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Attachment 2: Landscaping and Tree Preservation Standards - REVISED JUNE 21, 2010 Page 6 Location Required Screen Height Required Screen Materials Between residential uses • year round continuous planting screen in and accordance with 7.b. arterial or collector road or • wall or fence of permanent materials Between any development 6 feet and plantings shall provide shrub cover for 50% of and the wall or fence on the exterior side adjacent, less intense, residential land uses or • 6 ft. berm (this includes across a or street from residential • 4 ft. berm with additional 2 ft. year round Between loading /service continuous screen in accordance with paragraph area and public view 7.b. b. All continuous year round planting screens shall require at a minimum a double row of plants with triangulated spacing. See illustration. Plantings shall be spaced so that visibility through the screen is completely blocked within 5 years of the time of planting. Small shrubs shall be a planted at a maximum of interval of 3' on center, medium shrubs shall be planted at a maximum interval of 4' on center, and large shrubs shall be planted at a maximum interval of 6' on center unless otherwise authorized by the City. c. A wall or fence intended to provide a continuous year round screen shall block visibility completely. d. In addition to the shrub and wall /fence screen rcquircmcntsstandards, all screens shall be planted with large trees every 50 LF, medium trees ever 35 LF, or small trees every 25 LF or some combination thereof, along the length of the screen. e. Existing vegetative screens should be left in place unless composed of invasive species or otherwise directed by the City. Existing screens may be enhanced with new plantings to comply with the rem-s standards. f. Berms shall be irrigated and have maximum side slopes of 3:1. g. Permanent walls and fences shall be offset by a minimum of 2' at intervals of 75' maximum length for stability and visual relief. See illustration. h. Approved permanent wall /fence_ materials shall include wood, metal, masonry, concrete and-_stone, or other prefabricated and /or sustainable materials. i=cnces also may be 8. Boulevard Tree Standards: a. Boulevard trees are required at the rate of one tree per 70 linear feet of road frontage where property fronts any public road. The City shall collect a standard fee per tree based on the estimated market rate cost to purchase and install trees within the development site.