Whenever any person, firm or corporation fails, neglects or refuses to comply with any order of the Building Commissioner under the provisions of this Building Code, or whenever any building or other structure is used or occupied so as to be in violation of or not in conformity with any provision of this Building Code, the Commissioner may, in his discretion, institute and maintain in the name of the City an appropriate action at law or in equity to restrain the execution in violation of this Building Code, to prevent the occupation or use of such building or other structure and to prevent or terminate any violation of this Building Code.