06-09-2003 Council Packet - Laserfiche WebLink

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§10.45 In instances where healthy plant materials of acceptable species exist on a site prior to its development, the application of the standards in this section may be adjusted by the City to allow credit for such material, provided that such adjustment is consistent with the intent of this ordinance. b) A reasonable attempt shall be made to preserve as many existing trees as is practicable and to incorporate them into the site plan. c) All new overstory trees shall be balled and burlapped or moved from the growing site by tree spade. Deciduous trees shall have a minimum caliper of 2'/2 inches. Coniferous trees shall be a minimum of six feet in height. Ornamental trees shall have a minimum caliper of 1 Vi inches. d) All site areas not covered by buildings, sidewalks, parking lots, driveways, patios, or similar hardsurface materials shall be covered with sod or an equivalent ground cover approved by the city. This requirement shall not apply to site areas retained in a natural state. e) In order to provide for adequate maintenance of landscaped areas, an underground sprinkler system shall be provided as part of each new development, except one and two family dwellings and additions to existing structures which do not at least equal the floor area of the existing structure. A sprinkler system shall be provided for all landsciq)ed areas except areas to be preserved in a natural state. 0 Not more than SO percent of the required number of trees shall be composed of one species. The City shall maintain a list of prohibited species which shall not be used for landscaping. 3. Interior Parking Lot Landscaping. a) All parking lots containing over 1 50 stalls shall be designed to incorporate unpaved, landscaped islands in number and dimension as required by the City. All landscape islands shall contain a minimum of 180 square feet. Islands which are necessary to promote the safe and efficient flow oftrafllc shall not be subject to the 50 stall" standard and shall be required by the city when warranted. b) Parking lot landscape areas, including landscape islands, shall be reasonably distributed throughout the parking lot area so as to break up expanses of paved areas. Parking lot landscape areas shall be provided with deciduous shade trees, ornamental or evergreen trees, plus ground cover, mulch and/or shrubbery as determined appropriate by the Planning Commission. Parking lot landscape trees shall be provided at the rate of one tree for each 15 surface parking spaces provided, or major fraction thereof. Parking lot landscaping shall be contained in planting beds bordered by a raised concrete curb or equivalent approved by the Planning Commission. ORONO CC 351-5 (Sec. 10.45: 5-8-89) 4 i j