Document: NRC Regulatory Guide
Document ID: 22ccfd5e-c5d8-4615-a02c-32369aa9f533
Document Type: regulatory_guide
Title: Acceptability of Probabilistic Risk Assessment Results for Risk-Informed Activities (Rev. 3)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1930/ML19308B636.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.200
CFR Part: 
CFR Title: 

Content:
nt of the uncertainty in the …. point estimates of HEPs. CHARACTERIZE the uncertainty in the estimates of the HEPs consistent with the quantification approach, and PROVIDE mean values for use in the quantification of the PRA results. HR-E1 thru HR-E4 -------------------- No objection -------------------- HR-F1, HR-F2 -------------------- No objection -------------------- DG-1362, Appendix A, Page A-13 Table A-2. Staff Position on ASME/ANS RA-Sa-2009 Part 2, Technical and Peer Review Requirements for At-Power Internal Events Index No Issue Position Resolution HR-G1, HR-G2, HR-G5 thru HR-G7 -------------------- No objection -------------------- HR-G3 In item (d) of CC II, III, clarify that “clarity” refers the meaning of the cues, etc. In item (a) of CC I and item (g) of CC II, III, clarify that complexity refers to both determining the need for and executing the required response. Clarification Cat I: … (a) the complexity of detection, diagnosis, decision-making and executing the required response (b) … Cat II, and III: (d) degree of clarity of the cues/indications in supporting the detection, diagnosis, and decision-making give the plant- specific and scenario-specific context of the event. (g) complexity of detection, diagnosis and decision-making, and executing the required response. HR-G4 Requirements concerning the use of thermal/hydraulic codes should be cross- referenced. Clarification Cat I, II, and III: BASE…. (See SC-B4.) SPECIFY the point in time…. HR-G8 Action verb should be capitalized Clarification CHARACTERIZE Characterize the uncertainty ….. HR-H1 thru HR-H3 -------------------- No objection -------------------- HR-I1 thru HR-I3 -------------------- No objection -------------------- 2-2.6 - DA 2-2.6.1 -------------------- No objection -------------------- Table 2-2.6-1 -------------------- No objection -------------------- Tables 2-2.6-2(a) thru 2-2.6-6(e) DA-A1 thru DA-A4 -------------------- No objection -------------------- DG-1362,