Unless otherwise provided by law or in this chapter, no building
or structure shall be erected, constructed, reconstructed, altered,
razed or removed, and no building, structure or land shall be used
or occupied, except for the purposes permitted herein and in accordance
with this chapter.
The provisions of the ordinance, so far as they are the same
as those of ordinances in force immediately prior to the enactment
of this chapter, are intended as a continuation of such ordinances.
The provisions of the ordinance shall not affect any act done or liability
incurred nor shall they affect any suit or prosecution pending or
to be instituted to enforce any right or penalty or to punish any
offense under the authority of any ordinance repealed by the ordinance.