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Municode Page 4 of 7 <br />(b) <br />(c) <br />(d) <br />where required, shall remain until such time as they are authorized to be removed by the city <br />or issuance of a final certificate of occupancy. <br />Tree preservation plan. A tree preservation plan shall be submitted with preliminary plats <br />and/or site plans, drawn to the same scale as the other preliminary plat or site plan <br />submittals. The submitted tree preservation plan must include a buffer, if required, and <br />landscape plan for the project. <br />(1) Residential and commercial development plans shall be designed to preserve natural <br />vegetation areas as much as possible. Streets, parcels, structures and parking areas <br />shall be laid out to minimize the destruction of wooded areas or outstanding tree <br />specimens. Developers of land are encouraged to designate wooded areas as park <br />reserves. <br />(2) The city may require either the clustering of dwellings or alternate locations of <br />dwellings to preserve significant trees during the plat approval process. <br />(3) There shall be no movement, clearing, or storage of equipment within a designated <br />tree protection zone. The owner, developer, or agent shall not permit the placement of <br />construction materials, debris, soil deposits, or fill; nor cause or permit disposal of <br />waste materials such as paints, oils, solvents, asphalt, concrete, mortar or any other <br />harmful material within the dripline of any protected tree area. <br />Plan specifications content. The content of all tree preservation plans submitted shall, for <br />purposes of city staff review, include the following: <br />(1) Delineation of all areas located within a 100-year floodplain; <br />(2) <br />A tree survey overlay on the grading plan, which locates all significant trees within the <br />developable areas of the site, identifying both diameter and species. Dead or <br />diseased trees shall be included in the survey. All tree surveys for subdivisions <br />involving the construction of roads or drainage conveyances shall be performed by an <br />International Society of Arboriculture Certified Arborist or a Society of American <br />Foresters Certified Forester. For the purposes of this division, significant trees shall <br />include: <br />a. <br />b. <br />c. <br />All species of oak that have a DBH of four inches or greater; <br />All evergreen species that have a DBH of four inches or greater; and <br />All other trees that have a DBH of eight inches or more; <br />(3) Existing soil conditions throughout the parcel; and <br />(4) Existing contour data for the entire property with vertical contour data consistent with <br />city standards for all areas to be disturbed by proposed tree removal operations, <br />extending for a distance of at least 50 feet beyond the limits of such areas. Indicated <br />elevations may be based on United States Geological Survey data. <br />Tree preservation barriers. <br />(1) All tree protection areas are recommended to be designated as such with "Tree Save <br />Area" signs posted in addition to the required protective fencing. Signs requesting sub <br />-contractor cooperation and compliance with tree protection standards are <br />recommended for site entrances. <br />(2) Before any construction or grading takes place, snow fencing or erosion control <br />fencing shall be placed around the borders of woodlots at the dripline of large trees to <br />be preserved. Signs shall be placed along this fence line prohibiting grading beyond <br />the fence line. <br />(3) These fences will be orange polyethylene laminar safety fencing or of woven <br />polyethylene fabric (silt fencing). <br />http://library.municode. com/print. aspx?h=&clientlD=14286&HTMRequest=http%3 a%2f... 12/3/2012 <br />