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IAEA Nuclear Safety Action Plan Dashboard


Action 1 - Safety Assessments

"Undertake assessment of the safety vulnerabilities of nuclear power plants in the light of lessons learned to date from the accident at TEPCO's Fukushima Daiichi Nuclear Power Station"

 

Activities

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Title Status
(Activity) IAEA Secretariat to observe the European Union "Stress Test" Topic Meetings. Completed
IAEA Secretariat participated as observer in the topical meetings of the European Union (EU) stress test review, in February 2012 in Luxembourg where three topical areas were addressed : external hazards, los of safety systems and severe accident management. Completed
In December 2012 the Secretariat and the European Community Joint Research Centre organized a technical meeting on "Safety Assessment of Operating Nuclear Power Plants". Experts from operating organizations and regulatory bodies from 15 Member States discussed the safety assessments (stress tests) carried out to verify the NPP design bases for relevant natural hazards in the light of lessons learned from the Fukushima accident. Topics included : Results of European Union (EU) and non-EU safety assessments, aspects of implementation and experiences learned the actions derived from the safety assessments and implementation strategies the IAEA Action Plan on Nuclear Safety, implementation and results and the IAEA Methodology for Assessment of safety vulnerabilities of nuclear power plants against site specific extreme natural hazards. Completed
(Activity) IAEA Secretariat to write a report compiling results of national assessments provides by Member States to the CNS 2nd Extraordinary meeting. In progress
(Activity) IAEA Secretariat to make available a methodology for assessments of the safety vulnerabilities of nuclear power plants in the light of lessons learned to date from the accident. Completed
IAEA developed a methodology for assessing the safety vulnerabilities of a nuclear power plant based on the IAEA Safety Standards. Therefore, IAEA Secretariat validated a tool developed to extend the application of the IAEA Methodology to Assess the Safety Vulnerabilities of Nuclear Power Plants against Site Specific Extreme Natural Hazards to include consideration of the robustness of NPP systems in relation to the combined effects of extreme natural events. Completed
(Activity) IAEA Secretariat to review and revise the methodology based on new lessons learned. In progress
(Activity) IAEA Secretariat to respond to Member States requests for support in performing national assessment of the design of nuclear power plants against site specific extreme natural hazards, as necessary. Completed
IAEA conducted an international expert mission in January 2012 aimed to review the approach of the Nuclear and Industrial Safety Agency (NISA) to the Comprehensive Assessments for the Safety of Existing Power Reactor Facilities. Completed
(Activity) IAEA Secretariat to respond to Member States requests for support for implementing the results of their national assessments as necessary. Completed
At the request of the Government of Japan, the IAEA conducted an international expert mission in January 2012 aimed to review the approach of the Nuclear and Industrial Safety Agency (NISA) to the Comprehensive Assessments for the Safety of Existing Power Reactor Facilities. The IAEA methodology was used to ascertain whether the safety assessment process of NISA had the appropriate consideration of external hazards, evaluation of safety margins, plant vulnerabilities and severe accident management. Completed
The Secretariat organized and conducted an expert mission to the Onagawa NPP in Japan in July 2012. The objective of the mission was to examine the possible effects of the Great East Japan Earthquake (GEJE) on the performance of SSCs important to safety at the Onagawa NPP. The effects of the earthquake, tsunami and hydrogen explosions at the Fukushima Daiichi NPP make it impossible to identify the impact of the GEJE on SSCs. The mission considered the response of the SSCs at Onagawa NPP to the high level of ground motion experienced from the earthquake and to collect information for inclusion into an earthquake experience database being developed by the IAEA International Seismic Safety Centre (ISSC). Completed
(Activity) IAEA Secretariat to increase its capacity to provide advice or assistance on the design of nuclear power plants against site specific extreme natural hazards considering the future requests from Member States. This includes establishing (internal and external) teams competent in the application of the methodology for assessments of the safety vulnerabilities of nuclear power plants in the light of lessons learned to date from the accident. In progress
Observation of Stress Test Missions Completed
To conduct NPP Robustness review missions. In progress
