A. Any person, firm or corporation laying or repairing any pavement on a street, sidewalk or other public place or making an excavation in the same shall maintain suitable barricades to prevent injury of any person or vehicle by reason of the work. Such barricades shall be protected by suitable lights at nighttime.
B. Any defect in any such pavement shall be barricaded to prevent injury, and any person, firm or corporation 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.
C. It shall be unlawful to walk upon or drive any vehicle or animal upon, or injure any newly laid street or alley pavement while the same is guarded by a warning sign or barricade, or to disturb or interfere with any lawfully placed barricades or lights. (1995 Code § 5.106)