Document: NUREG-0800
Document ID: 4e1d86bd-74a5-4678-8bc0-ffce3ba28ea0
Document Type: srp
Title: RISK-INFORMED INSERVICE TESTING
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0428/ML042880272.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.9.7
CFR Part: 
CFR Title: 

Content:
orrective actions that have been taken on past IST program components. [This periodic reassessment should not be confused with the 120-month program updates required by 10 CFR 50.55a(f)(5)(i), whereby the licensee's IST program must comply with later versions of the ASME Code that have been endorsed by the NRC.] 5. RI-IST Program Changes After Initial Approval The reviewer should examine the licensee's proposed RI-IST program to determine whether it appropriately describes the types of changes that the licensee can make without prior NRC approval and the types of changes that require NRC approval before implementation. 11. ACCEPTANCE GUIDELINES A. ENGINEERING EVALUATION 1. Evaluation of Proposed Changes The licensee should have reviewed applicable documents to identify proposed changes to the IST program that would affect the design, operation, or other activities of the plant. On a component-specific basis, the licensee should have (1) identified instances in which the proposed RI-IST program change would affect the design, operation, and other activities of the plant, (2) identified the source and nature of the requirement (or commitment), and (3) documented the basis for the acceptability of the proposed requirement changes by addressing the key principles. 3.9.7-6 Rev. 0-August 1998 The licensee must comply with 10 CFR 50.59, 50.90, and 50.109 as applicable. The reviewer should recognize that there are certain docketed commitments that are not related to regulatory requirements that can be changed by licensees via processes other than as described in NRC regulations (e.g., consistent with Reference 9). 2. IST Program Scope Licensee's RI-IST program scope should include all components in the current code-prescribed IST program. In addition, the scope should include those non-code components that the licensee's integrated decision-making process categorized as HSSC. The staffs basis for reaching a conclusion that the licensee's proposed RI-IST program "provides an