Document: NRC Regulatory Guide
Document ID: e1a28538-35cc-4fc2-ab12-2e1d95830205
Document Type: regulatory_guide
Title: Acceptability of ASME Code, Section XI, Division 2, Requirements for RIM Programs for NPPs, for Non-LWRs
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2112/ML21120A185.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.246
CFR Part: 
CFR Title: 

Content:
plemented to ensure the safe operation of the SSCs throughout the life of the facility. The license condition will support the staff’s finding that 10 CFR 50.34(b)(6)(iv) and 52.79(a)(29)(i) are met and the program is commensurate with the safety function provided by the SSC in accordance with the guidelines of RG 1.232. To make the required findings, the staff will need to review a summary of the RIM program, which should include the following: • A summary of the information described in ASME Section XI, Division 2, Article RIM-2; • The bases for the scope of the program; • The methodology for establishing the reliability targets; • The methodology for determining that the reliability targets will be satisfied by the RIM strategies; • Reliability targets; • The results of the degradation assessments; • Flaw evaluation acceptance criteria; and • RIM strategies selected to achieve the reliability targets. In addition to the summary of the RIM program, the application should include the following information for the reasons described in the following sections: • Any information the applicant developed to replace provisions of the 2019 Edition of ASME Code, Section XI, Division 2 described as “in the course of preparation” or otherwise under development; DG-1383, Page 7 • Considerations specified by ASME Section XI, Division 2, as discussed in Regulatory Guidance Position 3; • Justification for adequacy of the PRA in terms of scope, level of detail, and technical adequacy for use with RIM and the development of reliability targets and the documented results of a PRA peer review, if one has been conducted; • For plants that do not have regularly scheduled refueling outages at frequencies of 5 years or less, proposed frequencies for the submission of owner’s activity reports (OARs) and owner’s repair/replacement certification (NIS-2) forms; • Appropriate justification for flaw evaluation acceptance criteria for any components that