Ordinance No. 20224 - Laserfiche WebLink

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9.6215 Credit for Preservation of Herita a Trees Variable credit shall be allowed for � — n III Iln.l I.Pllll.i.lnlnlnl. ��IPlnnl.11 f Ir preservation of heritage trees, as defined in the adopted Enene Urban Forest Management Plan The planning and development director shall determine the value of the Heritage Tree, according to formulas established in Valuation of Landsca e Trees, Shrubs and ( Other Plants (International Society of Arboriculture) and shall relieve the contractor /developer from planting a number of trees having a value of up to 50 percent of the value of the Heritage Tree preserved. 9.6220 Installation and Maintenance Installed plant materials shall meet current nursery industry standards, including necessary soil depth and quality. All required landscape areas soils shall extend to the native soil. Plant materials shall be properly supported to ensure survival. Support devices such as guy wires or stakes shall not interfere with vehicular or pedestrian movement. Maintenance of landscaped areas is the ongoing responsibility of the property owner. All landscaping shall be installed and maintained to protect it from vehicular damage through the use of curbing, to provide adequate vision clearance, and to maintain plant materials in a healthy and attractive manner. Required shrubs and trees shall not be pruned or sheared below their code- required spread or height. 9.6225 Irrigation An automatically controlled irrigation system shall be provided for all plant materials used to meet these landscape standards. Drip irrigation and low - gallon systems are encouraged for non -turf areas. The irrigation system need not provide water to unplanted areas, or to areas where existing native plants have been preserved. The irrigation systems shall be maintained and operated in a manner that promotes the health and appearance of the plant material while minimizing water use and avoiding excessive run -off. 9.6230 Landscape Plans. Landscape plans shall be submitted *n a manner approved by the city manager showing all proposed landscaped areas and verification by an Oregon licensed landscape architect that the plan complies with the applicable landscape standards in this land use code. 9.6235 Pla nt Materials Standards. 1) Shrubs and Ground Cover. All required plant materials shall be of sufficient size and number to meet the required 70 percent coverage. standard within 3 to 5 years according to the type of landscape standard being addressed. (Mulch is not a substitute for ground cover plants. All required shrubs shall be in at least 3 gallon containers prior to planting, unless otherwise specified. (2) Trees. Except where 1 or the other is specified elsewhere in this code, trees may be either deciduous or evergreen varieties. Required canopy trees at the time of planting must be fully branched and have a minimum diameter of 2 inches as measured by American Association of Nurserymen Standards. Required evergreen trees at the time of planting must be fully branched and a Ordinance - 217