Uses of land, buildings, or structures, erected, altered, razed, or converted in violation of any provisions of this chapter are hereby declared to be nuisances per se. The court having jurisdiction shall order such nuisance abated, and the owner and/or agent in charge shall be adjudged guilty of maintaining a nuisance per se. Any person, persons, firm or corporation, or any other acting on behalf of said person, persons, firm or corporation, violating or failing to comply with any of the provisions of this chapter, or any of the regulations adopted in pursuance hereof, or who shall hamper, impede or interfere with the performance of the duties of the official or agent of the City of Royal Oak or other officer under the provisions of this chapter, shall be guilty of a municipal civil infraction, and upon being found responsible therefor, shall be punished by a fine not exceeding $250 for the first offense and $500 for a subsequent violation following the first offense. Each act of violation and every day upon which such violation shall occur shall constitute a separate offense.