913.07 ADEQUATE PROTECTION AROUND EXCAVATION REQUIRED.
   (a)    At all times during the progress of the work, adequate protection and passage shall be provided by the permit holder for the traveling public. Barriers shall be erected and maintained as may be necessary for the protection of the traveling public; the same shall be properly lighted at night; and the party or parties to whom this permit is issued shall be responsible for all damages to person or property due to or resulting from any work done under this permit. All detour routes must be approved in advance by the Municipality and the route shall be properly posted with signs so as to clearly direct the motorist in the most appropriate route around the excavation site.
   (b)    In the event that any conditions which are hazardous to the traveling public shall develop during or after any excavation, the Municipal Administrative Director shall contact the contractor to correct the same, or if the contractor is not immediately available or cannot be contacted, then the defect shall be corrected by Municipal employees and the expense of such repairs charged against the contractor's deposit or bond.
(1980 Code 95.16)