementation of an accident management programme PROCESS The process includes preparatory work and the review of the AMP and associated documentation. The review usually lasts two weeks. Funded by the requesting party or through technical cooperation projects OUTPUT A report describing the review performed, the review findings and, if needed, recommendations in improving the plant specific AMP *Safety Assessment for Facilities and Activities **Safety Guides Severe Accident Management Programmes for Nuclear Pow er Plants ***Guidelines for the review of accident management programmes in nuclear pow er plants 27

27 Review of Periodic Safety Review (PSR) DESCRIPTION Service conducted by IAEA staff and international experts to review the PSR programme against the IAEA Safety Standards on Safety Assessment for Facilities and Activities (GSR Part 4) and the Safety Guide SSG-25 Periodic Safety Review of Nuclear Power Plants OBJECTIVE To assist the requesting party in establishing and implementing PSR programmes according to the IAEA Safety Standards, to assure high level of safety throughout the nuclear power plant s operating lifetime PROCESS The process includes preparatory work by the review team and review services that usually last two weeks. It is funded by the requesting party or through technical cooperation projects OUTPUT A report summarizing findings and, if needed, recommendations to improve the adherence to the IAEA Safety Standards 28

28 Thank you for your kind attention! 29

Design Safety and Safety Assessment Review Service (DESARS)

Technical Meeting on Safety Challenges for New Nuclear Power Plants Design Safety and Safety Assessment Review Service (DESARS) IAEA, Vienna, 22 26 June 2015 J. Yllera IAEA, Division of Nuclear Installation