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    Activity
    Working Group on Risk Assessment (WGRISK)

    The Working Group supports improved uses of Probabilistic Safety Assessment (PSA) in risk-informed regulation and safety management through the analysis of results and the development of perspectives...

    Risk assessment WGRISK Nuclear safety research CSNI Safety …
    Published date: 20 July 2022
    News
    Joint NEA-IAEA symposium on probabilistic safety assessment for singular design reactors

    The joint NEA-IAEA symposium hosted by the United Kingdom’s Office for Nuclear Regulation brought together experts to exchange on the use and application of Probabilistic Safety Analysis (PSA) for re...

    News brief IAEA WGRISK Safety assessment CSNI Probabilistic risk assessment Reactor design …
    Published date: 14 June 2022
    Event
    Joint NEA and IAEA International Symposium on PSA for Reactors of Singular Designs
    7 - 9 June 2022
    Liverpool, United Kingdom

    The Symposium is free of charge for all participants and is scheduled to take place in person at the ONR’s offices near Liverpool in the United Kingdom. 

     

    Key Dates

    31 March 2022  Deadline for a...
    SMR IAEA WGRISK Nuclear safety CSNI Safety Reactor design …
    Published date: 6 April 2022
    News
    Probabilistic safety assessment for singular design reactors

    Joint NEA and IAEA event will explore probabilistic safety assessment for reactors of singular designs

    News brief IAEA WGRISK Safety assessment CSNI Probabilistic risk assessment Reactor design …
    Published date: 28 April 2022
    Activity
    Working Group on External Events (WGEV)

    The main mission of the Working Group on External Events (WGEV) is to improve the understanding and treatment of external hazards that would support the continued safety performance of nuclear instal...

    Risk assessment WGRISK External hazards WGEV External hazards and nuclear safety Nuclear safety research CSNI Safety Risk …
    Published date: 10 February 2022
    NEA Document
    Level 2 PSA Methodology and Severe Accident Management
    NEA/CSNI/R(1997)11
    English WGRISK CSNI
    Published date: 26 January 2022
    NEA Document
    Evaluation of Uncertainties in Relation to Severe Accidents and Level-2 Probabilistic Safety Analysis: Workshop Proceedings
    NEA/CSNI/R(2007)2

    Uncertainty in relation to several severe accident phenomena plays a major role in probabilistic safety analyses involving beyond-design-basis accident scenarios for nuclear power plants. The technic...

    English Risk assessment WGRISK Accident analysis and management Uncertainty quantification Nuclear safety research Uncertainty analysis CSNI …
    Published date: 26 January 2022
    Publications and Reports
    CSNI Technical Opinion Paper - No. 18

    Seismic probabilistic safety assessment (SPSA) is a systematic method for examining and evaluating the risk from earthquake-initiated accidents. The significant advances in the area of SPSA since the...

    English WGRISK WGIAGE WGEV Safety Nuclear safety regulation Probabilistic risk assessment Technical Opinion Papers …
    Published date: 27 September 2021
    NEA Document
    Status of Site-Level (Including Multi-Unit) Probabilistic Safety Assessment Developments
    NEA/CSNI/R(2019)16

    Two important lessons learnt from the March 2011 Fukushima Daiichi nuclear power plant (NPP) accident were: 1) there can be significant interactions between multiple co-located radiological sources (...

    English Fukushima WGRISK Nuclear safety Nuclear safety research CSNI Probabilistic risk assessment …
    Published date: 19 April 2021
    NEA Document
    Use and Development of Probabilistic Safety Assessments at Nuclear Facilities
    NEA/CSNI/R(2019)10

    This report provides descriptions of the current status of PSA programmes in member countries; including basic background information, guidelines, various PSA applications, major results in recent st...

    Fukushima WGRISK Nuclear safety Nuclear safety research CSNI Probabilistic risk assessment …
    Published date: 3 November 2020
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