§ 174.11  Signs, flares and barricades to warn of excavation
   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)