Supplement 2 for Minimum Design Loads and Associated Criteria for Buildings and Other Structures (ASCE/SEI 7-22)

In ASCE/SEI 7-22 Supplement 2, the Flood Hazard Area is increased from the 100-year flood plain to the 500-year flood plain for Risk Categories II, III, and IV structures to improve the performance of structures subjected to flood events and to meet the target reliabilities of the standard. This change in approach, along with revised loading equations, is a significant departure from previous versions of ASCE 7. In addition to other updates in this supplement, the majority of Chapter 5, Flood Loads, and its commentary have been updated.