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1.1* Scope. This standard provides minimum requirements for a risk-informed, performance-based change process for the fire protection program for advanced nuclear reactor electric generating plants during construction and all phases of plant operation, including shutdown, degraded conditions, and decommissioning. Fundamental fire protection elements for advanced nuclear reactor electric generating plants can be found in NFPA804, Standard for Fire Protection for Advanced Light Water Reactor Electric Generating Plants. A.1.1 This standard covers advanced light water reactors, advanced heavy water reactors, advanced gas-cooled reactors, advanced liquid metal reactors, or any and all types of advanced reactors. Advanced nuclear reactor designs include water-cooled reactors [light water and heavy water reactors (LWR/HWRs)], fast reactors [liquid metal fast reactors (LMFRs)], and gas-cooled reactors [graphite moderated high temperature gas-cooled reactors (HTGRs)]. Excluded are existing light water reactors. The fundamental elements of a fire protection program, including administrative controls, fire protection features, and so forth, can be found in NFPA804, Standard for Fire Protection forAdvanced Light Water Reactor Electric Generating Plants.
This standard provides minimum requirements for a risk-informed, performance-based change process for the fire protection program for advanced nuclear reactor electric generating plants, including their construction and all phases of operation, including shutdown, degraded conditions, and decommissioning in order to protect the safety of the public, the environment, on-site personnel, and the physical integrity of plant components.
A methodology is described to identify and describe the proposed change, identify the plant and fire protection program features that will potentially be impacted, identify performance criteria for each of these features, and determine whether the existing approved program will be met or modified or a risk-informed performance-based change evaluation will be applied to evaluate the change. NFPA 806 also provides requirements for the engineering analyses used to evaluate the potential impact of plant changes.
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