When any street, alley or public highway within the city is excavated for any purpose and is not refilled before night of the same day, a lantern shall be placed and kept lighted at either end of the excavation, and if the same shall be greater in length than 75 yards, a lantern shall be placed at a distance of not more than 50 yards apart, between the ends and along the excavation.
(1995 Code, § 8.12.020)