(A) Any person constructing or repairing, or making any excavation in or tunnel under, or placing any material on or over any street, sidewalk or other public place shall maintain suitable barricades and other protective devices as shall properly prevent injury to any person or property. Suitable lights shall be maintained during the nighttime to warn the public. No unauthorized person shall interfere with or disturb any such protective devices.
(B) A permit shall be secured from the Supervisor of Public Works at least 24 hours in advance of placing any barricades in the street.