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A403.5 Weak Story Limitation

2010 Existing Building Code of NY > A4 Earthquake Hazard Reduction in Existing Wood-Frame Residential Buildings With Soft, Weak or Open-Front Walls > A403 Analysis and Design > A403.5 Weak Story Limitation
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Every weak story shall be strengthened to the lesser of:

1. Ωo times the story shear prescribed by Sections A403.3 and A403.4.
2. In two-story buildings up to 30 feet (9144 mm) in height, 65 percent of the strength of the story above. In all other buildings, 80 percent of the strength of the story above.
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Related Code Sections


A403.5 Earthquake Hazard Reduction in Existing Wood-Frame Residential Buildings With Soft, Weak or Open-Front Walls, Weak Story Limitation
Every weak story shall be strengthened to the lesser of: 1. Ω o times the story shear prescribed by Sections A403.3 and A403.4. 2. In two-story ...
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