R312.1.2. Height
Required guards at open-sided walking surfaces, including stairs, porches, balconies [...]
R311.7.8.1 Height
Handrail height, measured vertically from the sloped plane adjoining the [...]
R321.1.2. Height
Required guards at open-sided walking surfaces, including stairs, porches, balconies [...]
R320.1 Height
Handrail height, measured vertically from the sloped plane adjoining the [...]
R312.1.2. Height
Required guards at open-sided walking surfaces, including stairs, porches, balconies [...]
R311.7.8.1 Height
Handrail height, measured vertically from the sloped plane adjoining the [...]
