Description
new seismic maps reflecting the updated National Seismic Hazard Maps;
new wind speed maps, including new Hawaii maps, that result in reduced wind speeds for much of the United States, clarified special wind study zones, and separate Risk Category IV from Category III
New snow load maps incorporating regional snow data for areas that previously required site-specific case study zones;
Updated rain duration provisions that align design requirements with International Plumbing Code provisions for drainage;
Entirely new chapter covering tsunami design provisions, which are important to Alaska, Hawaii, California, Oregon, and Washington; and
New appendix provisions for fire design.








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