9.9.2.

(1) Except as otherwise provided in this Section, an exit from any floor area shall be one of the following used singly or in combination:

(a) an exterior doorway,

(b) an exterior passageway,

(c) an exterior ramp,

(d) an exterior stairway,

(e) a fire escape (as described in Subsection 3.4.7.),

(f) a horizontal exit,

(g) an interior passageway,

(h) an interior ramp, or

(i) an interior stairway.

(2) Fire escapes are permitted to be used as exits on existing buildings provided they are designed and installed in conformance with Subsection 3.4.7.

(3) Fire escapes shall not be installed on any new building.

(4) Where a horizontal exit is used, it shall conform to Sentence 3.4.1.6.(1) and Article 3.4.6.9.

(1) An exit shall be designed for no purpose other than for exiting except that an exit may also serve as an access to a floor area.

(1) Elevators, slide escapes or windows shall not be considered as part of a required means of egress.

(2) Except for floor areas of mercantile occupancy, casement windows not less than 1 060 mm high, 560 mm wide, with a sill height not more than 900 mm above the inside floor, are permitted to be considered part of a required means of egress to provide access to fire escapes, when fire escapes are permitted.

(1) Except for doors serving a single dwelling unit, at least one door at every principal entrance to a building providing access from the exterior at ground level shall be designed in accordance with the requirements for exits.

(1) Except for curved stairs the front edge of stair treads in exits and access to exits shall be at right angles to the direction of exit travel.

(1) Treads and landings of exterior exit stairs that serve a hotel shall be designed to be free from ice and snow accumulation.