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combination of trees and shrubs shall meet or exceed the minimum required <br /> canopy cover square footage. <br /> c. The minimum canopy cover required shall be calculated as follows: <br /> 1. Determine ratio of impervious area (including stormwater ponds) to entire <br /> site. <br /> 2. Multiply the impervious area/site area ratio by the square footage of the <br /> pervious area to calculate the required canopy cover square footage for the <br /> project area. <br /> 3. The following formula shall be utilized to determine the average canopy <br /> cover of a species: [(Minimum + Maximum Spread) - 4]2 X x (0.65 for <br /> preferred species or 0.50 for acceptable species, as identified in the Ramsey <br /> Tree Book). <br /> d. Minimum size of plantings. Required trees and shrubs shall meet or exceed the <br /> following size standards: <br /> Plant Type Size <br /> Deciduous Tree 1 inch caliper <br /> Coniferous Tree 5 feet in height <br /> Ornamental Tree 1 inch caliper <br /> Deciduous Shrub 2 feet in height <br /> Evergreen 2 feet in height or width, based on growth characteristics <br /> (7) Planting Requirements for Business and Employment Districts (B-1, B-2, B-3, <br /> Neighborhood Business, H-1, E-1, E-2, and E-3). <br /> a. Business Districts (B-1, B-2, B-3, Neighborhood Business, and H-1). The <br /> minimum number of trees required are outlined in the table below. These are <br /> minimum requirements and can be supplemented with other plantings, as well <br /> as flowers and various ground covers that would be appropriate to produce a <br /> complete and quality landscape. <br /> Planting Type Required Numbers <br /> Deciduous/coniferous trees 1 tree per 50 lineal feet of site perimeter, or 1 <br /> tree per 1,000 square feet of building footprint, <br /> whichever is greater. For building expansions, <br /> 1 additional tree is required for each 1,000 <br /> square feet of new building footprint area. <br /> Shrubs 1 shrub per 30 lineal feet of site perimeter or 1 <br /> shrub per 300 square feet of building footprint <br /> area, whichever is greater. <br /> b. Employment Districts (E-1, E-2,and E-3). The minimum number of plantings <br /> required shall be determined based on canopy cover. To fulfill the planting <br /> requirements, a combination of trees and shrubs shall meet or exceed the <br /> minimum required canopy cover square footage. The minimum canopy cover <br /> required shall be as follows: <br /> 1. Determine ratio of impervious area(including stormwater ponds below the <br /> 100 year flood elevation) to entire site. <br />