No building or land shall hereafter be used
or occupied and no building or part thereof shall be erected, moved
or altered unless in conformity with and permitted by the regulations
herein specified for the district in which it is located.
No part of a yard or other open space required about
any building for the purpose of complying with the provisions of this
chapter shall be included as a part of a yard or other open space
similarly required for another building.
Lots containing a slope of 3 to 1 (three feet horizontal
to one foot vertical) or greater for a distance of 50% of their total
depth shall have a minimum of 25% total increase in lot depth than
is required by this chapter before a building permit is granted.
This chapter shall not apply to any existing or proposed
building or extension thereof used or to be used by public utility
corporations if, upon petition of the corporation, the Public Utility
Commission shall, after a public hearing, decide that the present
or proposed situation of the building in question is reasonably necessary
for the convenience or welfare of the public.