A. Required: Whenever a nonresidential use of off street parking area abuts a residential use, the nonresidential use must not be less than forty feet (40') from such property. The use shall be effectively screened at the property line on all sides which adjoin or face the residential district or institutional use by an acceptable designed, sight obscuring wall, fence or planting screen.
B. Specifications: Such fence, wall or planting screen shall be not less than four feet (4') nor more than six feet (6') in height and shall be maintained in good condition.
C. Off Street Parking: When off street parking is provided within the forty foot (40') buffer area, the screen shall be five feet (5') from the property line as required in subsection 13-4-5C of this chapter.
D. Exception: In the event that terrain or other natural features are such that the erection of such fence, wall or planting screen will not serve the intended purpose, then no such wall, fence or planting screen shall be required. (1975 Code § 17.12.060)