12.28.100: PROTECTION OF PUBLIC TREES:
   A.   It is unlawful for any person to damage, transplant, remove, top, or mutilate any public tree. Street tree(s) may be removed by property owners with the written permission of the city forester.
   B.   No person shall excavate any ditches, tunnels, trenches, or lay any drive within a radius of eight feet (8') from any public tree without first obtaining written permission from the city forester. All trees on public property near any excavation or construction of any buildings, structure, or street work shall be guarded with a substantial fence, frame, or box of a size to be designated by the city forester. All building material, soil, and other debris shall be kept outside the barrier, except where otherwise specified in writing by the city forester.
   C.   No person shall deposit, place, store, or maintain any stone, brick, sand, concrete, or other materials which may impede the free passage of air, water, and nutrients to the roots of public trees, except by written permission from the city forester.
   D.   Except for authorized personnel in the event of an emergency, no person shall fasten any sign, card, poster, wire, rope, or other material to or around or through any public tree or its protective barrier. (Ord. 2812, 2007)