Except within an area defined as an airport
approach zone by the Federal Aviation Administration or other government
agency, the height regulations as prescribed in this chapter shall
not apply to the following:
I. Noncommercial grain elevators.
J. Ornamental towers and spires.
L. Radio and television antennas.
N. Water towers and standpipes.
O. Windmills (excluding small wind energy systems; see §
175-84.).
Public or semipublic service buildings, hospitals,
institutions, schools, churches and temples may be erected to a height
not exceeding 75 feet when the required side and rear yards are each
increased by at least one foot for every foot of additional building
height above the height regulations for the zoning district in which
the building is located.