§ 155.05  HEIGHT AND AREA EXCEPTIONS.
   The regulations contained herein relating to the height of buildings and the size of yards and other open spaces shall be subject to the following exceptions:
   (A)   Chimneys, towers, lofts, etc.  Chimneys, cooling towers, elevator bulkheads, fire towers, monuments, windmills, stacks, scenery lofts, tanks, water towers, ornamental towers, spires, wireless or broadcasting towers, masts or aerials and necessary mechanical appurtenances exceeding the height regulations of this chapter may be permitted as conditional uses by the Plan Commission.
   (B)   Street yard modifications. The yard requirements stipulated elsewhere in this chapter may be modified as follows:
      (1)   Uncovered stair restrictions.  Uncovered stairs, landings and fire escapes may project into any yard, but not to exceed six feet and be not closer than three feet to any lot line, and must be eight feet or more above ground.
      (2)   Cul-de-sac and curve restrictions.  Lot frontage on cul-de-sacs and curves may be less than the district requirements provided the width at the building setback line is at least the required width and the street frontage is not less than 45 feet.
      (3)   Architectural projection restrictions. Architectural projections such as chimneys, flues, sills, eaves, belt courses and ornaments may project into any required yard, but such projections shall not exceed two feet.
      (4)   Fence and wall restrictions.  See § 150.011.
      (5)   Essential services exemptions. Essential services, utilities, electric power and communication transmission lines are exempt from the yard and distance requirements of this chapter.
      (6)   Street yard restrictions. With the approval of the Zoning Administrator, the required street yards may be decreased in any residential, business or manufacturing district to the average of the existing street yards of the abutting structures on each side, but in no case less than 20 feet in the residential districts.
   (C)   Corner lots. Structures shall provide a street yard as required by this chapter on the street that the structure faces. A second street yard shall be provided on the side of the structure abutting a second public or private street. Front, side and rear yards can be street yards. See also LOT, CORNER and SETBACK; STREET YARDin § 155.02 and division (B) above.
   (D)   Lots abutting different grades.  Where a lot abuts on two or more streets or alleys having different average established grades, the grade of the frontage of the principal use shall control only for a depth of 120 feet from the line of the higher average established grade.
   (E)   Buildings on through lots.  The requirements for a rear yard for buildings on through lots and extending from street to street may be waived by furnishing an equivalent open space on the same lot in lieu of the required rear yard provided that the setback requirement on both streets be complied with.
   (F)   Accessory buildings. Accessory buildings shall not extend into a side yard of the principal building or into the side yard extended of a corner lot.
   (G)   Unobstructed yards.  Every part of a required yard shall be open to the sky unobstructed except for accessory buildings in a rear yard, and the ordinary projections of sills, belt courses, cornices and ornamental features projecting not more than two feet.
(Ord. 03-2016, passed 7-14-2016)