Where uncertainty exists as to the boundaries of districts as
shown on the Official Zoning District Map, the following rules shall
apply:
A. Boundaries indicated as appearing to follow the center lines of streets,
highways or alleys shall be construed to follow such center lines;
B. Boundaries indicated as appearing to follow platted lot lines shall
be construed as following such lot lines;
C. Boundaries indicated as appearing to follow municipal limits shall
be construed as following municipal limits;
D. Boundaries indicated as following railroad lines shall be construed
to be midway between the main tracks;
E. Boundaries indicated as approximately following the center lines
of streams, rivers or other bodies of water shall be construed to
follow center lines, and in the event of change in the location of
streams, rivers and other bodies of water, shall be construed as moving
with the actual body of water and following the center line;
F. Distances not specifically indicated on the Official Zoning Map shall
be determined by the scale of the map.
The following regulations shall apply in all zoning districts:
A. Any use not specifically listed in the authorized uses for a zoning district shall not be permitted in that zoning district, unless such use is authorized by the Zoning Hearing Board as a use by special exception. The authority for the Zoning Hearing Board to grant approval of a use that is not specifically listed in the authorized uses for a zoning district shall be limited to the R-R and B-1 Districts where "comparable uses not specifically listed" is included in the list of uses by special exception in the zoning district subject to the applicable express standards and criteria specified in §
320-69M of this chapter.
B. Accessory uses or structures that are customarily accessory to principal
structures or uses that are authorized as conditional uses or uses
by special exception shall be permitted as accessory uses by right.
C. In all zoning districts, single-family dwellings shall be the only
principal structure on a lot.
D. In all zoning districts where authorized by this chapter, two or
more nonresidential buildings may occupy the same lot, and two or
more authorized nonresidential uses may occupy the same building,
provided, in all cases, that all applicable requirements for each
of the structures or uses can be met on the lot.
E. In all zoning districts, all accessory structures shall be located
on the same lot with the principal structure to which they are accessory.