This Article shall not affect any building or
buildings already erected and existing at the time of the adoption
hereof.
Any person violating any provision of this Article
may be punishable by a fine of not less than $50 nor more than $250
or imprisonment for a period not exceeding 15 days, or both.
ln addition to the penalties hereinbefore described,
the Common Council, whenever it has evidence that there exists or
is about to exist a violation of any of the provisions of this Article,
may, in its discretion, authorize the City Attorney to institute any
appropriate proceeding, at law or equity, to restrain, prevent or
discontinue such violation or to remove any building erected in violation
hereof.