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1 combination of trees and shrubs shall meet or exceed the minimum required canopy <br /> 2 cover square footage. The minimum canopy cover required shall be as follows: <br /> 3 1. Determine ratio of impervious area (including stormwater ponds below the 100- <br /> 4 year flood elevation)to entire site. <br /> 5 2. Multiply the impervious area/site area ratio by the square footage of the <br /> 6 pervious area to calculate the required canopy cover square footage for the <br /> 7 project area. <br /> 8 3. The following formula shall be utilized to determine the average canopy cover <br /> 9 of a species: [(Minimum + Maximum Spread):41'x n x (0.65 for preferred <br /> 10 species or 0.50 for acceptable species, as identified in the Ramsey Tree Book). <br /> 11 " Due to the unique nature of the COR district,flexibility with the minimum <br /> 12 planting standards may be approved if space is a limiting factor. <br /> 1311 ninini�thin following <br /> 14 size st . <br /> Size <br /> Deciduous Trnn 75 i r,ich r--41 i ran r <br /> rnnlfe-Fe w s Trnn fnn+I%_1%_1 U aI In 4,nI%_1 irtl4 <br /> rl r r►a M.Ie-r►+-►1 m�I Ii�n rrtnpx Trnn <br /> rnr�ifnrn��e- C4,ri�4, <br /> T7-Grl� , <br /> 15 <br /> 16 C. Road frontage plantings. For every 35 feet of public road frontage, one overstory tree <br /> 17 shall be planted adjacent to the road right-of-way on private property.These plantings <br /> 18 are credited toward the minimum planting requirements for the district. <br /> 19 d. Parking lot landscaping. All parking lots are required to provide internal and/or <br /> 20 adjacent overstory tree plantings in an effort to shade parking surfaces and provide <br /> 21 visual relief. The planting schedule is established to provide an acceptable number of <br /> 22 plantings that may be planted in regular symmetrical patterns or irregular clusters or <br /> 23 groupings. Plantings are required at the following minimum schedule and are credited <br /> 24 toward the minimum planting requirements for the district: <br /> 25 1. 1 tree per every ten parking spaces. <br /> 26 2. Every overstory tree planting shall be provided with a planting area of at least <br /> 27 162 square feet (equivalent of a 9 foot x 18 foot parking stall). <br /> 28 3. Acceptable ground cover materials include sod, mulch, and other natural <br /> 29 ground cover. Landscaping rock and plastic underlayment is prohibited in <br /> 30 planting islands. <br /> 31 e. Bufferyards. Bufferyards help to achieve screening between differing uses with varied <br /> 32 intensities and impacts that are not always complementary when adjacent to one <br /> 33 another. When a bufferyard is required,the yard space and planting requirements are <br /> 34 not to be reduced for other purposes such as future parking and driveways, building <br /> 35 expansions, or other activities that are not in keeping with the purposes of buffering <br /> 36 and screening. <br /> 37 1. Bufferyards are intended to provide additional screening of businesses that are <br /> 38 adjacent to residential areas.The following table details the width of the <br /> 39 bufferyard along the common adjacent property line. An additional increase of <br /> 40 landscape plantings is required in the bufferyard.The table below outlines the <br /> 41 minimum required additional plantings, expressed as a percentage of the total <br /> Page 87 of 160 <br />