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NEA Document
The Use of Quantitative Safety Guidelines in Member Countries
NEA/CSNI/R(1994)15/REV1
English WGRISK CSNI
Published date: 25 July 1994
NEA Document
Research Strategies for Human Performance
NEA/CSNI/R(1997)24
English WGRISK CSNI
Published date: 6 March 1998
NEA Document
Improving Low Power and Shutdown PSA Methods and Data to Permit Better Risk Comparison and Trade-off Decision Making - Summary Report
NEA/CSNI/R(2005)11/VOL1
English WGRISK CSNI
Published date: 21 September 2005
NEA Document
Improving Low Power and Shutdown PSA Methods and Data to Permit Better Risk Comparison and Trade-off Decision Making - Responses to the WGRISK Survey
NEA/CSNI/R(2005)11/VOL2
English WGRISK CSNI
Published date: 20 September 2005
NEA Document
Improving Low Power and Shutdown PSA Methods and Data to Permit Better Risk Comparison and Trade-off Decision Making - Responses to the COOPRA Survey
NEA/CSNI/R(2005)11/VOL3
English WGRISK CSNI
Published date: 20 September 2005
NEA Document
Use and Development of Probabilistic Safety Assessment
NEA/CSNI/R(2007)12
English WGRISK CSNI
Published date: 12 October 2007
NEA Document
Specialist Meeting on the Seismic Probabilistic Safety Assessment of Nuclear Facilities: Proceedings
NEA/CSNI/R(2007)14
English WGRISK WGIAGE CSNI Proceedings …
Published date: 14 November 2007
NEA Document
Recent Developments in Level 2 PSA and Severe Accident Management
NEA/CSNI/R(2007)16
English WGRISK CSNI
Published date: 15 November 2007
NEA Document
HRA Data and Recommended Actions to Support the Collection and Exchange of HRA Data: CSNI WGRisk Report
NEA/CSNI/R(2008)9
English WGRISK CSNI
Published date: 3 October 2008
NEA Document
Status of PSA programmes in member countries, 1989
NEA/CSNI(1989)172
English WGRISK CSNI
Published date: 14 December 1989
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
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
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
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
Implementation of Severe Accident Management Measures, ISAMM 2009: Workshop Proceedings, Vol. II
NEA/CSNI/R(2010)10/VOL2

A joint workshop of the Working Group on the Analysis and Management of Accidents (WGAMA) and the Working Group on Risk Assessment (WGRISK) on implementation of severe accident management (SAM) measu...

English WGAMA WGRISK Nuclear safety research CSNI Proceedings Accident management …
Published date: 3 December 2010
NEA Document
Implementation of Severe Accident Management Measures, ISAMM 2009: Workshop Proceedings, Vol. I
NEA/CSNI/R(2010)10/VOL1

A joint workshop of the Working Group on the Analysis and Management of Accidents (WGAMA) and the Working Group on Risk Assessment (WGRISK) on implementation of severe accident management (SAM) measu...

