2024-15479: Draft Regulatory Guides: Design-Basis Floods for Nuclear Power Plants and Guidance for Assessment of Flooding Hazards Due to Water Control Structure Failures and Incidents
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The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment two related draft Regulatory Guides (DG) namely DG-1290, Revision 1, "Design-Basis Floods for Nuclear Power Plants," proposed Revision 3 of Regulatory Guide (RG) 1.59 of the same name and DG-1417, "Guidance for Assessment of Flooding Hazards due to Water Control Structure Failures and Incidents," proposed new RG 1.256. DG-1290 provides guidance for applicants for new nuclear power plants (NPPs) on acceptable methods for evaluating design-basis floods and DG-1417 provides guidance for applicants on flooding hazards due to failure or other incidents at man-made water control structures including, but not limited to, dams and levees.
The agency’s own summary, as published.
What this changes
Amends 3 parts of the Code of Federal Regulations — the standing rules this notice rewrites.
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