Unless otherwise provided, the special uses for which conformance
to additional standards is required shall be deemed to be permitted
uses in their respective districts subject to the satisfaction of
the requirements and standards set forth herein, in addition to all
other requirements of this chapter. All such uses are hereby declared
to possess characteristics of such unique and special form that each
specific use shall be considered as an individual case.
A special use permit shall be deemed to authorize only one particular
special use and shall expire if the special use shall cease for more
than one year.