Agenda - Environmental Policy Board - 02/22/2021

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R-1 Residential (MUSA) Overstory Deciduous 2 trees per dwelling, planted in 1 inch caliper deciduous - SF Detached Homes and/or Coniferous trees the boulevard (or front yard 5 foot height conifer depending on available space) R-1 Rural Developing Overstory Deciduous 2 trees per dwelling, planted in 1 inch caliper deciduous and/or Coniferous trees the front yard 5 foot height conifer a. In the R-1 Residential (MUSA) Villas sub-district, alternative planting locations, such as the backyard or common areas, will be considered if there is not sufficient space in the boulevard due to other improvements such as driveways, streetlights, hydrants, etc. (6) Planting Requirements for the R-2 Residential (Medium Density) and R-3 Residential (High Density) Districts. a. If the housing product is a detached style, the plantings shall consist of at least one (1) tree per 50 feet of street frontage, planted in the boulevard. 1. Alternative planting locations, such as the backyard or common areas, will be considered if there is not sufficient space in the boulevard due to other improvements such as driveway, streetlights, hydrants, etc. b. If the housing product is an attached style, the number of plantings shall be determined based on canopy cover. To fulfill the planting requirements, a combination of trees and shrubs shall meet or exceed the minimum required canopy cover square footage. c. The minimum canopy cover required shall be calculated as follows: 1. Determine ratio of impervious area (including stormwater ponds) to entire site. 2. Multiply the impervious area/site area ratio by the square footage of the pervious area to calculate the required canopy cover square footage for the project area. 3. The following formula shall be utilized to determine the average canopy 2 cover of a species: \[(Minimum + Maximum Spread) ÷ 4\] preferred species or 0.50 for acceptable species, as identified in the Ramsey Tree Book). d. Minimum size of plantings. Required trees and shrubs shall meet or exceed the following size standards: Plant Type Size Deciduous Tree 1 inch caliper Coniferous Tree 5 feet in height Ornamental Tree 1 inch caliper Deciduous Shrub 2 feet in height Evergreen 2 feet in height or width, based on growth characteristics (7) Planting Requirements for Business and Employment Districts (B-1, B-2, B-3, Neighborhood Business, H-1, E-1, E-2, and E-3). a. Business Districts (B-1, B-2, B-3, Neighborhood Business, and H-1). The minimum number of trees required are outlined in the table below. These are minimum requirements and can be supplemented with other plantings, as well as flowers and various ground covers that would be appropriate to produce a complete and quality landscape.