Section 110-537. Erection of more than one principal structure on lot.
(a) In any district, except R-1, more than one structure housing a permitted or permissible principal use may be erected on a single lot, provided that this division and other requirements of this chapter shall be met for each structure.
(b) The distance between buildings shall be as follows:
(1) Twenty feet for first two stories;
(2) Twenty-five feet for first three stories;
(3) Thirty feet for first four stories; and
(4) Two additional feet for each story above four.