| Feature | ASCE 7-05 | ASCE 7-22 | |---------|-----------|-----------| | Wind speed map | Ultimate (Miami: 170 mph) | Ultimate with separate hurricane & non-hurricane zones | | Tornado loads | Not addressed | Chapter 32 (Tornado-borne debris & pressures) | | Air-permeable cladding | Not covered | Explicit provisions for metal & fabric | | Concrete MWFRS | C&C & MWFRS combined | Refined effective wind area approach | | Risk Category | I, II, III, IV (basic) | Same but with higher speeds for IV |
Internal pressure results from openings (windows, doors, vents) in the building envelope. wind load calculation as per asce 7-05