For the purposes of this Article, the following words and phrases shall have the meanings respectively ascribed to them by this Section:
Director of Engineering & Maintenance. The duly appointed Director of Engineering and Maintenance, any person appointed by the City Manager to act in said position, and any person appointed by the Director of Engineering and Maintenance to act in his or her behalf.
Encroachment. Any structure or object of any kind or character placed, without authority of law, either on , in, over or under any street, alley, sidewalk, right-of-way, public place, property owned by the City, or property dedicated to the public use or benefit.