Each lot shall have front, side and rear yards with the following minimum widths or depths.
(a) Front Yard. Sixty feet.
(b) Two Side Yards. Thirty feet each, except that lots fronting onto a street existing at the time of the adoption of this chapter (Ordinance 53-61, passed April 17, 1961) shall have side yards of not less than forty feet in width, and where adjoining a Residence District or public street, the side yard shall be not less than sixty feet in width.
(c) Rear Yard. Forty feet, except that where adjoining a residence district, the rear yard shall be not less than seventy-five feet in depth.
(Ord. 53-61. Passed 4-17-61.)