Document: NUREG-0800
Document ID: b8d2b8f5-432a-4c0a-81ab-20231f7d0f28
Document Type: srp
Title: PROBABILISTIC RISK ASSESSMENT AND SEVERE ACCIDENT EVALUATION FOR
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1508/ML15089A068.pdf
Revision Date: 2023-06
Chapter: 19
Section ID: 19.0
CFR Part: 
CFR Title: 

Content:
aff’s review of Tier 1 information in the DCD. 19.0-39 Revision 3 – December 2015 7. Added statements that identify additional organizations with which staff with primary review responsibility may need to interface with. 8. A statement was added to clarify the interface between the review of combustible gas control and the review of severe accidents. 9. Several statements were added to clarify the division or responsibility of the PRA reviewer and the I&C reviewer regarding treatment of the DI&C systems in the PRA. 10. Some considerations for design certification rules were deleted. II. ACCEPTANCE CRITERIA 1. Added a description of 10 CFR 52.47(a)(1) to the list of requirements applicable to DC applicants. 2. In regards to the requirements in 10 CFR 52.47(a)(27), a statement was added to clarify that a PRA-based SMA is an acceptable surrogate for seismic PRA in a design certification application since a seismic PRA cannot be performed unless the site has been adequately characterized. 3. Added a statement describing requirements in 10 CFR 52.79(a)(1) for COL applicants. 4. Added statements describing Commission expectations regarding containment performance and SMA. 5. Added several statements describing Commission expectations for use of the PRA in advanced reactor design and licensing. 6. Added (1) a statement to indicate that the PRA is not part of the design bases and therefore not subject to quality assurance requirements in 10 CFR Part 50, Appendix B, and (2) guidelines that establish, at a high level, acceptable elements for a quality assurance program. 7. Several statements were added that describe the staff’s acceptance criteria for technical adequacy of the PRA, including the standards and guidance that will be applied. 8. Two statements were added that identify specific results from the PRA the staff will need to consider in order to complete its review of Chapter 19 of the FSAR. 9. Guidance was added regarding acceptable approaches for reporting