Agenda - Planning Commission - 02/16/2023 - Special

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I and not identified on the city's list of prohibited trees, one overstory tree, or the equivalent 2 canopy square footage, can be deducted from the minimum planting requirements. 3 (4) Planting types. Acceptable planting types shall be determined by the Ramsey Tree Book. The 4 complement of trees fulfilling the landscaping requirements shall not be less than 25 percent 5 deciduous and not less than 25 percent coniferous. Not more than 25 percent of the required 6 plantings shall consist of ornamental or understory trees. Projects should attempt to limit the 7 planting of any one genus to no more than 20 percent of the total plantings. 8 (5) Planting requirements for the R1A, R1B, RX, and RR districts. Zoning District Planting Type Minimum Number Size Required R1A, RIB Overstory Deciduous 2 trees per dwelling, 1 inch caliper- and/or Coniferous planted in the boulevard deciduous trees (or front yard depending 5 foot height-conifer on available space) R1C Overstory Deciduous 1 tree per 50 feet of 1 inch caliper — and/^r(;9RifeF9WS frontage, planted in the deciduous #Fees boulevard 5 foot height — conifer RR Overstory Deciduous 2 trees per dwelling, 1 inch caliper- and/or Coniferous planted in the front yard deciduous trees 5 foot height — conifer 9 10 a. In the R1C district alternative planting locations, such as the backyard or common areas, will 11 be considered if there is not sufficient space in the boulevard due to other improvements 12 such as driveways, streetlights, hydrants, etc. 13 (6) Planting requirements for the R2 and R3 Districts. 14 a. If the housing product is a detached style, the plantings shall consist of at least one tree per 15 50 feet of street frontage, planted in the boulevard. 16 1. Alternative planting locations, such as the backyard or common areas, will be considered 17 if there is not sufficient space in the boulevard due to other improvements such as 18 driveway, streetlights, hydrants, etc. 19 b. If the housing product is an attached style,the number of plantings shall be determined based 20 on canopy cover. To fulfill the planting requirements, a combination of trees and shrubs shall 21 meet or exceed the minimum required canopy cover square footage. 22 c. The minimum canopy cover required shall be calculated as follows: 23 1. Determine ratio of impervious area (including stormwater ponds)to entire site. 24 2. Multiply the impervious area/site area ratio by the square footage of the pervious area 25 to calculate the required canopy cover square footage for the project area. 26 3. The following formula shall be utilized to determine the average canopy cover of 27 species: [(Minimum + maximum spread)-4]z x n x (0.65 for preferred species or 0.50 for 28 acceptable species, as identified in the Ramsey Tree Book). 29 d. Minimum size of plantings. Required trees and shrubs shall meet or exceed the following size 30 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 31 15