Any person, firm, or corporation making any excavation or cut below grade in any public street or highway within the city limits shall, at all times during the course of the work, maintain and have installed sufficient and adequate warnings, signs, flares, barricades, and barriers, so as to give warning to any and all persons traveling upon such street or highway of the existence of such excavation or cut, and so as to prevent such persons so traveling upon the street or highway from driving or falling into such excavation or cut.
(Ord. 9-6-83-1, passed 9-6-83)