A.   Required: Any person laying or repairing any pavement on a street, sidewalk or other public place, or making an excavation in any such place, shall maintain suitable barricades to prevent injury to any person or vehicle by reason of the work. Such barricades shall be protected by lights at nighttime. Any defect in any such pavement shall be barricaded to prevent injury, and any person properly maintaining any opening or excavation in any such place shall guard such opening or excavation while the same remains open by proper barricades and lights. (1964 Code § 92)
   B.   Disturbing: It is unlawful to disturb or interfere with any barricade or lights lawfully placed to protect or mark any new pavement or excavation in any public street, alley or sidewalk. (1964 Code § 93)