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    Probabilistic risk assessment
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    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
    NEA Document
    Collection and Analysis of Fire Events (2010-2013) – Extensions in the Database and Applications: Fire Project Report
    NEA/CSNI/R(2015)14

    The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) (formerly PWG5) established in 1996 a Task Group to review the status and maturity of methods use...

    English WGRISK Nuclear safety research CSNI Probabilistic risk assessment …
    Published date: 16 December 2015
    NEA Document
    International Workshop on Fire Probabilistic Risk Assessment (PRA)
    NEA/CSNI/R(2015)12

    On 28-30 April 2014, the CSNI Working Group on Risk Assessment (WGRISK) held a workshop on Fire Probabilistic Risk Assessment (PRA) in Garching, Germany. The meeting was attended by nearly 60 partici...

    English WGRISK Nuclear safety research CSNI Proceedings Probabilistic risk assessment …
    Published date: 1 November 2015
    NEA Document
    Failure Modes Taxonomy for Reliability Assessment of Digital Instrumentation and Control Systems for Probabilistic Risk Analysis
    NEA/CSNI/R(2014)16

    The objective of the Digital System Reliability Failure Mode Taxonomy (DIGREL) task group, formed under the OECD/NEA Working Group on Risk Assessment (WGRISK), has been to develop a taxonomy of failu...

    English WGRISK Nuclear safety research CSNI Probabilistic risk assessment Digital instrumentation and control in nuclear safety …
    Published date: 16 February 2015
    NEA Document
    CODAP Topical Report: Flow Accelerated Corrosion (FAC) of Carbon Steel and Low Alloy SteelPiping in Commercial Nuclear Power Plants
    NEA/CSNI/R(2014)6

    The Component Operational Experience, Degradation & Ageing Programme (CODAP) Topical Report on FAC of Carbon Steel and Low Alloy Steel Piping includes a primer on the environmental and operational fa...

    English Nuclear safety research CSNI Probabilistic risk assessment
    Published date: 20 January 2015
    NEA Document
    Probabilistic Safety Assessment (PSA) of Natural External Hazards Including Earthquakes
    NEA/CSNI/R(2014)9

    The Fukushima Dai-ichi accident triggered discussions about the significance of external hazards and their treatment in safety analyses. In addition, stress tests results have shown vulnerabilities a...

    English WGRISK WGIAGE Nuclear safety research CSNI Proceedings Probabilistic risk assessment …
    Published date: 2 July 2014
    NEA Document
    A Joint Report on PSA for New and Advanced Reactors
    NEA/CSNI/R(2012)17

    Probabilistic safety assessment/probabilistic risk assessment (PSA/PRA) for new and advanced reactors is recognized as an important approach to achieve improved safety for the future nuclear power pl...

    English WGRISK Nuclear safety research CSNI Probabilistic risk assessment …
    Published date: 19 February 2013
    NEA Document
    Use and Development of Probabilistic Safety Assessment: An Overview of the Situation at the End of 2010
    NEA/CSNI/R(2012)11

    The main objective of the Working Group on Risk Assessment (WGRISK) of the Nuclear Energy Agency (NEA)/Committee on the Safety of Nuclear Installations (CSNI) is to advance the probabilistic safety a...

    English WGRISK Nuclear safety research CSNI Probabilistic risk assessment …
    Published date: 3 January 2013
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