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:
fire protection systems, equipment, or features required by the nuclear power plant’s post-fire safe-shutdown analysis and the action is needed to maintain compliance with applicable fire protection regulations in 10 CFR 50.48. fire protection feature: Administrative controls, emergency lighting, fire barriers, fire detection and suppression systems, fire brigade personnel, and other features provided for fire protection purposes. fire protection program: The integrated effort involving components, procedures, analyses, and personnel used in defining and carrying out all activities of fire protection. It includes system and facility design, fire prevention, fire detection, annunciation, confinement, suppression, DG-1359, Page 108 administrative controls, fire brigade organization, inspection and maintenance, training, quality assurance, and testing. fire protection system: Fire detection, notification, and suppression systems designed, installed, and maintained in accordance with the applicable nationally recognized codes and standards endorsed by the NRC. fire resistance: The ability of an element of building construction, component, or structure to fulfill, for a stated period of time, the required load-bearing functions, integrity, thermal insulation, or other expected duty specified in a standard fire-resistance test. fire-resistance rating: The time that materials or assemblies have withstood a fire exposure as established in accordance with the test procedures of NFPA 251, “Standard Methods of Tests of Fire Resistance of Building Construction and Materials.” fire-retardant material: Material that has been coated or treated with chemicals, paints, or other materials that are designed to reduce the combustibility of the treated material. fire risk: The combination of the probability and consequences of a given fire event based on consideration of (1) what can go wrong? (2) how likely is it? and (3) what are the consequences if it occurs? fire stop: A