Laserfiche WebLink
<br />3 <br /> <br />Section 1: Definitions <br /> <br />For the purposes of this guide , the following definitions shall apply: <br /> <br />A. Arborist: the person designated as such by the city who has demonstrated knowledge <br />and competency, ideally through the obtainment of the current International Society of <br />Arboriculture (ISA) arborist certification. This can be either a city employee or a <br />contractor. ISA Municipal Specialist is a desirable credential requiring qualified individuals <br />have a minimum of three years full time municipal related experience. These credential <br />holders assist agencies in the operations of managing trees in a municipal sector. ISA <br />Utility Specialist is another highly desirable certification requiring individuals to have a <br />minimum of three years full time experience managing trees adjacent to utilities. This <br />credential is important in the managing of municipal trees near power lines or other <br />utilities. The ISA Board Certified Master Arborists is the highest level of certification <br />offered by the International Society of Arboriculture and could additionally be considered <br />useful in assisting municipalities with all operational facets of managing trees. <br />B. Compaction: compression of the soil structure or texture by any means that creates an <br />upper layer that is impermeable. <br />C. Director: the director of public works or other department head as assigned by the public <br />agency or the director’s designee, unless otherwise specified in the guide . <br />D. Disturbance: all the various activities from construction or development that may damage <br />trees. <br />E. Dripline area: the suggested minimum area within “X” distance from the trunk of a tree in <br />a typical location, measured from the perimeter of the trunk of the tree at 54 inches above <br />natural grade, where “X” equals a distance ten times the diameter of the trunk at 54 <br />inches above natural grade, or the distance to the outermost edge of the tree canopy, <br />whichever is the lesser distance. <br />F. Environmental Transportation Advisory Commission (ETAC): An Advisory Commission to <br />the City Council in the study, review, and recommendations with regard to the removal, <br />planting, replanting or disposition of public trees in the public right of way. <br />G. Excessive pruning: removing in excess of 25 percent or greater of the functioning leaves <br />and stems in a single pruning. Excessive pruning may include the cutting of any root two <br />inches or greater in diameter. Exceptions are when clearance from overhead utilities or <br />public improvements is required, or to abate a hazardous condition or a public nuisance <br />or approved by City arborist. <br /> <br />