The owner of any building in said city having a stairway leading from an adjacent sidewalk to the cellar or basement of such building shall guard such stairway with a substantial railing not less than three feet high, and the entrance to such stairway shall be at right angles to the street from which such entry is made, and any person who shall have any permanent opening in any sidewalk for the purpose of letting light into any basement or cellar, or for any other purposes, shall guard the same with a substantial cover.
(Prior Code, § 93.075) Penalty, see § 151.999