In case any building, structure, or sign is erected, constructed, reconstructed, altered, repaired, converted or maintained, or any building structure, sign, or land is used in violation of this chapter, the City Attorney, in addition to other remedies, shall institute any proper action or proceedings in the name of the City to prevent such unlawful erection, construction, reconstruction, alteration, repair, conversion, maintenance or use, to restrain, correct or abate such violation, to prevent the occupancy of the building, structure or land, or to prevent any illegal act, conduct business or use in or about the premises.