Document: NRC Regulatory Guide
Document ID: 8a2332d3-66ca-40af-84e1-507db8b26559
Document Type: regulatory_guide
Title: TRIAL - Acceptability of Probabilistic Risk Assessment Results for Non-Light Water Reactor Risk-Informed Activities
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2123/ML21235A008.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.247
CFR Part: 
CFR Title: 

Content:
---- Section 4.2.3 Section text ------------------------ No objection -------------------------------- Section 4.2.4 Section text ------------------------ No objection -------------------------------- Section 4.2.5 RG 1.247, Appendix A, Page A-5 Table A-1. Staff Position on ASME/ANS RA-S-1.4-2021, NLWR Standard Introduction, Acronyms and Definitions, and Risk Assessment Application Process Index No. Issue Position Resolution Section text ------------------------ No objection -------------------------------- Section 4.2.6 Section text ------------------------ No objection -------------------------------- Section 4.2.7 Section text ------------------------ No objection -------------------------------- RG 1.247, Appendix A, Page A-6 Table A-2. Staff Position on ASME/ANS RA-S-1.4-2021, Technical Requirements for Plant Operating State Analysis Index No. Issue Position Resolution Section 4.3.1 Section text ------------------------ No objection -------------------------------- Section 4.3.1.1 Section text ------------------------ No objection -------------------------------- Table 4.3.1.1-1 HLR-POS-A through HLR-POS-D ------------------------ No objection -------------------------------- Table 4.3.1.1-2 POS-A1 through POS-A7 ------------------------ No objection -------------------------------- POS-A8 Operations personnel supporting a licensing application should support efforts to confirm that the selection of POSs correctly represents the as-designed and as-intended-to- operate plant. Without this supporting confirmation from operations personnel, the PRA may exclude potential risk contributors due to a lesser degree of plant representation. Qualification For PRAs performed during the pre-operational stage, INTERVIEW knowledgeable engineering and operations personnel to confirm that the selection of plant operating states correctly represents the as-designed, and as-intended- to-operate plant. POS-A9 through POS-A13 ------------------------ No objection