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ASME RA S 1.1 2024

$75.42

ANS/ASME RA-S-1.1-2024 Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications

Published By Publication Date Number of Pages
ASME 2024 401
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This nuclear standard states requirements for a Level 1 Probabilistic Risk Assessment (PRA) of internal and external hazards while at-power for the evaluation of core damage frequency (CDF). In addition, this standard states requirements for a limited Level 2 PRA sufficient to evaluate large early release frequency (LERF). The only hazards explicitly excluded from the scope are accidents resulting from purposeful human-induced security threats (e.g., sabotage, terrorism). These requirements are written for operating light water reactor (LWR) nuclear power plants. This standard may be used for LWR plants under design or construction or for advanced LWRs, such as small modular reactors (SMR), but revised or additional requirements may be needed.

PDF Catalog

PDF Pages PDF Title
3 Contents
5 Foreword
7 Correspondence with the ASME/ANS Joint Committee on Nuclear Risk Management
9 Acknowledgments
11 ASME/ANS RA-S Committee
13 Part 1. General Requirements for a Level 1 PRA, Including Large Early Release Frequency
Section 1-1 Introduction
21 Section 1-2 Acronyms and Definitions
33 Section 1-3 PRA Scope and Capabilities in Support of Risk-Informed Applications
34 Section 1-4 Requirements for Use of Expert Judgment
35 Section 1-5 PRA Configuration Control Program
38 Section 1-6 Peer Review
41 Section 1-7 Newly Developed Methods
44 Section 1-8 References
45 Nonmandatory Appendix
1-A Meanings of Action Verbs
50 Part 2. Requirements for Internal-Events At-Power PRA
Section 2-1 Overview of Internal-Events At-Power PRA Requirements
51 Section 2-2 Internal-Events PRA Technical Elements and Requirements
100 Nonmandatory Appendix
2-A Explanatory Notes Regarding Application of the Part 2 Supporting Requirements
122 Part 3. Requirements for Internal Flood At-Power PRA
Section 3-1 Overview of Internal Flood At-Power PRA Requirements
123 Section 3-2 Internal Flood PRA Technical Elements and Requirements
147 Nonmandatory Appendix
3-A Internal Flood At-Power PRA: Commentary
167 Part 4. Requirements for Internal Fires At-Power PRA
Section 4-1 Risk Assessment Technical Requirements for Internal Fires At-Power
168 Section 4-2 Internal Fire PRA Technical Elements and Requirements
198 Nonmandatory Appendix
4-A Notes and Explanatory Material
216 Part 5. Requirements for Seismic Events for At-Power PRA
Section 5-1 Overview of Seismic PRA Requirements At-Power
217 Section 5-2 Seismic At-Power Technical Elements and Requirements
232 Nonmandatory Appendix
5-A Seismic Probabilistic Risk Assessment Commentary
262 Part 6. Requirements for Screening and Conservative Analysis of Hazards for At-Power PRA
Section 6-1 Overview of Screening and Conservative Analysis Requirements
263 Section 6-2 Screening and Conservative Analysis Technical Requirements
267 Nonmandatory Appendix
6-A Screening Commentary
271 6-B List of Hazards for Consideration
274 Part 7. Requirements for High Wind At-Power PRA
Section 7-1 Overview of High Wind At-Power PRA Requirements
275 Section 7-2 High Wind At-Power PRA Technical Elements and Requirements
289 Nonmandatory Appendix
7-A High Wind Notes and Commentary
328 Part 8. Requirements for External Flood At-Power PRA
Section 8-1 Overview of External Flood At-Power PRA Requirements
329 Section 8-2 External Flood At-Power PRA Technical Elements and Requirements
346 Nonmandatory Appendix
8-A External Flood Probabilistic Risk Assessment Commentary
384 Part 9. Requirements for Other Hazards At-Power PRA
Section 9-1 Overview of Other Hazards At-Power PRA Requirements
385 Section 9-2 Other Hazards At-Power PRA Technical Elements and Requirements
393 Nonmandatory Appendix
9-A Other Hazards Commentary
ASME RA S 1.1 2024
$75.42