Except as otherwise provided by this section, walls shall be provided for ancillary parking facilities in accordance with section 10-3-2730.2 of this chapter and the following:
A. Walls located in the R-4-P zone shall not exceed a height of three feet (3') if such wall is located in any required setback along a public street.
B. Walls not governed by the provisions of subsection A of this section or by the provisions of section 10-3-2730.2 of this chapter shall not exceed a height of seven feet (7').
C. As part of a planned development pursuant to article 18.4 of this chapter, the planning commission may approve minimum wall heights that are lower than those set forth in subsection 10-3-2730.2B of this chapter, but not lower than four feet (4'). (Ord. 91-O-2127, eff. 11-8-1991; amd. Ord. 92-O-2150, eff. 9-11-1992)