Document: NRC Regulatory Guide
Document ID: 47b09be1-4bf8-45f9-a099-7fed871c09bd
Document Type: regulatory_guide
Title: Plant-Specific, Risk-Informed Decisionmaking: Inservice Testing (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2114/ML21140A055.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.175
CFR Part: 
CFR Title: 

Content:
; (3) a description of how the impact of the change is modeled in the IST components (including a quantitative or qualitative treatment of component degradation) and a description of the impact of the change on plant risk in terms of CDF and LERF and how this impact compares with the decision guidelines (Regulatory Position C.2.2.3.3); (4) a description of how the key principles of risk-informed decisionmaking were (and will continue to be) met (Regulatory Positions C.2.2 and C.2.3); (5) a description of the integrated decisionmaking process used to help define the RI-IST program, including any decision criteria used (Regulatory Position C.2.3); (6) a general implementation approach or plan (Regulatory Positions C.3.1 and C.3.2); (7) a description of the testing and monitoring proposed for each component group (Regulatory Position C.3.3); (8) a description of the RI-IST corrective action plan (Regulatory Position C.3.4); and (9) a description of the RI-IST program periodic reassessment plan (Regulatory Position C.3.5). d. a summary of any previously approved relief requests for components categorized as HSSC along with any exemption requests, technical specification changes, and relief requests needed to implement the proposed RI-IST program (Regulatory Position C.2.1.2); e. an assessment of the appropriateness of any other relevant previously approved relief or alternative requests; f. a summary of those components categorized as HSSC that are not in the licensee’s current IST program and their proposed testing (Regulatory Positions C.1.2, C.2.2.2, C.2.2.3.2, C.3.1, and C.3.2); g. whether provisions of 10 CFR Part 50, Appendix B, apply to the RI-IST program and its updates—the licensee would be expected to control the RI-IST program and its updates in a manner commensurate with its impact on the facility’s design and licensing basis and in accordance with all applicable regulations and its quality assurance program description; h. a discussion of measures