Document: NRC Regulatory Guide
Document ID: 666e1303-0170-4974-a7d6-af27eb586524
Document Type: regulatory_guide
Title: Risk-Informed, Performance-Based Fire Protection for Existing Light-Water Nuclear Power Plants (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2104/ML21048A448.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.205
CFR Part: 
CFR Title: 

Content:
ation Services Branch (T6-A10M), U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001, or by e-mail to Infocollects.Resource@nrc.gov, and to the OMB reviewer at: OMB Office of Information and Regulatory Affairs (3150-0011), Attn: Desk Officer for the Nuclear Regulatory Commission, 725 17th Street, NW, Washington, DC 20503; e-mail: oira_submission@omb.eop.gov. Public Protection Notification The NRC may not conduct or sponsor, and a person is not required to respond to, a collection of information unless the document requesting or requiring the collection displays a currently valid OMB control number. RG 1.205, Revision 2, Page 4 B. DISCUSSION Reason for Revision This revision of the RG (Revision 2) addresses new information identified since the guide was revised in 2009 and updates previous staff positions and endorsements. This RG endorses Nuclear Energy Institute (NEI) guidance documents, NEI 04-02, “Guidance for Implementing a Risk-Informed, Performance-Based Fire Protection Program Under 10 CFR 50.48(c),” Revision 3, issued 2019 (Ref. 10), and portions of NEI 00-01, “Guidance for Post Fire Safe Shutdown Circuit Analysis,” Revision 4, issued 2019 (Ref. 11). This revision also includes guidance concerning fire-induced circuit failures, which is located in Section C.3.3, “Circuit Analysis.” Background In accordance with 10 CFR 50.48(a), each operating nuclear power plant must have a fire protection plan that satisfies GDC 3. In addition, plants licensed to operate before January 1, 1979, must meet the requirements of Appendix R to 10 CFR Part 50, except to the extent provided for in 10 CFR 50.48(b). The NRC requires plants licensed to operate after January 1, 1979, to comply with 10 CFR 50.48(a), as well as any plant-specific fire protection license conditions and technical specifications. The fire protection requirements of 10 CFR 50.48(b) and Appendix R to 10 CFR Part 50, and the associated regulatory guidance, are prescriptive in that they