Every multiple dwelling shall be provided with fire protective features approved as being adequate for the protection of the occupants thereof. The minimum requirements for such protection are as follows:
(a) Every public hallway, corridor, stairway, exit or other means of egress shall be protected against fire with construction, other than doors, having a fire resistance rating of not less than three-quarters of an hour and shall be kept clear and unobstructed at all times, so as to afford safe passage from each dwelling unit to open space at ground level.
(b) All doors into interior stairways shall be windowless, solid core, or approved equivalent, self-closing doors. All doors used for egress into public hallways or corridors, other than interior stairways, shall be windowless, solid core, or approved equivalent, doors.
(c) The underside of any stairway located above a basement stairway or cellar stairway shall be protected by material having a fire resistance rating of not less than three-quarters of an hour.
(d) Basement or cellar stairways shall be separated from the first floor level by openings protected by self-closing doors having a fire resistance rating of not less than three-quarters of an hour.
(e) Every multiple dwelling containing more than two dwelling units on any floor, which dwelling units are served by an interior public stairway and hallway as a means of ingress and egress, shall have such stairway completely separated from such hallway by a fire resistive partition having a fire resistance rating of not less than three-quarters of an hour with the opening in such partition protected by a self-closing, windowless, solid core, or approved equivalent, door having a fire resistance rating of not less than three-quarters of an hour.
(f) Smoke detectors in all multiple dwellings shall be installed and maintained in workable order outside of each separate sleeping area in the immediate vicinity of the bedrooms and in each additional story of the dwelling, including basements and cellars but not crawl spaces and uninhabitable attics. (Refer to Chapter 1505 of the Codified Ordinances, OFC F-518.0 Detection Systems Required in Apartment Buildings.)
(Ord. 27-92. Passed 9-29-92.)