In buildings of Types II, III or IV construction, multiple dwellings as defined in Section 13-56-040 and buildings of mixed occupancy having any residential units, shall contain not less than one approved smoke detector at the uppermost ceiling of all interior stairwells. All approved smoke detectors herein required shall be installed on the ceiling, at least four inches from the wall or on a wall located from four to 12 inches from the ceiling.
(Prior code § 52-11.2; Amend Coun. J. 9-8-86, p. 33588)