Notwithstanding any ordinance or regulation to the contrary, sidewalks and curbs shall be constructed by the subdivider along all of the streets of any residential subdivision in the city; provided that the construction of sidewalks in residential subdivisions situated in areas zoned as class “AAAA” residential districts shall be left to the discretion of the subdivider. Such sidewalks and curbs shall be constructed in conformity with the specifications and requirements of the city.
(Sec. 22-4.1, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 22, Art. 4, § 22-4.1)