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R-2 and R-3 Residential District-3.5.04 Draft <br /> <br />f. Lot Landscaping. <br /> <br /> 1. Minimum Landscaping Requirements. All open space <br /> areas of a lot wkich are not used or improved for required <br /> parking areas, drives or storage shall be landscaped with a <br /> combination of overstory trees, ornamental trees, shrubs, <br /> flowers, ground cover, decorative walks, or other similar <br /> site design materials in a quantity and placement suitable <br /> for the lot. A reasonable attempt should be made to <br /> preserve as many e,,dsting trees as practicable in order to <br /> incorporate the trees into the development. Far each <br /> <br /> 2 Number ,.rot.,.+; .....mr ..... ;..; ........... ~. .... ,' ........ + ..... <br /> ......... , ..... : ..... ~.., ~.,.mt k~ ~o The~'~ are <br /> <br /> 'la-nd ..... <br /> scape ............. o <br /> <br />2. Minimum Plantintz Requirements. The minimum number <br /> <br />,o.~'~ plantings required shall be determined based on crown <br /> <br />or canopy cover. To fulfill, t.lae plantina requirements, a <br />combination of trees and shrubs shall meet or exceed the <br /> <br />minimum required canopy cover square footage. The <br />minimum canopy cover shall be calculated as fbllows: <br /> <br />(a) Determine ratio of impervious area to entire site <br />area. <br /> <br />(b') Mutiplv the impervious area/site area ratio by the <br /> <br />square ~botaae of the pervious area to calculate the required <br />canopy cover square footage for the proiect area. <br /> <br />(c) The tbllowing fonrmla shall be utilized to determine <br />the averaae canopy cover of a species: <br /> <br />[(MSnim.um + Maxinmm Spread') + 4]2 x E x (0.8 for <br />preferred species or 0.65 for acceptable species, as <br />identified in the Ramsev Tree Book). <br /> <br />87 <br /> <br /> <br />