Document: NUREG-0800
Document ID: ac43f632-9db1-4857-9f56-bfba45965456
Document Type: srp
Title: * These are modifications to a plant’s design, operations, or other activities that require NRC approval. These modifica
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0232/ML023250195.pdf
Revision Date: 2023-06
Chapter: 19
Section ID: 19
CFR Part: 
CFR Title: 

Content:
[Section III.2.1] 4. When proposed changes result in an increase in core damage frequency or risk, the increases should be small and consistent with the intent of the Commission’s Safety Goal Policy Statement (Ref. 1). [Sections III.2.2 and III.2.3] 5. The impact of the proposed change should be monitored using performance measurement strategies. [Section III.3] SRP 19-6 In demonstrating adherence to the above principles, reviewers should ensure that licensees address the following issues as part of their submittals: • All safety impacts of the proposed change are evaluated in an integrated manner as part of an overall risk management approach in which the licensee is using risk analysis to improve operational and engineering decisions broadly by identifying and taking advantage of opportunities to reduce risk, and not just to eliminate requirements the licensee sees as desirable. For those cases when risk increases are proposed, the benefits should be described and should be commensurate with the proposed risk increases. The approach used to identify changes in requirements was used to identify areas where requirements should be increased as well as where they could be reduced. [Section III.2.3] • The scope, level of detail, and quality of the engineering analyses (including traditional and probabilistic analyses) conducted to justify the proposed LB change are appropriate for the nature and scope of the change and are based on the as-built, as-operated, and maintained plant, including reflecting operating experience at the plant. [Section III.2.2] • The plant-specific PRA supporting the licensee’s proposals has been subjected to quality controls such as an independent peer review or certification. [Section III.2.2] • Appropriate consideration of uncertainty is given in analyses and interpretation of findings, including using a program of monitoring, feedback, and corrective action to address significant uncertainties. [Sections III.2.2 and III.3] •