It shall be unlawful for any person to open any sidewalk elevator doors or gratings unless he is directed or permitted by the person, firm or corporation using said elevator to open such doors or gratings. And it shall be unlawful for any person, firm or corporation operating or using such sidewalk elevator to open or cause to be opened the elevator doors or gratings thereof unless a responsible person connected with the person, firm or corporation operating or using said elevator shall be stationed on the sidewalk immediately adjacent to said doors or gratings, who shall lift said doors or grating by hand, except that, if they are automatically lifted from below upon the rising of such elevator, before said doors or gratings are raised, removable metal guards, consisting of four metal posts, not less than three feet in height, shall be inserted in sockets placed in the sidewalk at the four corners of such doors or gratings, with the tops of such posts connected by chains or bars, so that all sides of such openings shall be guarded, except that side next to curb, and the public protected from injury by the sudden raising of such doors. Such metal guards shall be removed as soon as said doors or gratings are closed.
(Added by Ord. 1.075, App. 10/11/38)