The Secretariat held a regional workshop on Siting and Site Evaluation for Nuclear Installations in South Africa in September 2013 with the objective of introducing the IAEA safety standards related to site selection and evaluation to participants from Member States embarking on a nuclear power program. The workshop was attended by 68 participants from 10 Member States. The lessons learned from recent extreme natural events were discussed as well as the revision of the relevant safety standards. A key activity undertaken at the workshop was to assist Member States in identifying the important actions that need to be taken at the start of a nuclear power program. The workshop also covered the topics of monitoring systems for external events, the need for periodic safety reviews and communication with the public. Completed
The Secretariat and the Atomic Energy Regulatory Board of India jointly organized an International Workshop on the Safety of Multi-unit NPP Sites against External Natural Hazards at the Bahbha Atomic Research Centre in Mumbai, India, in October 2012. . The Workshop was attended by 70 participants from 13 Member States. The objective of the workshop was to share information on the scientific and technical issues related to the safety of multi-unit NPP sites in relation to external natural hazards in the light of the accident at TEPCO Fukushima Daiichi Nuclear Power Station (the Fukushima Daiichi accident). The workshop covered the lessons learned from past earthquakes affecting NPPs, the assessment of external natural hazards at sites with multiple NPPs, external event PSA, and external event site safety assessment. Completed
(Activity) IAEA to provide technical documentation in key areas such as severe accidents, simulation of accident scenarios, electrical and cooling systems and other engineered safety features related to reactor designs in the light of TEPCO Fukushima Daiichi accident. In progress
Contribution of paleoseismology to seismic hazard assessment in site evaluation for nuclear installations (TECDOC). In progress
Produce a Safety Report on Ground motion simulation based on fault rupture modeling for seismic hazard assessment in site evaluation for nuclear installations. In progress
Produce a Safety Report on Diffuse seismicity on seismic hazard assessment in site evaluation for nuclear installations. In progress
Produce a TECDOC on Ground motion prediction equations (GMPEs) and site response on seismic hazard assessment in site evaluation for nuclear installations. In progress
Do a Deep borehole seismic observation technology and site response database. In progress
Produce the TECDOC Series No. 1722. on Review of Seismic Evaluation Methodologies for Nuclear Power Plants Based on a Benchmark Exercise. Completed
Produce a TECDOC on Seismic Instrumentation and its use in Post Earthquake Decision making at Nuclear Power Plants. In progress
Organization of Technical Meeting on Methodology of Equipment Qualification for Harsh Environment and Seismic Impacts In progress
Organization of Technical Meeting on Lessons learned from Kashiwazaki-Kariwa, Fukushima, Onagawa and North Anna NPP seismic case. In progress
Produce a TECDOC on Seismic Isolation Systems. In progress
Revision of IAEA SR 28 - Safety Report Methodologies for Seismic Safety Evaluation of Existing Nuclear Installations. In progress
Revision of IAEA TECDOC 724 "Implementation Guidelines for Seismic PSA". In progress
Produce a Safety Report on Tsunami hazard assessment. Completed
Produce a Database Catalogue of volcano induced tsunami. (The document will contain improved and updated database of volcano-triggered tsunamis). In progress
Produce a Database Catalogue of landslide induced tsunami. (An improved and updated database of landslide-triggered tsunamis will be presented in the document). In progress
Produce a TECDOC on Benchmarking of hazards induced by recent large tsunami. In progress
Produce a TECDOC on Volcanic Hazard assessments for nuclear installations: Methods and examples in site evaluation. Completed
Organise a Training on volcanic hazards assessment. (The program on volcanic hazard assessment based on the IAEA safety standards SSG-21 and the proposed TECDOC for training the Member States.) In progress
Produce a New Safety Report on "Integrated Tsunami Design and PSA Procedures for Nuclear Safety" In progress
Produce a Safety report: Framework and Process for Multi-unit Site Probabilistic Safety Assessment. In progress
Produce a Safety Report : External hazard considerations for single and multi-unit Probabilistic Safety Assessment . In progress
Produce a Safety report: Technical approach for multiunit site probabilistic safety assessment. In progress
The Secretariat held a technical meeting in December 2013, on the Probabilistic Safety Analysis. Quality for Various Applications in NPPs . The purpose of the meeting was to create an international forum for discussion on the current practices and recent developments in Level 1 Probabilistic Safety Assessment (PSA) for both internal and external hazards and for all modes of operation of an NPP. Insights for further improvement of the PSA methodology highlighted by the Fukushima Daiichi accident and recent national experience in addressing external hazards in PSA were considered. The proceedings of the Meeting will form the basis for the development of an IAEA Technical Document (TECDOC). Completed
Organisation of a Consultancy Meeting on insights for improvement of Level-2 PSA methodology based on lessons learned from Fukushima accident. Completed
