7-1-4: EXCAVATIONS:
   A.   Permit Required: It shall be unlawful to make any excavation in or tunnel under any public street, alley, sidewalk or other public place in the city without having first secured a permit therefor.
   B.   Application For Permit: Application for such permit shall be made to the city clerk and shall specify the intended locations and purpose of the excavation.
   C.   Bond Required: No person shall make any such excavation or tunnel without first having secured and furnished the city with a copy of or certificate of a bond or policy in an amount to be approved by the city council conditioned to indemnify and hold the city harmless from any loss, damage or liability resulting from the work done or any acts or omissions in connection therewith.
   D.   Restoration Of Excavated Area: Any person making any such excavation shall refill the same properly and shall restore the surface to its condition before the excavation was made, as soon as possible.
   E.   Supervision: All excavations, refills, and resurfacing shall be made subject to the supervision and under the direction of the superintendent of public works. (Prior code § 12-1-15)