(b) When principal industrial, transportation, utility or automotive uses carried on out-of-doors, such as scrap processing, automotive sales lots, truck terminals, electric transformer stations and storage yards, abut a residential or institutional district or uses otherwise specified in this Zoning Ordinance, a buffer yard shall be provided in accordance with the following standards.
(1) Buffer yards shall be not less than five feet in width.
(2) All buffer yards shall include a fence or a dense screen planting of trees, shrubs or other plant materials along the full length of the lot line to serve as a barrier to visibility, airborne particles, glare and noise.
(3) Plant materials used in the screen planting shall be of such species and size as will produce, within three years, a complete visual screen at least six feet in height.
(4) A fence, when erected as a screen, shall be not less than six feet in height, unless otherwise specified.
(5) Screen planting shall be permanently maintained, and any plant material which does not live shall be replaced.
(Ord. 5745, approved 4-16-1998)