In the R-3 zone:
A. All open parking spaces, when adjacent to a public right of way, shall be screened from public view by three foot (3') high decorative masonry walls.
B. All covered parking spaces shall have solid walls, extending from the ground to roof along the end adjacent to a public right of way, and shall be fully enclosed on all sides with walls and doors for at least the first seventy five feet (75') of lot depth. In addition, entryways to covered parking spaces that are viewable from a public right of way shall be enclosed by doors.
C. Structures having roofs and exterior walls comprised of sheet metal shall not be located closer than one hundred feet (100') from any dedicated street, and shall not be viewable from any public right of way. (Ord. 1000 § 20.20(N), 1955)