Public nuisances affecting public safety shall include, but not be limited to the following:
(A) All signs and billboards, awnings and other similar structures over or near streets, sidewalks, public grounds of places frequented by the public, so situated or constructed as to endanger the public safety;
(B) All trees, hedges, billboards or other obstructions which prevent persons driving vehicles on public streets, alleys or highways from obtaining a clear view of traffic when approaching an intersection or pedestrian crosswalk;
(C) All limbs of trees which project over a public sidewalk or roadway less than eight feet above the surface of a public sidewalk or less than 14-1/2 feet above the surface of a public roadway;
(D) All wires over streets, alleys or public grounds which are strung less than 15 feet above the surface of street or ground;
(E) All obstructions of streets, alleys, sidewalks or crosswalks and all excavations in or under the same, except as permitted by the ordinances of the city or which, although made in accordance with the ordinances, are kept or maintained for an unreasonable length of time after the purpose thereof has been accomplished;
(F) All open and unguarded pits, wells, excavations or unused basements freely accessible from any public street, alley or sidewalk;
(G) All abandoned refrigerators or iceboxes from which the doors and other covers have not been removed or which are not equipped with a device for opening from the inside; and
(H) Any unauthorized or unlawful use of property abutting on a public street, alley or sidewalk, or of a public street, alley or sidewalk, which causes large crowds of people to gather, obstructing traffic and free use of the streets or sidewalks.
(1985 Code, § 14-123)