4.2 PCSR 02-14-2012 - Laserfiche WebLink

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e. Minimum size and root condition of trees. Il2iiumum size and root condition of required trees shall be as follows: 1. Overstorv trees shall be two inches in diameter as measured six inches above the ground, and trees must be balled and burlapped. 2. Ornamental trees shall be 11/z inches in diameter as measured six inches above the ground, and trees must be balled and burlapped. Coniferous trees shall be six feet in height, and trees must be balled and burlapped. £ Species. ~ll required trees shall be of species which are classified as overstory, ornamental, and coniferous trees by the ~rnerican Nurseryman's association. 2. Not more than 50 percent of the required number of overstory or ornamental trees shall be composed of one species. 3. ~ll plant materials shall be indigenous to the hardiness zone of the area in which the city is located. The use of drought tolerant plant materials are encouraged to meet landscaping requirements. g. Credits 1. for oversizing required trees. The total number of required overstory trees may be reduced by one tree for each new deciduous tree measuring 4'/2 inches or more in diameter, or each new coniferous tree measuring ten feet or more in height, which is planted on the lot or tract In no event, however, shall this credit result in a reduction in the total number of required trees by more than 25 percent. Deleted• h ~__._ or existin trees. The total number of re aired new trees ma ~ be offset b ~ the retention -'" - - - g - --- -- - - -- - -- q- -- - - - - -- -- -- --- -~ -- - ---- - 3 --- - - ------ - - -- Deleted: Credzc of existing trees on the lot provided that such trees satisfy the requirements of this section as to size and species. A sliding scale shall be used to determine the amount of credit for existing trees. Existing trees between four inches in diameter and less than eight inches in diameter will receive credit for one tree. Existing trees eight inches in diameter or greater will receive credit for two trees. Credit cannot exceed 50 percent of the total requirement. 3 Credit for decorative gardens native plant communities. The total number of required trees may be offset bathe provision of native grasses and wildflowers. Planting or preservation of native~lanting communities will receive credit for one tree per 500 feet of native grass area. Credits ma,' not exceed 50°'0 of the total requirements.