Deflection Limits: wind-story-drift-typical
Serviceability deflection and drift limits per IBC 2021 Table 1604.3 and ASCE 7-22 — floor beams, roof members, exterior walls, interior partitions, and story drift for seismic and wind
| member type | load case | applicable load combination | limit denominator (dimensionless) | limit description | limit ratio | notes |
|---|---|---|---|---|---|---|
| wind-story-drift-typical | wind | W (10-year MRI) | 400 | Wind story drift — typical building practice (not code prescribed) | H/400 | Industry rule of thumb H/400 to H/600; ASCE 7 recommends H/480 at 10-year wind |
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