ASME NTB 5 2022

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ASME NTB-5 – 2022 – Guidance for Determination of Risk-Informed Safety Classification for Light Water Reactor Nuclear Facility Pressure Retaining Components

Published By	Publication Date	Number of Pages
ASME	2022

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Description

The goal of this publication is to provide guidance for determination of risk-informed safety classification for light water reactor nuclear facility pressure retaining components. The action discussed in this NTB takes advantage of the significant gains in the understanding of pressure boundary component integrity, factors that impact component reliability, the impact of inspections and the and the type of inspection, as well as risk assessment insights related to operating nuclear power reactors, and proposes a balanced action that reduces undue burden while ensuring plant safety. This action builds upon the work done at ASME Sections III and XI and OM Code, the industry and the NRC and represents the next step in the use of risk-informed technology for defining ASME Section III requirements.

PDF Catalog

PDF Pages	PDF Title
4	Table of Contents
5	Foreword
6	Abstract
7	Abbreviations and Acronyms
8	Definitions
10	1 Scope
11	2 Applicability
12	3 Risk-Informed Safety Classifications
13	4 Determination of RISC
14	5 Applicable Disciplines
15	6 PRA Scope and Technical Adequacy
16	7 PRA Maintenance and Configuration Control
17	Appendix I: RISK-INFORMED SAFETY CLASSIFICATION (RISC) PROCESS I-1.0 Introduction I-2.0 SCOPE IDENTIFICATION
18	I-3.0 EVALUATION OF RISK-INFORMED SAFETY CLASSIFICATIONS I-3.1 Analysis and Assessments I-3.1.1 Failure Modes and Effects Analysis (FMEA)
19	I-3.1.2 Impact Group Assessment
21	I-3.2 Classification I-3.2.1 Final Risk-Informed Safety Classification I-3.2.2 Classification Considerations
22	I-3.2.3 Additional Considerations
23	I-4.0 RISC Evaluation Report I-4.1 Contents of the RISC Evaluation Report

Additional information

Standard Title	ASME NTB-5 – 2022 – Guidance for Determination of Risk-Informed Safety Classification for Light Water Reactor Nuclear Facility Pressure Retaining Components
Published Code	ASME
Publication Date	2022

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ASME NTB 5 2022

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