Any person duly licensed or permitted to occupy any part of any street, while erecting or repairing any building, or making excavations in any street, for any purpose, shall provide safe and convenient passage around or over the same for public travel, and shall keep the passage free from stone, earth, bricks or any other material which shall be a hinderance to public travel, and shall obey any order of the Superintendent of Streets in relation thereto.
(1967 Code, § 19-52) Penalty, see § 99.99