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g. The following statements addressing tree protection: • Prior to the commencement of construction including any alteration of existing topography, a sturdy chain-link fence shall be installed a minimum of 10 feet beyond the tree driplines shown on the HTMP. No material storage, vehicle parking, etc., may occur inside the fence. The dripline shall not be altered in any way so as to increase the encroachment for construction. • No excavation, grading, drainage, and leveling shall occur within the dripline of any preserved tree unless approved by the Planning Director, the City Engineer, and the consulting arborist. • No disposal or depositing of oil, gasoline, chemicals, or other harmful materials is allowed within the root protection zone of the preserved trees or in drainage channels, swales, or areas that may lead to the dripline. • No wires, signs, ar~d or ropes may be attached to any tree that is part of this development including the permanent open space area. ~?54. At the discretion of the Planning Director, the information contained in the above- described BOWMP and HTMP plans may be combined provided that the information is clear and legible. X55. The project developer shall post cash, letter of credit, or other security satisfactory to the Planning Director in the amount of the valuation of each tree identified in the HTMP should any work, utilities or otherwise, be conducted within an area in which potential impacts may be anticipated. This cash bond or security shall be retained for two years following acceptance of public improvements or completion of construction, whichever is later, and shall be forfeited if the trees are destroyed or substantially damaged. In the event any trees are destroyed or substantially damaged, an arborists' assessment, at the developer's expense, shall be required to determine the value of the damage or loss and the resultant sum paid to the City's Urban Forestry Fund or used for the suitable mitigation by planting specimen trees on-site, as determined by the Planning Director. ~4-.56. A final landscape plan and temporary irrigation plan for the open space areas surrounding the 51 lots covered by this development shall be submitted to and approved by the City's Landscape Architect and the Planning Director as part of the improvement plans prior to recordation of the final subdivision map. The landscape plan shall be consistent with the "Oak Grove Open Space & Common Area Design Guidelines", HTMP, and the BOWMP, plus the following conditions: a. To compensate for the habitat values lost from the removal of blue oak woodland, heritage-size, and non-heritage size trees due to the project's City Council October 2, 2007 Page 23 of 41