1011.7.2 Outdoor conditions.
BC § 1011.7.2
Outdoor stairways and outdoor approaches to stairways shall be designed so that water will not accumulate on walking surfaces. In occupancies other than Group R-3 and occupancies in Group U that are accessory to an occupancy in Group R-3, treads, platforms and landings that are part of exterior stairways in climates subject to snow or ice shall be protected to prevent the accumulation of same.













