(A) Where a lot abuts on an alley, one-half of the alley width may be considered as part of the required rear yard.
(B) An accessory building not exceeding 20 feet in height may occupy not to exceed 30% and unenclosed parking spaces may occupy not to exceed 90% of the area of a required rear yard, but no accessory building shall be closer than ten feet to the main building nor closer than three feet to any rear lot line.
(C) The ordinary projections of sills, belt courses, cornices, and ornamental features may extend to a distance not to exceed 18 inches into a required yard.
(D) Open or lattice-enclosed fire escapes, outside stairways, and balconies opening upon fire towers, and the ordinary projections of chimneys and flues into a rear yard may be permitted by the Building Inspector for a distance not to exceed five feet when these are so placed as not to obstruct light and ventilation.
(Prior Code, § 5-7-4)