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1. Exception:The requirements in this subsection shall be • <br /> applied in addition to the preceding general landscaping <br /> requirements,except that they shall not apply to Low <br /> Density Residential or Park and Recreation Districts. <br /> 2. Acceptable Screening: Screening requirements of this <br /> Title shall be satisfied through the use of buildings, <br /> berms,solid board-on-board fences,walls,planting <br /> screens,evergreen trees,hedges,or some combination <br /> thereof.If the topography,existing vegetation,permanent <br /> structure,or other feature creates a barrier which <br /> achieves the standards of this section,they may be <br /> substituted. <br /> a. Screen Fences and Walls:Any screen fence or <br /> wall shall be constructed of attractive,permanent <br /> finished materials,compatible with those used in the <br /> construction of the principal structure.Such screens <br /> shall be at least 6 feet in height and shall be 100% <br /> opaque. <br /> b. Planted Screening:Any planting screens shall consist <br /> of healthy plants,shall be at least 6 feet in height, <br /> and shall be designed to provide a minimum year <br /> round opacity of 80%at the time of installation. <br /> c. Notwithstanding these requirements,screening <br /> along street rights-of-way shall be maintained at a • <br /> height not less than 3 feet nor more than 4 feet. <br /> 3. Maintenance:Screen fences and walls which are in <br /> disrepair shall be promptly repaired.Planted screens <br /> shall be maintained according to the normal landscape <br /> maintenance requirement of Section 1011.03A8 <br /> C. Parking Lot Landscape:Off street parking lots with more <br /> than 25 parking stalls shall contain interior landscaped <br /> islands.Such islands shall be bounded by a raised concrete <br /> curb or approved equivalent and shall contain mulch to retain <br /> soil moisture.Turf grass is permitted within landscaped areas <br /> located around the periphery of a parking lot. <br /> 1. Islands are required at the end of each row of cars, <br /> where it abuts vehicle circulation aisles or driveways,or <br /> every 15 stalls,whichever is less. <br /> 2. Islands shall be provided to separate pedestrian and <br /> vehicular traffic. <br /> 3. All islands shall contain a minimum of 160 square feet <br /> and a minimum dimension shall be 5 feet. <br /> 4. At least 1 canopy tree shall be provided in each island, <br /> in addition to assorted shrubs,perennials,to assorted <br /> ornamental grass. <br /> 5. Islands shall be prepared with clean soil to a depth <br /> of 5 feet and amended to ensure adequate drainage • <br />