Any tree growing or standing upon public property or private property, or partially upon public property and partially upon private property in such manner that any portion thereof interferes with poles, lines, wires or electroliers (or the light emitted by such electroliers) lawfully erected, constructed or maintained, along any public street or sidewalk of the city of Pinole or interferes with the visibility of such streets, sidewalks or intersection thereof by any person or persons using the same lawfully, or any such tree which has become diseased or weakened in such manner as to be dangerous to persons lawfully using the streets or sidewalks of the city of Pinole, is a nuisance and the superintendent of streets is authorized to abate such nuisance or cause the same to be abated by trimming, cutting or removing all or such portions of such tree as may be necessary to eliminate such interference, obstruction or condition. (Ord. 99 § 5, 1956).