ASCE/SEI 7-22 contains, for the first time, a chapter on tornado resistance. “This is all brand new, even within the technical community,” says Marc L. Levitan, lead research engineer in the . . .

ASCE 7-22 currently has four categories of risk. Under the new supplement, all but the lowest hazard structures—such as barns and sheds—must now use the 500-year floodplain to determine flood ...

The updated ASCE/SEI 7-22 Minimum Design Loads and Associated Criteria for Buildings and Other Structures includes the first-ever criteria for tornado-resistant design. “We’re not designing tornado ...