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:
larification COLLECT inputs to the following analyses, which support quantifications of flood-induced event sequences, from plant or design information sources, as applicable, or via walkdowns or, for PRAs performed during the preoperational phase, investigation(s):… RG 1.247, Appendix A, Page A-28 Table A-9. Staff Position on ASME/ANS RA-S-1.4-2021, Technical Requirements for Internal Flood Analysis Index No. Issue Position Resolution Performing an investigation instead of a walkdown when a walkdown is possible may result in a mischaracterization the plant response in the PRA. FLESQ-A7 through FLESQ-A8 ------------------------ No objection ---------------------------------- Table 4.3.8.7-3 FLESQ-B1 ------------------------ No objection ---------------------------------- Table 4.3.8.7-4 FLESQ-C1 ------------------------ No objection ---------------------------------- Table 4.3.8.7-5 FLESQ-D1 ------------------------ No objection ---------------------------------- Table 4.3.8.7-6 FLESQ-E1 through FLESQ-E2 ------------------------ No objection ---------------------------------- Table 4.3.8.7-7 FLESQ-F1 through FLESQ-F5 ------------------------ No objection ---------------------------------- Section 4.3.8.8 Section 4.3.8.8.1 Section text ------------------------ No objection ---------------------------------- Section 4.3.8.8.2 Section text ------------------------ No objection ---------------------------------- Section 4.3.8.8.3 Section 4.3.8.8.3.1 Section text ------------------------ No objection ---------------------------------- Section 4.3.8.8.3.2 Section text ------------------------ No objection ---------------------------------- RG 1.247, Appendix A, Page A-29 Table A-9. Staff Position on ASME/ANS RA-S-1.4-2021, Technical Requirements for Internal Flood Analysis Index No. Issue Position Resolution Section 4.3.8.8.3.3 Section text ------------------------ No objection ---------------------------------- Section 4.3.8.8.3.4 Section text ------------------------