Deflection Limits: seismic-story-drift-riskIV
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 |
|---|---|---|---|---|---|---|
| seismic-story-drift-riskIV | seismic | seismic | 100 | Seismic story drift — Risk Category IV (0.010 hsx) | H/100 | Essential facilities allowable drift |
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