Design Guide for New Tornado Load Requirements in ASCE 7-22

This guide provides detailed instructions for design professionals and building officials on determining when and how to apply tornado load requirements to buildings and other structures under ASCE 7-22. It explains the new tornado load provisions, including design parameters, hazard maps, and calculation methods for tornado forces, with a focus on Risk Category III and IV buildings in tornado-prone regions. The document clarifies the distinction between conventional buildings and storm shelters or safe rooms, referencing relevant standards for each. It is intended for users familiar with ASCE 7 wind load methodology and supports compliance with updated building codes.