Whenever the use of a substructure is abandoned, except the abandonment of a service line designed to serve a single property owner, the person owning, using, controlling, or having an interest therein shall, within thirty days after such abandonment, file with the administrative authority a statement, in writing, giving in detail the location of the substructure so abandoned. If such abandoned substructure is in the way, or subsequently becomes in the way, of an installation of the city or any other public body, which installation is pursuant to a governmental function, the owner shall remove such abandoned substructure or pay the cost of its removal during the course of excavation for construction of the facility by the city or any other public body. (Ord. 106 §12, 1961).