Evaluation of Design Robustness of Nuclear Installations Against External Hazards

INTERNATIONAL ATOMIC ENERGY AGENCY

IAEA-TECDOC-2043

English IAEA-TECDOC-2043 ¦ 978-92-0-107124-8

148 pages ¦ 17 figures ¦ € 30.00 ¦ Date published: 2024

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Description

This publication complements existing IAEA publications and provides a methodology for evaluating the adequacy of design safety margins against external events based on the performance goals applicable to a nuclear installation. The aim is to provide procedures which can be used to assess if protection against external hazards achieved by the design corresponds to the design safety requirements established after the Fukushima Daiichi accident. It is intended for use 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

Evaluation of Design Robustness, Nuclear Installations Against External Hazards, Nuclear Facilities, Safety Measures, Design and Construction, Hazard Mitigation, General Methodology, Adequacy of Design Safety Margins, Severe External Events, Performance Goals, Procedures, Design Safety Requirements, Fukushima Daiichi Accident, Regulatory Bodies, Operating Organizations, Vendors, Technical Support Organizations, Nuclear Safety, General Framework, Assessing Robustness, Concepts, Appropriate Design Margins, Current Design Approaches of Nuclear Power Plants, NPPs, Earthquakes, Aircraft Crash, External Flooding, Common Sources, Conservatism, Last 40 years, Seismic Hazard, Seismic Performance and Reviews, Seismic Design Margin, Defence in Depth, Did, Meteorological Hazards, Cliff Edge Effects, Results of the Assessment, Physical Plant Design, Plant Improvements, Multi-Unit and Multifacility Sites, Nuclear Installations, Appropriate Performance Objectives, Graded Approach, Lessons Learned, Experience Feedback, Significant Weather Events, Engineering Modifications