Height modification

A. Roof structures permitted above maximum height.
- (1) The following roof structures are permitted above the maximum height as specified in the preceding tables, provided that the total area of all such structures is not more than 1/3 of the total roof area:
  - (a) Fire or parapet walls.
  - (b) Steeples.
  - (c) Structures for housing elevators and elevator shafts.
  - (d) Stairways.
  - (e) Skylights.
  - (f) Roof-mounted flagpoles, but shall not be more than 15 feet above the highest point on the roof.
- (2) The following roof structures are permitted above the maximum height as specified in the preceding tables, provided that the total area of all such structures is not more than 1/3 of the total roof area, and that such structures shall be set back from the edge of the roof a minimum of one foot for every foot by which they extend above the roof:
  - (a) Heating and air-conditioning equipment.
  - (b) Ventilating fans.
  - (c) Chimneys or roof-mounted smokestacks, but shall not be more than 40 feet above the highest point on the roof.
  - (d) Solar collectors.
  - (e) Storage tanks for water.
  - (f) Residential use of television, radio or satellite dish antennas less than 1,200 square inches or masts, but shall not be more than 15 feet above the highest point on the roof.
  - (g) Other similar equipment required to operate and maintain a building.
B. Height restrictions for freestanding structures other than buildings.
- (1) Silos for agricultural uses shall not exceed 75 feet in height. This height limit applies to both attached and freestanding silos.
- (2) Freestanding flagpoles shall not exceed the height of any existing permitted principal building on the lot by more than 15 feet.
- (3) Freestanding smokestacks.
  - (a) Are not permitted in residential or commercial recreation zones;
  - (b) Are not permitted on vacant lots;
  - (c) In BL, ML and MG Zones, shall not exceed a height of 40 feet over any permitted principal building on the lot.
- (4) Freestanding television antennas, radio antennas, masts, satellite dishes and similar structures for residential use shall not exceed the height of any existing permitted principal building on the lot by more than 15 feet.
- (5) Lights used to illuminate parking areas shall not exceed a mounting height of more than 20 feet in all districts.
- (6) Freestanding telecommunications towers shall not exceed 150 feet.
- (7) Where telecommunications antennas or related equipment intended for the receiving or transmitting of commercial telecommunication signals is attached to an existing structure, such facilities shall be exempt from the height limitations of this chapter, provided that such antennas or related equipment:
  - (a) Are not higher than 15 feet above the highest point of the structure;
  - (b) Comply with all applicable Federal Communications Commission and Federal Aviation Administration regulations; and
  - (c) Comply with all building codes and other applicable requirements.