The following requirements shall apply to all development permitted by this chapter:
B. Landscaping shall be subject to the requirements of Chapter 17.61 of this code.
E. A solid masonry wall constructed at a minimum height of six feet from highest grade shall be required for multi-family development proposed where the rear or side property line separates a lot zoned R-1, R-2 of a single-family character, MH or a PUD project of a single-family character. Any wall located within or along the front yard area shall not exceed a height of four feet. This requirement shall not apply to any lot less than ten thousand square feet and, that is not part of, or adjacent to multi-family subdivisions or other multi-family projects that existed prior to the effective date of the ordinance codified in this section.