All existing single and multiple occupancy residential structures shall, by February 25, 1984, or at the time of any change of occupancy, or when a structural change or repair is made costing $1,000 or more, whichever occurs first, shall have installed therein a minimum of one smoke detector per dwelling unit or a fire detection system. No fire detection system shall be installed unless a permit is issued therefor by the Fire Marshal.
(1999 Code, § 6-4-2) (Ord. 3-81, passed 2-25-1981) Penalty, see § 150.999