Any scaffolds or ladders placed in such a position that they overhang or can fall onto any public street, alley, or other public place in the city shall be firmly and properly constructed and safeguarded; and it shall be unlawful to place or leave any tools or article on that place in such a manner that the same can fall onto the street, sidewalk, alley, or other public place, from a height greater than 4 feet.
Penalty, see § 10.99