A. A public utility shall obtain a permit, issued by the director and valid for one year from the date of issuance, in order to maintain trees growing adjacent to utility fixtures or apparatus. This permission shall cover trees which encroach upon public streets.

B. When maintaining street trees, a public utility must observe good arboricultural practices, as specified by International Society of Arboriculture Western Chapter pruning standards.

C. When public utility pruning affects ten percent or more of a street tree’s natural canopy, or when there are energized utility lines closer than ten feet from a street tree’s main trunk or trunks, the public utility shall provide complete pruning of the entire tree. (Ord. 1544 § 1 (part), 2010)