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• <br /> 52 <br /> values are forty (40) feet for large trees and `~ <br /> twenty-five (25) feet for small trees. Each lot <br /> must have one _ U large tree per street frontage <br /> (value of 40 feet) . The number of trees to be <br /> planted on the m <br /> reaining frontage (total frontage <br /> less value for one large tree) is determined by <br /> dividing the remaining frontage by the value(s) <br /> assigned to tree types selected for planting by the <br /> developer. <br /> For example, where a Land Use Buffer is not <br /> required, the number of trees required on a lot <br /> having a frontage of 130 feet would be calculated <br /> as follows: <br /> TOTAL LOT FRONTAGE 130 feet <br /> LESS: VALUE OF REOUIRED LARGE TREE 40 feet <br /> EQUALS: REMAINING LOT FRONTAGE 90 feet <br /> OPTION #3.: ALL SMALL TREES <br /> 90 feet divided by 25 feet (value for small tree) = <br /> 3.6 or 4 trees. <br /> Total number of required trees = 4 small trees <br /> + 1 large tree <br /> OPTION #2: ALL LARGE TREES <br /> 90 feet divided by 40 feet (value for large tree) <br /> 2.3 or 2 trees. <br /> Total number of required trees = 3 large trees <br /> OPTION #3: COMBINATION/LARGE & SMALL TREES <br /> 90 feet - 40 feet (1 large tree) = 50 feet <br /> 50 feet divided by 25 feet = 2 small trees <br /> Total number of required trees = 2 large trees <br /> 2 small trees <br /> .a Upon installation, trees shall be spaced at least <br /> fifteen (15) feet apart, but preferably no greater . <br /> than the spread of the canopy, normally achieved by <br /> the tree species upon maturity. <br /> 421 Street trees shall be planted within the required <br /> front yard setback. Selection and location of <br /> trees shall consider existing and future site <br /> conditions including, but not limited to overhead <br /> and/or underground utility, lines, vehicular access <br /> drives, the location and extent of existing <br /> vegetation, and soil suitability. Selection of <br /> tree types shall be made from the list of <br /> acceptable plAnt materials provided in Tables 12. 1, <br /> 12.2, & 12.3. Other suitable alternates may be <br /> used if approved by the Planning Department. <br /> (b) Lot Perimeter <br /> 11,1 Where a Land Use Buffer is not required, a <br /> landscape area ten 110) feet in width exclusive of <br /> drainage and/or utility easements shall be provided <br />