EPRI : External Flooding Hazard Analysis: State of Knowledge Assessment

Following the earthquake and subsequent tsunami that led to core melt in three units at Fukushima Dai-ichi, the nuclear industry has begun to reassess the risk to nuclear sites from external flooding sources. This report examines the current methods used to assess risk to nuclear sites from the most common sources of external flooding: local intense precipitation (LIP), riverine flooding, dam failure, and storm surge. The focus of this report is on the manner in which these methods have been emp