Risk Importance Measures In The Design And Operation Of Nuclear Power Plants
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Risk Importance Measures in the Design and Operation of Nuclear Power Plants by Ivan Vrbanic,Pranab Samanta,Ivica Basic Pdf
In using risk-informed approaches for ensuring safety of operating nuclear power plants (NPPs), risk importance measures obtained from probabilistic risk assessments (PRAs) of the plants are integral elements of consideration in many cases. Obtaining these measures in appropriate forms is helpful for decision makers and can facilitate the use of risk information.
Integrated Life Cycle Risk Management for New Nuclear Power Plants by IAEA Pdf
Integrated risk management (IRM) is particularly important during the preparation and construction phases of a nuclear power plant (NPP) and anticipates the risks that could arise during the operation and decommissioning phases. This publication is designed to enhance stakeholders' understanding of the fundamental processes, procedures, and methods for IRM. Practical guidelines are provided and best practices shared. The importance of having appropriate risk management policies, especially when considering the various contractual and organizational arrangements in different construction entities, operating organizations and Member States is emphasized. Tables are provided throughout the publication to indicate the causes of risks and their impacts on the applicable NPP or project. Economic evaluation techniques are also introduced. Member States contemplating expanding their existing nuclear power plant fleets can be expected to benefit from this publication, but it will likely be most valuable for Member States newly embarking upon a nuclear power programme.
Safety of Nuclear Power Plants: Design by International Atomic Energy Agency Pdf
Establishes design requirements for safety functions and associated structures, systems and components important to the safe operation of nuclear power plants. This publication also establishes requirements for a comprehensive safety assessment to identify the potential hazards that may arise in the operation of plants.
Risk and Safety Analysis of Nuclear Systems by John C. Lee,Norman J. McCormick Pdf
The book has been developed in conjunction with NERS 462, a course offered every year to seniors and graduate students in the University of Michigan NERS program. The first half of the book covers the principles of risk analysis, the techniques used to develop and update a reliability data base, the reliability of multi-component systems, Markov methods used to analyze the unavailability of systems with repairs, fault trees and event trees used in probabilistic risk assessments (PRAs), and failure modes of systems. All of this material is general enough that it could be used in non-nuclear applications, although there is an emphasis placed on the analysis of nuclear systems. The second half of the book covers the safety analysis of nuclear energy systems, an analysis of major accidents and incidents that occurred in commercial nuclear plants, applications of PRA techniques to the safety analysis of nuclear power plants (focusing on a major PRA study for five nuclear power plants), practical PRA examples, and emerging techniques in the structure of dynamic event trees and fault trees that can provide a more realistic representation of complex sequences of events. The book concludes with a discussion on passive safety features of advanced nuclear energy systems under development and approaches taken for risk-informed regulations for nuclear plants.
Protection Against Internal and External Hazards in the Operation of Nuclear Power Plants by IAEA Pdf
This Safety Guide provides specific recommendations on protection against internal and external hazards in the operation of nuclear power plants. It provides new or updated recommendations derived from enhanced understanding of operational aspects of hazards and combinations of hazards. Operating experience gained from incidents and accidents in nuclear power plants around the world has demonstrated that fire can be an important risk contributor in many Member States. However, there are other internal and external hazards that have also to be considered in the design and operation of nuclear power plants. This Safety Guide supersedes and expands the scope of lAEA Safety Standards Series No. NS- G-2. 1, Fire Safety in the Operation of Nuclear Power Plants, to include recommendations on these other hazards.
Evaluation of the Safety of Operating Nuclear Power Plants Built to Earlier Standards by International Atomic Energy Agency Pdf
This Safety Report complements Safety Guide No. 50-SG-O12, Periodic Safety Review of Operational Nuclear Power Plants (1994). It provides practical information for the safety assessment and judgement process for operating nuclear power plants built to earlier standards, on the basis of a comparison with current safety standards and operational practices.
Basic Safety Principles for Nuclear Power Plants by International Nuclear Safety Advisory Group,International Atomic Energy Agency Pdf
The present report is a revision of Safety Series No. 75-INSAG-3 (1988), updating the statements made on the objectives and principles of safe design and operation for electricity generating nuclear power plants. It includes the improvements made in the safety of operating nuclear power plants and identifies the principles underlying the best current safety policies to be applied in future plants. It presents INSAG's understanding of the principles underlying the best current safety policies and practices of the nuclear power industry.
General Design Safety Principles for Nuclear Power Plants by International Atomic Energy Agency Pdf
The basic safety approach of defence in depth and high functional system availability is addressed in this guide. Attention is also paid to the safety implications of operator actions and their consideration in the design.
Discusses the safety and risk management in the nuclear power, airline and chemical industries. Recognized experts presented papers at the Risk Management Symposium on such topics as risk management control systems, airline industry safety and power plant applications of PRA.
Risk Informed Regulation of Nuclear Facilities by International Atomic Energy Agency Pdf
This report contains guidance on the use of risk information by a regulatory body as part of an integrated decision-making process, covering risk informed decision making and risk informed regulation processes. It considers the advantages and potential safety benefits of risk informed regulation, as well as possible problem areas and expected difficulties.
Design for Reactor Core Safety in Nuclear Power Plants by International Atomic Energy Agency Pdf
Covers the mechanical, chemical, thermal, hydraulic, neutronic and irradiation considerations important to the safe design of a nuclear reactor core. The core features of commonly used reactor types including light and heavy water reactors, as well as gas cooled reactors, are addressed.
Surveillance of Items Important to Safety in Nuclear Power Plants by International Atomic Energy Agency Pdf
Provides guidance and recommendations on surveillance activities to ensure that structures, systems and components important to safety are available to perform their functions in accordance with design intent and assumptions.
There is concern about the safety of 59 Soviet-designed nuclear power reactors that operate in the Newly Indep. States of the former Soviet Union, as well as in other nations throughout Central & Eastern Europe. Many of these reactors are similar in design to the Chernobyl reactor in Ukraine that exploded in 1986, causing the worst accident in the history of nuclear power. Deficiencies in the design of many of these reactors pose grave safety risks. This report reviews efforts to improve the safety of Soviet-designed nuclear power reactors & assesses the mgmt. of the Dept. of Energy's & the NRC's nuclear safety assistance activities. Illus.
Protection against Internal Hazards in the Design of Nuclear Power Plants by IAEA Pdf
Internal hazards have to be considered in the design of items important to safety in a nuclear power plant. The objective is to provide appropriate features to prevent internal hazards and mitigate their effects to ensure that safety is not compromised. This Safety Guide provides recommendations to regulatory bodies, nuclear power plant designers and licensees on hazard assessment (including for combinations of hazards) and design concepts for protection against internal hazards in nuclear power plants, in order to meet the requirements established in IAEA Safety Standards Series No. SSR 2/1 (Rev. 1), Safety of Nuclear Power Plants: Design. The following internal hazards are reviewed in this Safety Guide: fires, explosions, missiles, pipe breaks, flooding, collapse of structures and falling objects with a focus on heavy load drop, electromagnetic interference and release of hazardous substances originating from within the site boundary.