A. Height Exceptions: The building height limitations stipulated in the applicable zoning districts shall not apply to the following, provided that no such structure would be an obstruction to air navigation as established in federal aviation regulations:
Accessory antennas may be erected to a height not exceeding fifty feet (50') above ground level;
Air conditioning units;
Chimneys;
Church steeples;
Communication towers;
Cupolas;
Elevator towers;
Grain elevators;
Obelisks and similar monuments;
Parapet walls;
Schools, public buildings and places of worship may be erected to a height not exceeding eighty five feet (85') in any district provided that front and rear yards are increased in width by one foot (1') for each foot of height that the building exceeds the height limit of the district in which it is located;
Silos;
Smokestacks;
Utility transmission towers;
Windmills; and
Similar structures and mechanical appurtenances.
B. Height Limitations: In addition to the height limitations specified in each zoning district, no structure shall be erected to a height that would encroach into or through any established public or private airport approach plan, prepared in accordance with the criteria established by the federal aviation administration. (Ord. 6734, 6-11-2003)