Document: NRC Regulatory Guide
Document ID: 151ab883-1221-4a79-88d6-a2631cce2239
Document Type: regulatory_guide
Title: Decommissioning of Nuclear Power Reactors (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2134/ML21347A080.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.184
CFR Part: 
CFR Title: 

Content:
el injury, or flushing of potentially radioactive material into an uncontaminated location. As a minimum, the licensee should maintain a level of detail in the FSAR that provides the status of all the operating licensing-basis SSCs until the systems are no longer mechanically or electrically active, are no longer radioactively contaminated, have no fluid content or other materials that require special handling DG-1347 Revision 1, Page 19 considerations, or have been physically removed during dismantlement. System disablement for mechanical and electrical systems should rely on physical controls difficult to reverse, such as removal of piping spool pieces and electrical breakers, rather than valve and breaker positioning and tagging. 8.4.2 Licensee Organization The FSAR or comparable document should describe the licensee’s corporate and site organization during decommissioning. It should describe the structure, functions, and responsibilities of the onsite organization established to decommission the facility, including the use of a decommissioning general contractor if applicable. 8.4.3 Radioactive Waste Management The scope remains the same as in the operating-phase FSAR. 8.4.4 Radiation Protection The scope remains the same as in the operating-phase FSAR. 8.4.5 Conduct of Operations The scope remains the same as in the operating-phase FSAR. 8.4.6 Site Characteristics The licensee should update any sections of the FSAR that discuss the site characteristics that support the safe storage of fuel or that could directly affect the design basis of the facility. 8.4.7 Accident Analysis The licensee should evaluate any new or different design-basis accidents identified during 10 CFR 50.59 evaluations of the changes planned during decommissioning and include them in FSAR updates, if appropriate (e.g., consideration of accidents involving a newly installed gas pipeline within or near the facility). Conversely, as decommissioning progresses, the licensee may remove any