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 the excavations with plank or place ropes around the same three feet from the ground or shall fail to place a sufficient number of red lights around the excavation before dark and to keep the light burning all night every night the excavation shall be open.
(1973 Code, § D-I-4) Penalty, see § 10.99