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1 b. If the housing product is an attached style, the number of plantings shall be determined based <br />2 on canopy cover. To fulfill the planting requirements, a combination of trees and shrubs shall <br />3 meet or exceed the minimum required canopy cover square footage. <br />4 c. The minimum canopy cover required shall be calculated as follows: <br />5 1. Determine ratio of impervious area (including stormwater ponds) to entire site. <br />6 2. Multiply the impervious area/site area ratio by the square footage of the pervious area to <br />7 calculate the required canopy cover square footage for the project area. <br />8 3. The following formula shall be utilized to determine the average canopy cover of a species: <br />9 [(Minimum + maximum spread) ± 4]2 x x (0.65 for preferred species or 0.50 for <br />10 acceptable species, as identified in the Ramsey Tree Book). <br />11 d. Minimum size of plantings. Required trees and shrubs shall meet or exceed the following size <br />12 standards: <br />Plant Type <br />Size <br />Deciduous Tree <br />1 inch caliper <br />Coniferous Tree <br />5 feet in height <br />Ornamental Tree <br />1 inch caliper <br />Deciduous Shrub <br />2 feet in height <br />Evergreen <br />2 feet in height or width, based on growth characteristics <br />13 <br />14 471-474 Reserved. <br />15 <br />16 475 Screening <br />17 (1) Rooftop HVAC and other mechanical units must be screened from views from the property <br />18 lines using the following means: <br />19 a. Proper placement on the roof. <br />20 b. An integrated screen panel that is architecturally compatible with the building. <br />21 c. Parapet heights sufficient for screening the views. <br />22 (2) Ground -mounted HVAC and other mechanical units for all structures other than single-family, <br />23 two-family, and townhomes must be screened from views from the property lines using the <br />24 following means: <br />25 a. Privacy fencing <br />26 b. An integrated screen panel that is architecturally compatible with the building. <br />27 c. Landscaped bells. <br />28 (3) Density/Use Buffering and Transitioning. Within the additional lot depth/width area described <br />29 in Section 430, the following options are required when different residential uses abut each <br />30 other or residential uses abut an existing or planned non-residential use. <br />31 a. A continuous six-foot privacy fence with 2-inch caliper overstory trees planted every 20 <br />32 feet, roughly evenly spaced. <br />33 b. A vegetative buffer containing four 2-inch caliper overstory, four 6-foot evergreen, and <br />34 four 1.5-inch understory trees planted per 100 feet of property boundary on both sides of <br />35 a beini with a maximum slope of 4:1. <br />36 c. If this area is used for stoini water management, both sides of the basin shall be lined <br />37 with 2-inch caliper overstory trees at the rate of one tree per 20 feet, roughly evenly <br />38 spaced and large shrubs at the rate of one per three feet. The side of the basin closest to <br />39 a non-residential use shall add one 6-foot evergreen tree per 40 feet, roughly evenly <br />40 spaced. <br />41 d. Other options may be approved by the City Council based on site and adjacent site <br />42 conditions and existing vegetation. <br />43 <br />44 476-479 Reserved. <br />45 <br />Attachment A — Ordinance #23-14 <br />Page 60 of 141 <br />