The owner of every lot or parcel of land within the City upon which a tree, plant or any shrubbery stands with any part thereof upon or overhanging a public street or sidewalk, shall conform to the regulations herein provided:
(a) The owner shall trim or cause to be trimmed, that tree, plant or shrubbery so that a clear height of twelve feet between the lowest branches and the street or sidewalk is maintained.
(b) The owner shall trim or remove, as the case may require, every dead, decayed or broken tree, plant or shrubbery, or part thereof, so that the same shall not fall to the street or sidewalk.
(c) The owner shall cut down and remove any tree, plant or shrubbery, or any part thereof, as may be necessary to provide a clear and unobstructed view of traffic from all directions at any street intersection, or to abate any nuisance necessary to protect the life, limb or property of persons, drivers of any vehicles or pedestrians using the street or sidewalk.
(1987 Code 98.02)