Methodologies for Seismic Safety Evaluation of Existing Nuclear Installations.

• Superior document: Safety Reports Series ; v.103
• Author: IAEA.
• Place / Publishing House: Havertown : : International Atomic Energy Agency,, 2020.; Ã2020.
• Year of Publication: 2020
• Edition: 1st ed.
• Language: English
• Series: Safety Reports Series
• Physical Description: 1 online resource (116 pages)

Table of Contents

• Intro
• 1. INTRODUCTION
• 1.1. Background
• 1.2. Objective
• 1.3. Scope
• 1.4. Structure
• 2. FORMULATION OF THE PROGRAMME FOR SEISMIC SAFETY EVALUATION OF EXISTING Nuclear INSTALLATIONS
• 2.1. Perspective
• 2.1.1. Existing nuclear installations
• 2.1.2. Reasons to perform seismic safety evaluations
• 2.1.3. Margins beyond the design basis for new nuclear installations
• 2.1.4. Margins beyond the design basis for existing nuclear installations
• 2.2. Selection of methodology
• 2.2.1. Seismic probabilistic safety assessment
• 2.2.2. Methodology for seismic margin assessment
• 2.2.3. Design basis re-constitution
• 2.2.4. Selection considerations
• 3. DATA COLLECTION AND INVESTIGATIONs
• 3.1. General
• 3.2. Hazard classification of installations and structures, systems and components
• 3.3. Seismic design basis data
• 3.4. Data collection and documents
• 3.4.1. Site data
• 3.4.2. Assumptions and methods of analysis of existing structures, systems and components
• 3.4.3. Standards and procedures
• 3.4.4. Nuclear installation documentation
• 3.4.5. Data for structures, systems and components
• 3.4.6. Upgrades and nuclear installation modifications
• 3.4.7. Results of other safety evaluations
• 4. ASSESSMENT OF SEISMIC HAZARDS
• 4.1. Probabilistic seismic hazard analysis
• 4.2. Review level earthquake
• 4.2.1. General characteristics of the review level earthquake
• 4.3. Bases for development of the review level earthquake
• 4.3.1. Probabilistic seismic hazard analysis
• 4.3.2. Absence of probabilistic seismic hazard analysis
• 4.3.3. Regulatory specified
• 4.3.4. New nuclear power plants
• 5. SEISMIC SAFETY ASSESSMENT
• 5.1. Seismic margin assessment
• 5.1.1. General
• 5.1.2. Elements of the seismic margin assessment
• 5.1.3. Enhancements
• 5.1.4. Documentation
• 5.2. Seismic probabilistic safety analysis.
• 5.2.1. General
• 5.2.2. Elements of the seismic probabilistic safety assessment
• 5.2.3. Special issues
• 5.3. PSA based seismic safety assessment
• 5.3.1. System and accident sequence analysis
• 5.3.2. Fragility analysis
• 5.4. Off-site seismic induced effects
• 6. MODERATE AND LOW HAZARD INSTALLATIONS
• 6.1. Categorization
• 6.2. Selection of methodology
• 6.3. Review level earthquake
• 6.4. Selection of SSCs to be evaluated
• 6.5. SSC evaluation and walkdown
• 6.6. Seismic margin assessment
• 6.7. Seismic instrumentation
• 7. CONSIDERATIONS FOR UPGRADING
• 7.1. Structure and substructure upgrades
• 7.2. Mechanical and electrical distribution systems and mechanical components upgrades
• 7.2.1. Pressure retaining mechanical distribution systems and components
• 7.2.2. Other mechanical components
• 7.3. Electrical and instrumentation and control components
• 8. MANAGEMENT SYSTEM FOR SEISMIC SAFETY EVALUATION
• 8.1. General
• 8.2. Peer review
• 8.3. Configuration control
• 8.4. Quality assurance
• Appendix I EXAMPLES OF SEISMIC DESIGN CATEGORIES AND SITE FOUNDATION CLASSIFICATION
• Appendix II SUGGESTED DAMPING VALUES AND INELASTIC ENERGY ABSORPTION FACTORS
• Appendix III BACKGROUND AND TERMINOLOGY FOR THE INELASTIC ENERGY ABSORPTION FACTORS
• Appendix IV HYBRID METHOD FOR FRAGILITY CALCULATIONS
• Appendix V TYPICAL WALKDOWN FORMS
• REFERENCES
• DEFINITIONS
• ABBREVIATIONS
• CONTRIBUTORS TO DRAFTING AND REVIEW.