{"data":{"id":"us/10-cfr-53.415","jurisdiction":"us","citation":"10 CFR 53.415","heading":"Protection against external hazards.","body":"Safety-related SSCs must be protected against or must be designed to withstand the effects of natural phenomena (e.g., earthquakes, tornadoes, hurricanes, floods, tsunami, and seiches) and constructed hazards (e.g., dams, transportation routes, military and industrial facilities) considering an event severity up to the design-basis external hazard levels as determined under § 53.510 without losing the capability to perform the safety functions identified under § 53.230. Specific requirements for earthquake engineering are included in § 53.480.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 53—RISK-INFORMED, TECHNOLOGY-INCLUSIVE REGULATORY FRAMEWORK FOR COMMERCIAL NUCLEAR PLANTS","Subpart C—Design and Analysis Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"c96c1c31628c6d1460f87bbe06689486a09bc5a8d37409d1e7f4892b5f66e4bf","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-53.410","next":"us/10-cfr-53.420"},"notice":"GroundRules: Original legal text. Not legal advice."}
