Document: NUREG-0800
Document ID: 817bb0ad-6fd7-433e-aa2b-b4b3e1166f9c
Document Type: srp
Title: PROBABILISTIC RISK ASSESSMENT AND SEVERE ACCIDENT EVALUATION FOR
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0717/ML071700652.pdf
Revision Date: 2023-06
Chapter: 19
Section ID: 19.0
CFR Part: 
CFR Title: 

Content:
stems (RTNSS) is sufficient and, if appropriate, identify the SSCs included in RTNSS. B. Support, as a minimum, regulatory oversight processes (e.g., Mitigating Systems Performance Index, significance determination process) and programs that are associated with plant operations (e.g., technical specifications, reliability assurance, human factors, maintenance rule implementation). C. Identify and support the development of specifications and performance objectives for the plant design, construction, inspection, and operation, such as inspections, tests, analyses, and acceptance criteria (ITAAC); RAP; technical specifications; and COL action items and interface requirements. To ensure that the DC or COL application adequately addresses these aspects, the staff reviews the following: 1. The scope, level of detail, and technical adequacy of the design-specific and plant-specific PRA to ensure that it is appropriate for the DC and COL, respectively, and any identified uses and risk-informed applications. 2. The assumptions in the PRA made during design development/certification, in which a specific site may not have been identified or all aspects of the design (e.g., balance of plant) may not have been fully developed, to confirm that these assumptions are identified in the DC application and either remain valid or are adequately addressed within the COL application. 3. The design features used to prevent or mitigate severe accidents identified within SECY-93-087. 4. As part of the PRA description, how the PRA will be maintained and upgraded to ensure that the PRA, consistent with its identified uses and risk-informed applications, should continue to reasonably reflect the as-designed, as-built, and as-operated plant, including the corrective action and feedback mechanisms involving the periodic evaluation of the PRA on the basis of actual plant-specific equipment, train, and system performance and relevant industry operational experience. Review Interfaces All