It shall be unlawful for any person, firm or corporation making any excavation for any purpose whatsoever in any of the streets or sidewalks to fail to securely cover such excavations with planks, or place ropes around the same three feet from the ground or to fail to provide sufficient illumination to provide warning to the traveling public including pedestrians.
(1987 Code, § 4-1-14) Penalty, see § 91.999