It shall be unlawful to make, cause to be made, or maintain any opening in any sidewalk for the purpose of providing light for a basement or cellar or for ventilating the same, unless such opening shall be guarded with a substantial railing of iron not less than three feet high, or with a substantial iron grating or other strong substantial cover, the grates of which shall not be more than one inch apart. No railing or grate shall occupy more than two feet of the sidewalk, measuring from the inner side thereof.
(Prior Code, § 11-6-8) Penalty, see § 93.999