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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
Status of Practice for Level 3 Probabilistic Safety Assessments
NEA/CSNI/R(2018)1

The mission of the Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) is to advance understanding of probabilistic safety as...

English WGRISK Nuclear safety research CSNI
Published date: 19 December 2018
NEA Document
Probabilistic Safety Assessment Insights Relating to the Loss of Electrical Sources
NEA/CSNI/R(2017)5

The main objective of the Working Group on Risk Assessment (WGRISK) is to advance Probabilistic Safety Assessment (PSA) understanding and to enhance its use for improving the safety of nuclear instal...

English WGRISK Nuclear safety research CSNI
Published date: 1 September 2017
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
Establishing the Appropriate Attributes in Current Human Reliability Assessment Techniques for Nuclear Safety
NEA/CSNI/R(2015)1

The work described in this report was conducted as a joint task under the CSNI Working Groups on Human and Organisational Factors (WGHOF) and Risk Assessment (WGRISK). The task has two primary purpos...

English WGHOF WGRISK Nuclear safety research CSNI …
Published date: 1 March 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
English WGRISK CSNI
Published date: 23 December 2014