Organize and conduct a Technical Meeting on Further Enhancement of Nuclear Power Plant (NPP) Safety by Developing and Applying PSA-Based Methods for Complementary Assessment of Robustness of NPPs against the Impact of Extreme Event. Planned
Produce an IAEA Technical Document on Probabilistic Safety Analysis Quality for Various Applications in Nuclear Power Plants: Extension to Internal and External Hazards, Low Power and Shutdown Modes of Operation. In progress
Organise an International Workshop on Multi-Unit Probabilistic Safety Assessment. Planned
Produce a TECDOC on Portable Power Supplies to Cope with Long Term Station Blackout. Planned
A Technical Meeting on Severe Accident Mitigation through Improvements in Filtered Containment Venting for Water Cooled Reactors will be organized in July 2014. Planned
Produce a TECDOC on Accident Monitoring Instrumentation I&C for Nuclear Power Plants. In progress
Produce a document on Evaluation of Nuclear Power Plant Design Safety in the Aftermath of the Fukushima Daiichi Accident. In progress
Produce a TECDOC on Engineered safety features. In progress
Produce a Safety report: entitled "Assessment of external flooding (Excluding Tsunami) and High wind Hazards in site evaluation for nuclear installations". In progress
Organize and conduct the International Conference on Topical Issues on Defence-in-Depth - Advances and Challenges for Nuclear Installation Safety. And produce a report on Topical Issues on Defence-in-Depth-Advances and Challenges for Nuclear Installation Safety . In progress
Produce a TECDOC on Approaches to Ageing Management for Nuclear Power Plants: International Generic Ageing Lessons Learned (IGALL) IAEA TECDOC Series No. 1736. Completed
Produce a TECDOC Guideline on Source Term Evaluation for Severe Accidents to consider lessons learned from Fukushima Dai-Ichi Accidents. In progress
Produce a TECDOC Guideline on Extended Damage Mitigation (EDMG) against Extreme Events for nuclear power plants. In progress
Produce a TECDOC on Essential Communication on Safety of Nuclear Installations against external hazards. In progress
Produce Documents on On-site Accident Management Strategies Programmes and Emergency Operating Procedures. In progress
European Commission EC Project (3 years) In progress
Provide a practical guidance to help strengthen the safety culture Completed
Publication of TECDOC-1707 on Regulatory Oversight of Safety Culture in Nuclear Installations. Completed
IAEA Secretariat to make available to Member States the ISSC Information System. In progress
Make available to Member States the ISSC Information System Completed
Create a Earthquake Environmental Effects (EEE) Database. Completed
Create a Environmental Seismic Intensity Database. Completed
Create a Environmental Seismic Intensity Database. (V3 beta) In progress
Creation of the ISSC Earthquake Knowledge Database (ISSC EKD) - It contains recent and historical global earthquakes beginning from 1972 up to date. This is used to determine earthquake experience at Nuclear Installation Sites. Completed
Creation of a Receiving Japan Earthquake Database. (The scope is to receive Japan earthquake data and sharing of this data with the Member States) Completed
Creation of a Sharing Tsunami Database (It is a compilation of available tsunami database and catalogues, and sharing these data with the international community on the ISSC Portal) Completed
Create a Real-time Tsunami Forecasting System. (This system combines real-time seismic and sea level data with numerical models to produce efficient tsunami forecasts of wave arrival times, heights, and inundation around Nuclear Installation Sites.) In progress
Create a program on tsunami hazard assessment methodologies for training the Member States Completed
Creation of the Seismic source potential from paleoseismology and Environmental Seismic Intensity Database In progress
(Activity) The Secretariat will analyze issues and trends for Post-Accident Monitoring (PAM) Systems in Nuclear Power Plants based on lessons learned from the Fukushima accident. In progress
Project on Analyses on issues and trends for (Post-) Accident Monitoring (PAM) Systems in Nuclear Power Plants (based on lessons learned from the Fukushima accident) In progress
(Activity) IAEA Secretariat to extend its design review service (SEED, RAAAM, RAMP, IPSART, GRSR) to include modules to focus on the design and safety assessment aspects of protection against extreme events, including defence in depth, safety margins, robustness, cliff edge effects, multiple failures, the prolonged loss of essential systems and safety recovery actions . Completed
The Secretariat to extend its design review service to include core modules for the peer review of national assessments by Member States and develop a Design Review Process to support Expansion and New NPP programme. Completed
(Activity) IAEA Secretariat to produce and make available to Member States a dedicated peer review service to assess the national assessments carried out on the safety vulnerabilities of nuclear power plants. In progress
Develop dedicated peer review service to assess the national assessments carried out on the safety vulnerabilities of nuclear power plants In progress
Organize PSA Training Courses In progress
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| Last update: Thursday, 14 December, 2017.