Walls shall be provided and maintained between different zoning districts as follows:
A. Where a nonresidential or multi-family zoning district abuts a residential zoning district, a solid masonry wall C feet in height shall be constructed on the zone boundary line. Walls may be constructed higher than six feet if the viewshed is not impeded subject to the approval of the director;
B. Where a BP or IG zoning district abuts another zoning district, a solid masonry wall six feet in height shall be constructed on the zone boundary line;
C. Walls shall be of solid masonry construction and shall be of a decorative design when in view of public rights-of-way subject to approval of the director; and
D. The director may waive or modify requirements for walls between different zoning districts where a solid masonry wall already exists on the contiguous property if the following findings can be made:
1. The existing wall meets or can be modified to conform to the intent of this chapter;
2. Suitable landscaping can be installed adjacent to the existing wall to supplement and enhance the de-sired physical separation;
3. The existing wall can be protected to prevent vehicle damage, if necessary; and
4. Concurrence of the adjacent property owner can be obtained, to modify the existing wall to meet the requirements of this chapter.
(Ord. 182 § 2 (part), 1997)