For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
(a) "Caliper" means the diameter of a tree trunk six inches above the existing grade or proposed planted grade. This measurement is used for nursery-grown trees.
(b) "Critical root zone" means the area inscribed by an imaginary line on the ground beneath a tree having its center point at the center of the trunk of the tree and having a radius equal to one foot for every inch of diameter breast height (DBH).
(c) "Diameter breast height (DBH)" means the diameter of a tree measured at four and one-half feet above the existing grade at the base of the tree.
(d) "Drip line" means the ground area within the tree's canopy.
(e) "Protected tree" means any tree having a trunk diameter of six inches or greater as measured twenty-four inches above ground level, or a tree which has been designated by the City to be of high value or interest to the City because of its location or historical association, or other professional criteria.
(f) "Tree" means any self-supporting woody plant, together with its root system, growing upon the earth usually with one trunk, or multi-stemmed trunk system, supporting a definitely formed crown.
(g) "Tree preservation area" means the area of a parcel of land in which all trees shall be protected during all phases of construction.
(Ord. 2014-27. Passed 8-5-14.)