A. Fire escapes may extend into any required yard not more than four feet (4').
B. Open, unenclosed stairways or balconies may extend into a rear yard not more than four feet (4'), and into a front yard not more than thirty inches (30").
C. Open, unenclosed porches, platforms or landing platforms which do not extend above the level of the first floor of the building may extend or project into the front or rear yard a distance of not more than six feet (6'), and such features may not extend into a court more than twenty percent (20%) of the width of such court, and not more than six feet (6').
D. Planting boxes may be permitted in a required yard.
E. Roof projections may extend into a required side yard as provided by this title, but not closer than two feet (2') to the side property line, nor creating less than four feet (4') of space between such projection and the closest point on any adjoining building.
F. Fireplace structures may be located in a required yard, provided they do not reduce the yard by more than two feet (2'), nor create any yard less than three feet (3') in width.
G. 1. Portion Of Main Building: A portion of the main building, or an attached garage, not to exceed thirty feet (30') in width may project into the required rear yard area to within ten feet (10') of the rear property line, if a rear yard open space having a minimum dimension of fifteen feet (15') and containing a minimum area of one thousand five hundred (1,500) square feet for the R-1 and R-1-D districts; two thousand one hundred (2,100) square feet for the R-S district; and two thousand five hundred (2,500) square feet for the R-E, R-A, R-A-A, R-R and R-R-A districts, is provided. Such rear yard open space shall be located to the rear of the front setback line and may not contain any detached accessory buildings.
2. Permitted Projection: No permitted projection shall be located closer than ten feet (10') from any existing or potential structure on abutting residential properties.
3. Exception: Rear yard open space for substandard lots of record may be reduced below the required area in direct proportion to which the lot area is substandard for the zone district wherein it is located. In no case, however, shall the rear yard open space be less than one thousand (1,000) square feet.
H. Open, unenclosed, covered patios may project to within five feet (5') of the rear property line.
I. In all residential zones where the side yard of an existing residence is nonconforming with the side yard provisions of the zone, additions to the residence may be permitted to be built along the same horizontal plane as the nonconforming side yard provided the following conditions are met:
1. The square footage of the addition does not exceed fifty percent (50%) of the square footage of the existing unit;
2. All other provisions of the zone district, especially maximum coverage by structures, and rear yard requirements, are complied with;
3. In no case shall the addition be less than three feet (3') from the property line. (Ord. 2333 § 40, 1997: Ord. 2054 § 1, 1988: Ord. 1000 § 45.30, 1955)