The imposition of penalties for violation of this article shall not preclude the city from instituting an appropriate action or proceeding to prevent an unlawful erection, construction, reconstruction, alteration, repair, conversion, maintenance or use, or to restrain, correct or abate a violation, or to prevent the occupancy of a building, structure or premises, or to prevent an illegal act, conduct, business or use in or about any premises.
(Code 1977, § 70.100(5))