Document: NUREG-0800
Document ID: 611894d3-7df3-4689-9993-3ec62c194495
Document Type: srp
Title: MAINTENANCE RULE
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1301/ML13015A125.pdf
Revision Date: 2023-06
Chapter: 17
Section ID: 17.6
CFR Part: 
CFR Title: 

Content:
s/are being lost so the impact of removing multiple SSCs from service can be determined. For qualitative risk assessments, the program description should explain how the risk assessment and management program will preserve defense-in-depth (DID) and plant- specific key safety functions. The maintenance risk assessment and management area of the program description should address (but not necessarily be limited to) the following areas: A. Determination of the scope (or limited scope) of SSCs to be included in 10 CFR 50.65(a)(4) risk assessments. B. Risk assessment and management during work planning; addressing qualitative, quantitative or blended approach in different modes of plant operation, pre-established plant risk categories or bands and basis (e.g., baseline core damage frequency multiples (address time limits), and/or incremental conditional core damage probability), DID, preservation of key safety functions, standard risk management actions for the various risk bands, and provisions for configuration-specific risk management plans. C. Risk assessment and management of emergent conditions and updating risk 17-6-11 Draft Revision 2 – July 2013 assessments as maintenance situations and plant conditions and configurations are changed. D. Assessment (quantitative and qualitative capabilities) and management of risk of external events or conditions. E. Assessment and management of risk of maintenance activities affecting containment integrity. F. Assessment and management of risk of maintenance activities when at low power or when shut down (including implementation of NUMARC 91-06.) G. Assessment and management of risk associated with the installation of plant modifications and assessment and management of risk associated with temporary modifications in support of maintenance activities (in lieu of screening in accordance with 10 CFR 50.59, “Changes, Tests and Experiments.”) in accordance with latest revision of Nuclear Energy Institute (NEI) 96-07, as