It is unlawful for any person to sweep or cause or permit the sweeping in any commercial zone of any sidewalk or the interior of any public conveyance or the floor of any building, hotel, hospital, store, shop, school, church, theater or other place to which the public has access, without first having sprinkled the same with water or with moist sawdust or other substances in quantities sufficient to prevent the raising of dust while sweeping.
(1979 Code § 8.24.210)