In a retail business district a public garage may be established, erected or enlarged, provided:
(a) That no entrance or exit of such garage, for vehicles, shall be within 200 feet of the entrance to any school, playground, church, hospital or public library, or within 100 feet of any residence district established by this chapter.
(b) That no repair facilities shall be maintained on the front portion of the lot, or in the front portion of the first story of the building, within thirty feet of the street.
(c) That any door for vehicles, opening upon a street, shall be at least fifteen feet from the street line and an open, unoccupied space shall be maintained between such door and the street line. The height of such open, unoccupied space shall be not less than twelve feet and other dimensions shall be such that no part of the building encroaches on the triangular area circumscribed by lines joining the center of the doorway and two points on the street line, one on each side of the center line of the doorway and twelve feet therefrom.
(Passed 6-17-57; 8-8-78.)