The following are defined and declared to be public nuisances under this chapter:
A. Any dead or diseased tree or shrub harboring insects or disease which constitutes a threat to other trees in the city, whether located on public or private property.
B. Any tree with structural defects likely to cause failure of all or part of the tree and pose a danger to public safety or property.
C. Any tree or shrub which obstructs the free passage of pedestrian or vehicular traffic or which obstructs a traffic sign, or interferes with the sight triangle of an intersection as defined in subsection 12.28.080F of this chapter.
D. The roots of any tree or shrub which cause the surface of the public street, curb, or sidewalk to be upheaved or otherwise disturbed. (Ord. 2877 § 4, 2009: Ord. 2812, 2007)