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:
rm an alternate test strategy. * The licensee provided the staff with a description of the testing to be conducted on components of high safety significance that were not in the licensee's current IST program. * The licensee assessed the appropriateness of relief for components categorized as HSSC that were the subject of a previously approved relief request (or an NRC- authorized alternative test) in light of the safety significance of the component. The staff finds that relief for these components is still appropriate. [Each instance should be explicitly addressed in the safety evaluation report.] * The licensee has made a commitment to exercise or operate IST components (except for certain check valves and relief valves) at least once every refueling cycle where practical. 4. Relief Requests and Technical Specification Amendments The reviewer should verify that sufficient information is provided in accordance with the requirements herein and that the evaluation supports conclusions of the following type, to be included in the staffs safety evaluation report: * The licensee's RI-IST program is testing components of high safety significance in accordance with the code test frequency and method requirements or has a relief request approved or submitted for approval. In addition, the licensee is testing LSSC in accordance with the code test method requirements (although at an extended interval) or has a relief request approved or submitted for approval. The licensee has approved technical specification amendments for all proposed RI-IST program changes that affected its technical specifications. 5. Scope, Level of Detail, and Quality of the PRA for IST Application The reviewer should verify that sufficient information is provided in accordance with the requirements herein and that the evaluation supports conclusions of the following type, to be included in the staffs safety evaluation report: 3.9.7-28 Rev. 0-August 1998 * There is reasonable assurance of PRA