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Optimization of Safety Measures for Protection of Nuclear Installations Against External Hazards

A Framework for the Application of Site Safety Requirements Considering the Safety Features of Nuclear Installations

IAEA-TECDOC-2042

English IAEA-TECDOC-2042 ¦ 978-92-0-106524-7

136 pages ¦ 36 figures ¦ € 30.00 ¦ Date published: 2024

Download PDF (4.47 MB)

Description

This publication covers two main aspects of safety against external events including the site hazard assessment and the robustness of the installation against external hazards. This publication provides practical guidance and information for the development of the technology-neutral safety framework for assessing the applicability of site evaluation requirements considering site-installation interactions and taking into account the innovative safety features of the advanced reactors. A methodology is provided for an overall optimization of safety measures against external hazards, including the use of a risk-informed approach, supporting the effective and balanced implementation of the defence in depth concept. This methodology covers the application of grading that considers the safety features of the nuclear installation, allowing for a reduced implementation time/cost while ensuring robustness of the installation for applicable hazards. This publication is useful for both new and existing nuclear installations and is intended to be used by regulatory bodies, designers, operating organizations, vendors, research institutes, and technical support organizations working in the area of nuclear safety.

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Keywords

Optimization of Safety Measures, Protection of Nuclear Installations, External Hazards, Application of Site Safety Requirements, External Events, Site Hazard Assessment, Robustness, Development, Technology-Neutral Safety Framework, Site Evaluation Requirements, Site Installation Interactions, Innovative Safety Features, General Characteristics, Advanced Reactors, Methodology, Risk-Informed Approach, Effective and Balanced Implementation, Defence in Depth Concept, Application of Grading, Regulatory Bodies, Vendors, Research Institutes, Technical Support Organizations, Nuclear Facilities, Hazard Mitigation, IAEA Safety Standards, Performance-Based Strategy, Design Development Phase, Construction License Phase, Site Selection, Site Characterization, Regulatory Approaches, Possible Path Forward, Graded Approach, General Electric, GE, Hitachi PRISM Non-Light Water Small Modular Reactor, SMR, Probabilistic Seismic Hazard Analysis, PSHA, Reactor Design Characteristics, Role of Structures, Systems and Component Safety Margins, Bounding, Hazard Screening Process, Generic Site, Risk Significance, Data Collection, Regulatory Framework, Review

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