909.03   OPENINGS.
   (a)   No person shall allow cellar doors, trap doors or any other opening of a similar nature to remain open on any sidewalk or any street or alley unless a substantial railing surrounds the opening or unless there is stationed at the cellar door, trap door or any other opening of a similar nature a guard or watchman during the time or period of its remaining open.
   (b)   No person shall construct on any sidewalk, street or alley any smooth iron doors or coverings of manholes, coal holes or gratings. When the doors or coverings of manholes, coal holes or gratings are constructed they shall be of rough corrugated iron on the level with sidewalk, street or alley neither higher nor lower than the sidewalk, street or alley on which they are constructed.
   (c)   No person shall remove, displace or destroy any barrier, marker, sign, obstruction or light set or placed by any person acting under the direction of the City Manager or his designee, in or on any public street or alley for the purpose of temporarily closing the street or alley in connection with the improvement or repair thereof, or for any other reason, nor shall any person drive any vehicle in or upon any public street or alley when the street or alley is so marked by any barrier, marker, sign, obstruction or light for the purpose of temporarily closing the street or alley in connection with the improvement or repair thereof or for any other reason.
   (d)   Subsection (c) hereof shall not apply to any person requiring the use of the street or alley so temporarily closed for access to any premises abutting on the portion of such street or alley so temporarily closed, when the person shall have obtained a written consent to use the street or alley for such purpose from the City Manager or his designee under whose authority the street or alley has been so temporarily closed. (Ord. 31-59. Passed 8-30-59.)