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Ordinance No. 2288 <br />Page 4 of 12 <br /> <br /> <br />G. “Director” means the Director of the City department that oversees tree removals or the <br />Director’s designee. <br />H. “Dripline” means the outermost circumference of the tree or trees’ canopy, from which <br />water drips onto the ground. The 'dripline' is taken to include the area that lies within that <br />circumference. <br />I. “Effectively Remove” means actions that foreseeably lead to the death of a Protected Tree <br />or permanent damage to its health. Effective removal actions include, but are not limited to: <br />1. Any extreme root or branch pruning that is not consistent with standard arboriculture <br />practices for a healthy tree; <br />2. Removal of the bark around the circumference of the tree (girdling); <br />3. Compaction of soil within the dripline; <br />4. Introduction of harmful chemicals; <br />5. Introduction of harmful foreign objects into tree or root system; <br />6. Introduction of pests or disease; <br />7. Unauthorized relocation or transportation of a tree; and <br />8. Trenching, excavating, altering the grade, or paving within the dripline. <br />J. “Emergency” means a sudden, serious, unexpected, and often dangerous situation requiring <br />immediate action to prevent or mitigate loss or damage to life, property, or essential public services. <br />An emergency tree situation typically includes but is not limited to: a tree failure that is active and <br />in progress, such as a broken but still attached branch; a partially uprooted tree; or a split fork or <br />bifurcated main stem, that meets the “extreme” or “high” risk characteristics as defined by the <br />International Society of Arboriculture. <br />K. “Heritage Tree” means a tree that is considered irreplaceable. It may be any tree found on <br />public or private property that has special significance to the community due to its history, size <br />(circumference and/or height), species, or unique quality. The Landscape Architecture Section shall <br />be responsible for overseeing the Heritage Tree Program. A request for designation as a Heritage <br />Tree must come from the owner of the property where the tree is growing, or if nominating <br />someone else’s tree, must have the property owner’s written permission to nominate the tree. Trees <br />which are on properties that come under development review, may be designated as Heritage Trees <br />during the review process by either the property owner or the Director. Any pruning of Heritage <br />Trees shall be done in consultation with the City’s arborist to ensure that the work performed on or <br />around the tree will not endanger its health, structure, or life of the tree. <br />L. “Multi-trunk tree” means a tree having more than one major supporting stem or trunk <br />growing from a single root mass located at ground level or just above the trunk flare, capable of <br />naturally exceeding ten feet in height at maturity. A multi-trunk tree does not include suckering <br />growth or subordinate root sprouts. <br />M. “Pruning” means the selective removal of plant parts to meet specific goals and objectives, <br />including but not limited safety and risk reduction; clearance; growth control; and to enhance <br />Page 40 of 893