Document: NRC Regulatory Guide
Document ID: cde52d5a-adf9-49be-9d1f-59449dfca895
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:
distance and magnitude scaling, the Clarification ENSURE that uncertainties are included in the model such that the aggregate of predicted ground motions captures the range of ground motions that can occur at a site as well as alternative magnitude and distance scaling in accordance with the level of analysis identified for the SRs of HLR-SHA-A and the data and information identified in the SRs of HLR-SHA-B. … RG 1.247, Appendix A, Page A-38 Table A-11. Staff Position on ASME/ANS RA-S-1.4-2021, Technical Requirements for Seismic PRA Index No. Issue Position Resolution uncertainty in the seismic hazard may be underestimated. SHA-D4 ------------------------ No objection ---------------------------------- Table 4.3.10.1-6 SHA-E1 through SHA-E6 ------------------------ No objection ---------------------------------- Table 4.3.10.1-7 SHA-F1 through SHA-F4 ------------------------ No objection ---------------------------------- Table 4.3.10.1-8 SHA-G1 through SHA-G2 ------------------------ No objection ---------------------------------- Table 4.3.10.1-9 SHA-H1 through SHA-H4 ------------------------ No objection ---------------------------------- Table 4.3.10.1-10 SHA-I1 through SHA-I3 ------------------------ No objection ---------------------------------- Section 4.3.10.2 Section text ------------------------ No objection ---------------------------------- Table 4.3.10.2-1 HLR-SFR-A through HLR-SFR-F ------------------------ No objection ---------------------------------- Table 4.3.10.2-2 SFR-A1 and SFR-A2 ------------------------ No objection ---------------------------------- Table 4.3.10.2-3 SFR-B1 through SFR-B6 ------------------------ No objection ---------------------------------- Table 4.3.10.2-4 SFR-C1 The inherently rugged component groups are based on Clarification SPECIFY the basis for screening of inherently rugged RG 1.247, Appendix A, Page A-39 Table A-11. Staff Position on ASME/ANS RA-S-1.4-2021, Technical Requirements for Seismic PRA Index No. Issue