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4. The width of an attached garage shall not exceed 40 percent of the width of <br />the entire principal building facade (including garage) fronting the primary <br />street. <br />D. Landscaping standards. <br />1. A landscape plan for the entire site is required and shall consist of at least ten <br />trees per building site; and trees shall not be not less than 1.5 inches in caliper <br />measured at 54 inches above grade level. <br />2. Boulevard landscaping is required along all streets to consist of at least one <br />tree per every 30 feet or placed in clusters at the same ratio. <br />E. Impervious surface standards. The maximum impervious surface allowable within <br />an open space planned unit development shall be not exceed 25 percent of the lot in <br />traditional developments. land area not dedicated as preserved open space subject <br />to the following: <br />1. Impervious surfaces created by roads, trails, and other planned impervious <br />improvements shall count against the maximum allowed impervious <br />coverage. <br />2. Remaining allowed impervious surface acreage may be distributed between <br />the planned building sites, and maximums for each lot shall be clearly <br />documented within the overlay district ordinance governing the <br />development. <br />F. Trail and sidewalk standards. A trail system or with sidewalks shall be established <br />within open space planned unit developments in accordance with the following: <br />1. The linear footage of sidewalks and trails provided shall be at least equal in <br />length to the sum of the centerline length of all public roads within the <br />development. <br />a. A trail and sidewalk shall be constructed along the lot frontage on one <br />(1) side of the road. <br />b. Additional asphalt trails shall be required to create connections to <br />other developments and public places. Trails may be required to <br />exceed the sum of the centerline length at the discretion of the <br />community development director or city engineer. <br />2. All trails shall be constructed of asphalt or concrete in compliance with the <br />standard city design for trails. <br />3. Proposed trails shall provide connections between and access to the <br />buildable land areas and preserved open space land being created by the <br />development. <br />4. Proposed trails shall connect to existing, planned, or anticipated trails or <br />roads adjacent to the development site and on adjacent parcels. <br />5. If applicable, trails shall be linked (or be designed to provide a future link) to <br />the Old Village to emphasize the connection between existing and new <br />development. <br />HISTORY <br />Adopted by Ord. 08-253 on 11/3/2021