(a) All trees on any street or other publicly owned property near an excavation, or construction of a building or structure, or street work, shall be guarded with a protective device, such as a substantial fence, frame or box not less than four feet high and eight feet square, or at a distance in feet from the tree equal to the diameter of the trunk in inches, measured at a trunk height of approximately four and one-half feet from the ground (D.B.H.), whichever is greater, and all building material, dirt or other debris shall be kept outside the barrier. The protective device must be structurally sound and capable of protecting the trees from all expected encroachment by debris and machinery associated with such excavation, construction or work.
(b) No person shall excavate any ditch, tunnel or trench, or lay any drive, within a radius of ten feet from any public tree, without first obtaining a written permit therefor from the Service Director.
(Ord. 1987-46. Passed 7-15-87; Ord. 01-72. Passed 6-5-01)