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1. A tree preservation plan shall be required for all soil disturbance activities where <br />Tree Preservation and Mitigation Standards apply. A tree preservation plan shows how the Tree <br />Preservation and Mitigation Standards will be met and how preserved trees will be protected <br />during construction and other potentially harmful activities. <br />2. The tree preservation plan shall be based on the tree survey. <br />3. If a tree survey shows that no significant trees are on the development property <br />or adjacent properties are near the construction area, the City may waive the tree preservation <br />plan requirement. <br />4. A tree preservation plan shall identify: <br />a. The basic use area and environmentally sensitive areas. <br />b. The disturbance area. <br />c. Tree size (DBH), species, condition, location, and root protection zone for all <br />significant trees to be preserved, or; <br />d. The combined root protection zone of all stands of trees designated for <br />preservation, whichever is applicable. <br />e. Location and type of tree protection fence. <br />f. Staging areas. <br />g. Temporary construction access routes when temporary site access is <br />necessary within root protection zone of any tree or tree stand designated for preservation. <br />i. Temporary access shall be routed in a manner that is least disruptive to <br />the tree or tree stand per the approval of the City Forester. <br />ii. Temporary access roads shall not exceed 25 feet in width and shall be <br />delineated by snow fencing or safety fencing. <br />iii. An eight (8) inch deep cover of wood chip mulch shall be placed over the <br />temporary access route to cushion the root protection zones from compaction. <br />h. Concrete washout areas. <br />i. Existing and proposed grading. <br />j. The plan shall show directional felling and trenching to separate root systems <br />prior to bulldozing trees or stumps if necessary to avoid damage to adjacent trees. <br />115 <br />