521.04 SIDEWALK OBSTRUCTIONS; DAMAGE OR INJURY.
   (a)    No person shall unload any heavy material in the streets of the Municipality by throwing or letting the same fall upon the pavement of any street, sidewalk or other public way, without first placing some sufficient protection over the pavement.
   (b)    No person shall encumber any street or sidewalk or, being the owner, occupant or person having care of any building or lot of land bordering on any street or sidewalk, permit the same to be encumbered with barrels, boxes, cans, articles or substances of any kind so as to interfere with the free and unobstructed use thereof.
   (c)    No person shall erect or cause to be erected or allow to remain standing any house, building, wall, fence or other permanent structure, in such manner that any part thereof shall stand or project over beyond the line of any lot or parcel of land into any street, alley, sidewalk or public ground of the City, unless specially authorized by resolution of Council.
   (d)    All fences, awning frames, signs or other projections constructed, suspended, hung or placed within, on or above any sidewalks, in violation of the provisions of any City ordinances, shall, within thirty days after notification by the Mayor, be removed by the owner of such constructions. In case of neglect or refusal on the part of the person so notified, the same shall be done at the expense of the owner thereof, and the expenses of such removal certified for collection from such owner.
   (e)    In the transportation of any goods, materials or equipment across any sidewalk in the Municipality, efficient temporary planking shall be used to protect the sidewalks from breakage and such temporary planking shall be removed at the close of each working day and the surface of the sidewalk immediately cleaned and left in a passable condition.
   (f)    No person shall use any street or sidewalk area, including the lateral strip area between the street and sidewalk, for the display of merchandise or for any advertising display, except during the hours of a community festival or celebration which hours shall be set by the Mayor in a written proclamation.
   (g)    Whoever violates this section is guilty of a misdemeanor of the first degree.