A. Berms shall have a minimum height of three (3) feet and maximum height of six (6) feet above grade. The crest shall gently curve with a level crown at least two (2) feet wide.
B. Berms shall be constructed so as to maintain a side slope not to exceed a one (1) foot rise to a three (3) foot run ratio. When topography or other site conditions prevent construction of berms at this ratio, the reviewing authority may permit retaining walls or terracing. If a berm is constructed with a retaining wall or by terracing, the earthen slope shall face the exterior of the site.
C. Berms shall be designed to vary in height and shape to create a more natural appearance. Berm areas not containing planting beds shall be covered with grass or other living ground cover maintained in a healthy condition.
D. Required plant material shall be placed on the top and side slope facing the adjacent property.
(Ord. 2017-32. Passed 5-2-17.)