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:
ed in a RG, then the secondary reference is neither a legally-binding requirement nor a “generic” NRC approved acceptable approach for meeting an NRC requirement. However, licensees and applicants may consider and use the information in the secondary reference, if appropriately justified, consistent with current regulatory practice, and consistent with applicable NRC requirements. 2 IAEA Safety Requirements and Guides may be found at WWW.IAEA.Org/ or by writing the International Atomic Energy Agency, P.O. Box 100 Wagramer Strasse 5, A-1400 Vienna, Austria; telephone (+431) 2600-0; fax (+431) 2600-7; or e-mail Official.Mail@IAEA.Org. It should be noted that some of the international recommendations do not correspond to the requirements specified in the NRC’s regulations, and the NRC’s requirements take precedence over the international guidance. RG 1.205, Revision 2, Page 7 C. STAFF REGULATORY GUIDANCE 1. Exceptions and Clarifications for NEI 04-02, Revision 3 All references to NEI 04-02 in these regulatory positions refer to Revision 3 of that NEI document. a. As discussed in Section B of this RG in the paragraph titled “Documents Discussed in Staff Regulatory Guidance,” the NRC’s endorsement of NEI 04-02 does not imply the NRC’s endorsement of the references cited in NEI 04-02. The NRC has not necessarily reviewed and approved the guidance provided in these references, except where specifically noted in this RG. b. NEI 04-02 includes examples to supplement the guidance. These examples are illustrative only, and each licensee should ensure that an example is applicable to its particular circumstances before implementing its guidance. c. NEI 04-02 often refers to requirements in NFPA 805 and 10 CFR 50.48(c). In some cases, NEI 04-02 suggests that the requirements are voluntary (e.g., “should” used in place of “shall”). Since the 2001 Edition of NFPA 805 has been incorporated by reference into 10 CFR 50.48(c), licensees and applicants must