Document: NRC Regulatory Guide
Document ID: edb75cf4-27e1-4166-989c-25781bd48b98
Document Type: regulatory_guide
Title: Fire Protection Program for Nuclear Power Plants During Decommissioning and Permanent Shutdown (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2007/ML20078K920.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.191
CFR Part: 
CFR Title: 

Content:
otection System Outages and Impairments The fire protection program should provide the necessary controls to minimize the duration and impact of impairments to the fire protection systems. Chapter 15, “Impairments,” of NFPA 25, “Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems” (Ref. 30), provides additional guidance and information. The controls should provide for identifying, prioritizing, and promptly correcting fire protection impairments, informing fire protection staff of the impairment, and establishing compensatory measures for the duration of the impairment. Compensatory measures may include, but are not limited to, conducting fire watch tours of affected areas, limiting work activities involving fire hazards, providing alternative fire protection features, and requesting special fire department support. Work control practices during decommissioning should avoid scheduling activities that involve hot work, the use of flammable or combustible materials, or other fire hazards in areas with impaired fire protection systems. 3.6.4 Control of Fire Area Boundaries or Barriers The fire protection program should address the control of fire area boundaries or barriers and the maintenance of these structures as the facility is modified or dismantled during decommissioning. Breaches in the fire barriers caused by the removal of penetration seals or other modifications should be protected in accordance with the modified barrier’s fire-resistance capability and the associated fire DG-1370, Page 16 hazards. A program for inspecting, testing, and maintaining fire doors, fire dampers, and fire walls, floors, ceilings, or fire enclosures should be developed and implemented to ensure these passive barriers will perform as intended. The barrier control program should allow for redesignation, modification, or removal of barriers, based on changes to the facility and hazards (i.e., fire and radiological) as the facility is