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islands shall be a minimum of 150 square feet in area, be of appropriate width and length, <br /> and include at least one tree meeting the requirements of this ordinance. <br /> G. Landscape Design Specifications. All landscape plans and landscaping under this <br /> subdivision shall follow and be in compliance with the following requirements, together <br /> with all other Code regulations: <br /> 1. Diverse Selection. The landscape plan shall include a full complement of over <br /> story, ornamental and evergreen trees, shrubbery, and ground covers that are hardy and <br /> appropriate for the locations in which they are planted, and which provide year-round <br /> color and interest. <br /> 2. Existing Plant Credit. Plant materials existing on a site at the time of <br /> development,may be used as a credit against the requirements of these landscape <br /> regulations; the City Council shall determine the extent of credit allowed,based on the <br /> evaluation of species, size, location, quality of existing plant materials and the <br /> consistency with the intent of these regulations. <br /> 3. Plant Selection. The City maintains a list of trees that may not be used to satisfy <br /> the landscaping requirement of this section. <br /> 4. Method of Installation. All deciduous and coniferous trees shall be planted in <br /> accordance with American Standards for Nursery Stock relating to quality of stock and <br /> appropriate sizing of the root ball for balled and burlapped and spade-moved trees. <br /> 5. Slopes and Berms. Final slopes greater than the ratio of 3:1 will not be <br /> permitted without special approval or treatment, such as special seed mixtures or <br /> reforestation, terracing, or retaining walls. Berming used to provide required screening of <br /> parking lots and other open areas shall not have slopes in excess of 3:1. <br /> 6. Landscape Plan Maintenance. Quantity and character of landscaping, as <br /> originally approved, shall be maintained in perpetuity by the property owner unless the <br /> City approves a change to the landscaping plan. Maintenance shall include removal of <br /> litter, dead plant materials,unhealthy or diseased trees, and necessary pruning. Natural <br /> watercourses within a buffer shall be maintained as free flowing and free of debris. <br /> 7. Erosion Control. All areas of any site shall be restored and maintained in <br /> accordance with provisions of the city erosion control standards, and other requirements <br /> of the Code. <br /> 8. Placement of Trees and Shrubs.No trees or shrubs shall be planted within any <br /> drainage/utility easements, road right-of-way, or where it would now or in the future <br /> materially impede the clear vision area or other driveway between a height of two and <br /> one-half(2-1/2) and ten(10) feet in the clear vision area. (revised 3/18/09) <br /> 9. Completion Deadline. All plants required for screening purposes shall be <br /> planted to completion within six months from date of issuance of a building permit unless <br /> otherwise approved by the city due to the time of the year or if an alternative schedule is <br /> set in a development agreement. In no case shall the period exceed six months from <br /> issuance of the certificate of occupancy. <br /> 4 <br /> 2219090 <br />