In applying and interpreting the provisions of this chapter,
they shall be held to be minimum requirements adopted for the promotion
of the public health, safety, morals, comfort, convenience and general
welfare. The following specific regulations shall apply:
A.
A minimum required lot or yard size for one building or structure
shall not be used as any part of a required lot or yard for a second
structure.
B.
The required lot or yard for an existing building or structure shall
not be diminished below the minimum requirements of this chapter.
C.
The parking spaces required for one building or structure or use
shall not be included in the computation of required parking spaces
for a second building or structure or use.