7-1-3: OBSTRUCTIONS IN STREETS:
It shall be unlawful for any person owning, occupying or having control of any premises to place or permit to be placed upon or in the sidewalk, parking area, gutter or on the half of the street next to such premises:
   A.   Refuse: Any broken ware, glass, filth, rubbish, sweepings, refuse matter, ice, snow, water, garbage, ashes, tin cans or other like substances.
   B.   Building Materials: Any wagons, lumber, wood boxes, fencing, building material, dead trees, tree stumps, merchandise or other thing which shall obstruct such public street, gutter, parking area or sidewalk, or any part thereof, or the passage over and upon the same, or any part thereof, except as expressly authorized by ordinance, without the permission of the city council first had and obtained.
   C.   Permanent Or Temporary Structures: Any permanent or temporary structure, mechanism, device, vehicle or other thing of any kind or character, except trees planted pursuant to the provisions of applicable ordinances. (1980 Code § 11-362)