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:
at 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. 2. The 2019 Edition of ASME Code, Section XI, Division 2, should be used in conjunction with the 2019 Edition of ASME Code, Section XI, Division 1, and the licensee’s applicable construction code. When using the 2019 Edition of ASME Code, Section XI, Division 1, and the applicable construction code, applicants and licensees should follow any applicable conditions on those codes in 10 CFR 50.55a. 3. When ASME Code, Section XI, Division 2, indicates that an aspect should be considered in the development of the RIM program, the licensee should document how it considered that aspect. 4. Following issuance of a license with the condition identified in Regulatory Position 1 above, licensees may make changes to the RIM program in accordance with the procedures in ASME Code, DG-1383, Page 15 Section XI, Division 2. Changes to the RIM program that are not in accordance with ASME Code, Section XI, Division 2, as endorsed in this RG, should be submitted to the NRC for review and approval. In addition, regardless of any applicable provisions to the contrary in ASME Code, Section XI, Division 2, the following information should be submitted to the NRC for review and approval prior to implementation: • Changes to the methodologies for establishing reliability targets and for demonstrating the RIM strategies will be capable of satisfying the reliability targets should be submitted to the NRC for review and approval. Inputs to the methodology (e.g., different inspection techniques, changes in inspection frequency, etc.) are not considered methodology changes. • Alternatives to ASME Code, Section