Document: NRC Regulatory Guide
Document ID: 8e45dce1-e1e7-4415-b1dd-7e2a610e545b
Document Type: regulatory_guide
Title: Fire Protection for Nuclear Power Plants (Rev. 4)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2023/ML20231A835.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.189
CFR Part: 
CFR Title: 

Content:
its development of this RG, the NRC considered IAEA Safety Requirements and Safety Guides1 pursuant to the Commission’s International Policy Statement (Ref. 38) and Management Directive and Handbook 6.6 (Ref. 39). In development of this RG, the following IAEA Safety Requirements and Guides were considered: • NS-G-1.7, “Protection Against Internal Fires and Explosions in the Design of Nuclear Power Plants” (2004). • NS-G-2.1, “Fire Safety in the Operation of Nuclear Power Plants” (2000). Documents Discussed in Staff Regulatory Guidance This RG endorses, in part, the use of one or more codes or standards developed by external organizations, and other third-party guidance documents. These codes, standards, and third-party guidance documents may contain references to other codes, standards, or third-party guidance documents (“secondary references”). If a secondary reference has itself been incorporated by reference into NRC regulations as a requirement, then licensees and applicants must comply with that standard as set forth in the regulation. If the secondary reference has been endorsed in a RG as an acceptable approach for meeting an NRC requirement, then the standard constitutes a method acceptable to the NRC staff for meeting that regulatory requirement as described in the specific RG. If the secondary reference has 1 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. DG-1359, Page 12 neither been incorporated by reference into NRC regulations nor endorsed in a RG, then the secondary reference is neither a legally binding