Document: NRC Regulatory Guide
Document ID: 3b4c5897-7060-42e3-83a9-cf0790b7dc60
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:
mission 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 exceed the temperature ranges in ASME Code, Section III, Division 1; • Any alternate examination methods developed under ASME Code, Section XI, Division 2, Appendix A that the applicant wishes to use; • Any alternatives to Section XI, Division 2, as endorsed with conditions by this RG, that the applicant wishes to use and justification supporting the use of the alternatives. Basis for Regulatory Guidance Position 2 The regulations in 10 CFR 50.55a(b) contain conditions on the use of ASME Code, Section XI, Division 1. These conditions should also be applied where ASME Code, Section XI, Division 2 references sections of Division 1 with applicable conditions in 10 CFR 50.55a(b). When an applicant or licensee references ASME Code, Section XI, Division 1, the edition that is being referenced should correspond to the edition of ASME Code, Section XI, Division 2, that is being used. This RG endorses the 2019 Edition of Division 2, therefore, applicants and licensees applying this RG should reference the 2019 Edition of Division 1. Basis for Regulatory Guidance Position 3 ASME Code, Section XI, Division 2, specifies that considerations be made for areas including, but not limited to, those listed in the table below. The summary of the RIM program included in the application should contain sufficient information for the NRC staff to determine how these aspects are considered within the RIM program to assure that the process within ASME Code, Section XI, Division 2, has been followed appropriately. RIM Paragraph Code Provision RIM-2.3 Conditions shall be considered in the degradation mechanism assessment. RIM-2.3 Screening criteria found in Mandatory Appendix VII are minimum requirements to be considered. RIM-2.4.2 The allocation of Reliability Targets shall consider the