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6. Special planting instructions. <br />i. Planting details illustrating proposed locations of all new plant material, including proposed <br />walls, fences, planters, landscaped islands, and other landscaping -related improvements. <br />j. Details of restoration of disturbed areas, including areas to be sodded and seeded. <br />k. Location of existing wetlands. <br />Minimum requirements. All open areas of a lot which are not used and improved for required <br />parking areas, drives or storage shall be landscaped with a combination of overstory trees, <br />ornamental trees, coniferous trees, shrubs, flowers, and turf or ground cover materials. The <br />number of trees on the lot, tract, or parcel shall not be less than three plus the perimeter of the <br />described area as measured in feet divided by 40. <br />a. Overstory trees. Fifty percent of the required trees shall be overstory trees. <br />b. Ornamental trees. Twenty-five percent of the required trees shall be ornamental trees. <br />c. Coniferous trees. Twenty-five percent of the required trees shall be coniferous trees. <br />d. Additional landscaping. In order to accomplish an adequate buffer or screening, additional <br />landscaping over and above the required amount may be required by the city. <br />e. Credits. <br />1. For oversizing trees. The total number of required overstory trees may be reduced by <br />one tree for each new deciduous tree measuring four and one-half inches or more in <br />diameter, or each new coniferous tree measuring ten feet or more in height, which is <br />planted on the lot or tract. <br />2. For existing trees . The total number of required new trees may be offset by the <br />retention of existing trees on the lot provided that such trees satisfy the requirements <br />of this section as to size and species. The existing tree credit chart shall be used to <br />determine the amount of credit for existing trees. Existing trees closer than 15 feet <br />together shall be considered one tree and the largest diameter tree will be utilized to <br />calculate the tree credit. The diameter of and distance between trees shall be <br />measured six inches above the ground. <br />Existing Tree Credit Chart <br />Deciduous Tree Diameter Deciduous Tree Credit <br />2" to < 4 1/2" One (1) <br />4 1/2" to < 8" Two (2) <br />8" or more Three (3) <br />Coniferous Tree Height Coniferous Tree Credit <br />6' to < 10' One (1) <br />10' to < 15' Two (2) <br />