It shall be unlawful for any person to construct or maintain any stairway, open cellarway, open basement way, or open entrance thereto in or adjacent to any sidewalk, pavement, or street, and any such entrance is hereby declared to be a public nuisance, provided that all existing stairways, open cellarways, open basement ways, or open entrances thereto in sidewalks, pavements, or streets may be permitted to remain from and after the passage, approval, and publication of this code if the person owning or using the opening in the sidewalk, or street, shall satisfy the Utilities Superintendent that the same is properly protected by a balustrade or coping of durable material and shall furnish the municipality with a bond in such amount as the governing body may set, for the benefit of any person who might suffer an injury or damage by reason of the use of the stairway, cellarway, or open basement way.
Penalty, see § 10.99