PM-602.1 General: A safe, continuous and unobstructed means of egress shall be provided from the interior of a structure to a public way.

PM-602.2 Arrangement: Exits from dwelling units, rooming units, guestrooms and dormitory units shall not lead through other such units, or through toilet rooms or bathrooms.

PM-602.3 Stairways, handrails and guards: Every exterior and interior flight of stairs having more than three risers shall have handrails, and every open portion of a stair, landing, balcony, deck, porch or other walking surface which is more than 30 inches (762 mm) above the floor or grade below shall have guards. Handrails shall not be less than 30 inches (762 mm) nor more than 42 inches (1067 mm) high, measured vertically above the nosing of the tread or above the finished floor of the landing or walking surfaces. Guards shall not be less than 30 inches (762 mm) high above the floor of the walking surface.
PM-602.4 Walking surfaces: Walking surfaces of aisles, passageways, corridors, stairways and other elements of means egress shall be maintained free of warping, loose or torn surfaces and any other condition which does not provide safe means of egress.

PM-602.5 Maintenance of exterior stairs and fire escapes: All exterior stairways and fire escapes shall be kept free of snow and ice. Exterior stairways and fire escapes constructed of materials requiring the application of weather protecting products, shall have these products applied in an approved manner and shall be applied as often as necessary to maintain the stairways and fire escapes in safe condition.