Where required, earth berms or landscaped berms shall conform to the following standards:
(A) The berm shall be at least 3 feet above the grade elevation, and shall be constructed with slopes no steeper than 1 foot vertical for each 4 feet horizontal with at least a 2-foot flat area on the top. For the purposes of this provision, grade elevation shall be the ground elevation at the property line adjacent to the proposed berm;
(B) The berm area shall be planted with grass or other suitable ground cover to ensure that it withstands wind and weather and retains its height and shape;
(C) A minimum of 1 deciduous or evergreen tree shall be planted for each 30 linear feet or portion of required berm;
(D) Eight shrubs per tree may be planted as substitute for trees required in division (C) above;
(E) Required trees and shrubs may be planted at uniform intervals, at random, or in groupings; and
(F) For the purpose of determining required plant material, required berm length shall be measured along the length of the berm.
(Ord. 99, passed 11-18-1996, § 21.05)