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Development and Application of Level 1 Probabilistic Safety Assessment for Nuclear Power Plants

Specific Safety Guide

IAEA Safety Standards Series No. SSG-3 (Rev. 1)
Specific Safety Guides

English STI/PUB/2056 ¦ 978-92-0-130623-4

239 pages ¦ 9 figures ¦ € 72.00 ¦ Date published: 2024

https://doi.org/10.61092/iaea.3ezv-lp49

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Description

The objective of this Safety Guide is to provide recommendations for meeting the requirements of GSR Part 4 (Rev. 1) in the development and application of Level 1 Probabilistic Safety Assessments (PSAs) for nuclear power plants (NPPs). The recommendations provided in this publication promoting technical consistency among Level 1 PSA studies, in order to provide reliable support for applications of PSAs and risk informed decision making, particularly to support the design of NPPs and decision making during plant commissioning and operation. The revised Safety Guide's scope encompasses the main methodological aspects of PSA and in particular has been updated to reflect developments in specific areas, such as passive systems reliability, computer based systems reliability, combinations of hazards, human reliability analysis and to expand the scope of PSA to include site level risk considerations such as multi-unit and spent fuel pool PSA.

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Keywords

IAEA Safety Standards, Development, Application of Level 1, Probabilistic Safety Assessment, PSA, Nuclear Power Plants, NPPs, Recommendations, Technical Consistency, Level 1 PSA Studies, Risk Informed Decision Making, Design of NPPs, Plant Commissioning and Operation, Passive Systems Reliability, Computer Based Systems Reliability, Combination of Hazards, Human Reliability Analysis, Side Level Risk Considerations, Spent Fuel Pool PSA, Safety Measures, Risk Assessment, Performance, Scope and Validation, Living PSA, Project Management, PSA Documentation, Methodology, Power Operation, Internal and External Hazards, Multi Unit PSA, Multi Unit Risk Metrics, Multi Unit Interactions, Single Unit Level 1 PSA, Generic List, Seismic Event Tree, Shutdown States, Selection of Methods, Establishment of Procedures, Team Selection, Quality Assurance Programme, Collection of Information, Event Analysis, Accident Sequence Analysis, Internal Fire, Floodings, Hazards, Bounding Assessment, Frequency Assessment, Fragility Analysis, Presentation of Results, Data Assessment, Special Aspects of Level 1 PSA, Plant Operational States, Managing Risk Configuration, Monitoring, Risk Informed Training of Personnel, Review

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