English WGAMA WGRISK Nuclear safety research CSNI Proceedings Accident management …
Published date: 3 December 2010
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 small modular reactors 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
Risk Monitors: The State of the Art Report (SOAR) in their Development and Use at Nuclear Power Plants (Produced on behalf of the IAEA and the NEA WGRISK)
NEA/CSNI/R(2004)20
English WGRISK CSNI
Published date: 23 December 2004
NEA Document
Proceedings of the Workshop on Precursor Analysis
NEA/CSNI/R(2003)11
English WGRISK CSNI Proceedings
Published date: 23 December 2003
NEA Document
The Use and Development of Probabilistic Safety Assessment in NEA Member Countries
NEA/CSNI/R(2002)18
English WGRISK CSNI
Published date: 23 December 2002
NEA Document
Passive System Reliability - A Challenge to Reliability Engineering and Licensing of Advanced Nuclear Power Plants: Workshop Proceedings
NEA/CSNI/R(2002)10
English WGRISK CSNI Proceedings
Published date: 23 December 2002
NEA Document
Proceedings of the International Workshop - Building the New HRA: Errors of Commission from Research to Application
NEA/CSNI/R(2002)3
English WGRISK CSNI Proceedings
Published date: 23 December 2002
NEA Document
Errors of Commission in Probabilistic Safety Assessment
NEA/CSNI/R(2000)17
English WGRISK CSNI
Published date: 22 December 2000
NEA Document
Proceedings of the OECD/NEA Workshop on Seismic Risk
NEA/CSNI/R(1999)28
English WGRISK WGIAGE CSNI Proceedings …
Published date: 23 December 1999
NEA Document
Fire Risk Analysis, Fire Simulation, Fire Spreading and Impact of Smoke and Heat on Instrumentation Electronics - State of the Art Report (SOAR)
NEA/CSNI/R(1999)27
English WGRISK CSNI
Published date: 23 December 1999
NEA Document
Proceedings from International Workshop on Fire Risk Assessment
NEA/CSNI/R(1999)26
English WGRISK CSNI Proceedings
Published date: 23 December 1999
NEA Document
State of Living PSA and Further Development
NEA/CSNI/R(1999)15
English WGRISK CSNI
Published date: 23 December 1999
NEA Document
Critical Operator Actions: Human Reliability Modeling and Data Issues, Appendix F, Questionnaire Responses
NEA/CSNI/R(1998)1/ADD1
English WGRISK CSNI
Published date: 23 December 1998
NEA Document
Critical Operator Actions: Human Reliability Modeling and Data Issues: Final Task Report
NEA/CSNI/R(1998)1
English WGRISK CSNI
Published date: 23 December 1998
NEA Document
Documentation of the Treatment of the Level 1/Level 2 Interface in PSAs with Emphasis on Accident Management Actions
NEA/CSNI/R(1997)20
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
Documentation on the Use of Severe Accident Computer Codes in Selected Level-2 PSAs for Nuclear Power Plants
NEA/CSNI/R(1997)19
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
Probabilistic Methods in Seismic Risk Assessment for Nuclear Power Plants: Proceedings
NEA/CSNI(1980)44/vol1
English WGRISK CSNI Proceedings
Published date: 23 December 1980
NEA Document
Integrated Assessment of Level 1 and Level 2 PSA Results for Internal and External Events
NEA/CSNI/R(1997)21
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
State-of-the-Art Report (SOAR) on the Current Status of Methodologies for Seismic PSA
NEA/CSNI/R(1997)22
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
Results and Insights from Level-2 PSAs Performed in Germany, Japan, the Netherlands, Sweden, Switzerland, the United Kingdom and the United States
NEA/CSNI/R(1997)18
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
A Compendium of Practices on Safety Improvements in Low-Power and Shutdown Operating Modes
NEA/CSNI/R(1997)17
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
PSA Based Plant Modifications and Backfits
NEA/CSNI/R(1997)6
English WGRISK CSNI
Published date: 23 December 1997
NEA Document
Proceedings of the International Workshop on Reliability Data Collection in Support of PSA, Maintenance and Life-Assurance Programmes
NEA/CSNI/R(1995)13
English WGRISK CSNI Proceedings
Published date: 22 December 1995
NEA Document
Living PSA Development and Application in Member Countries: summary of TUV Workshops held from 1988 to 1994
NEA/CSNI/R(1995)2
English WGRISK CSNI
Published date: 22 December 1995
NEA Document
Task 12: Reliability Data Collection and Analysis to Support Probabilistic Safety Analysis (PSA): an Evaluation of Questionnaire Results
NEA/CSNI/R(1994)25
English WGRISK CSNI
Published date: 23 December 1994
NEA Document
Risk-Based Management of Safety Systems' Availability: Risk Based Configuration Control
NEA/CSNI/R(1994)21
English WGRISK CSNI
Published date: 23 December 1994
NEA Document
Task 13: Shutdown and Low Power Safety Assessment: a Status Report
NEA/CSNI/R(1993)19
English WGRISK CSNI
Published date: 23 December 1993
NEA Document
Probabilistic Safety Assessment of LWR Containment Systems Performance
NEA/CSNI/R(1992)19
English WGRISK CSNI
Published date: 21 December 1992
NEA Document
Summary Report for the Second TUV-Workshop Proceedings on Living PSA Application
NEA/CSNI/R(1991)1
English WGRISK CSNI Proceedings
Published date: 23 December 1991
NEA Document
PSA Application to Technical Specifications
NEA/CSNI/R(1992)16
English WGRISK CSNI
Published date: 23 December 1992
NEA Document
State of the Art Report (SOAR) on Level-1 PSA Methodology
NEA/CSNI/R(1992)18
English WGRISK CSNI
Published date: 23 December 1992
NEA Document
Applications and Limitations of Probabilistic Safety Assessment
NEA/CSNI/R(1991)2
English WGRISK CSNI
Published date: 23 December 1991
NEA Document
Proceedings of the CSNI Workshop on PSA Applications and Limitations
NEA/CSNI(1990)175
English WGRISK CSNI Proceedings
Published date: 21 December 1990