A. Barricades: Every opening in any street, alley, or other roadway within the city shall be barricaded on both sides of the opening to the full length of such opening, and such barricades shall be kept in place at all times when such openings exist.
B. Lights: The person making such opening shall, between the hours of five o'clock (5:00) P.M. and eight o'clock (8:00) A.M. of each day, keep red or amber lantern lights burning or adequate flares placed at said excavation, one on each end and along each side of such excavation at intervals of five feet (5') or fraction thereof so that same can be seen from all directions for the purpose of warning anyone upon said street of the danger as to such opening. When such opening is running lengthwise within the block along such street or alley, then such red or amber lights or flares shall be placed at the ends thereof and every five feet (5') within the intersections and every twenty feet (20') along such opening within the block at each side thereof. All of said red or amber lights or flares shall be burning and placed in a conspicuous position so that the same can be seen by anyone located in the vicinity thereof approaching from any direction. Said lights at the ends of said excavation shall be kept lighted and burning between said hours of five o'clock (5:00) P.M. and eight o'clock (8:00) A.M. of each day. (Ord. 13.00)