Any excavation made by any licensed sewer contractor in any public place or immediately adjacent thereto shall be protected and guarded by fencing or covering and by proper lights. The protection of the public from danger of such excavation shall be the responsibility of the side sewer contractor; and said contractor shall be liable on his bond for any damage caused by his failure to properly protect and guard such excavation as herein required. If the contractor fails to properly protect and guard such excavation, the City Engineer may properly protect and guard same and charge the cost thereof to the side sewer contractor. Private property owners doing work shall exercise due care in preventing the creation of hazardous situation that could lead to injury or damage to neighboring property, be it public or private property. (Ord. 1602, 1987; Ord. 1730, 1993)