(a) The following portions of a building in a Class B1 Building Line District may project from the major exterior wall into the area between the building line and the street line for the separately indicated distances:
(1) Unenclosed porches for not more than nine feet;
(2) Entries for not more than four feet if not over one and one-half stories in height;
(3) Front bays and chimneys for not more than two feet;
(4) Steps for not more than nine feet; and
(5) Ordinary projections of window sills, belt courses or other ornamental features for not more than four inches, and cornices, eaves or awnings for not more than three feet.
(b) At a street corner where a Class B1 Building Line District meets the side line of a corner lot in a Class B2 Building Line District, there shall be no setback for the first 140 feet from the corner. The Class B1 building line shall begin at the street line 140 feet from the corner and run in a straight line at an angle with the street line to reach the full Class B1 setback distance at a point along such street line distance five times the Class Bl setback distance from the point of beginning.
(c) In a Class B2 Building Line District, ordinary projections of window sills, belt courses or other ornamental features for not more than four inches and cornices or eaves for not more than three feet may extend into the area between the building line and the street line.
(d) Subject to the provisions of the City Building Code and to the limitations of pertinent sections of this zoning ordinance, the Board of Zoning Appeals is authorized to establish rules and regulations governing awnings and marquees and billboards, signboards and advertising signs, whether or not attached to a building, which project either into the area between the building line and the street line or into the street area.
(Ord. 4761, passed 11-17-1953; Ord. 5531, passed 2-11-1964)