It shall be unlawful for any person to excavate across, along, in or about any public street, alley or other public way without first having obtained a permit for such purpose from the city secretary. A fee as set forth in section A3.15.031 of the fee schedule in appendix A to this code will be paid to the city secretary for each permit herein provided for and shall be paid at the time such permit is delivered.
(1978 Code, sec. 19-8; Ordinance adopting Code)
Any person having done any excavation across, along, in or about any public street, alley or other public way in the city shall refill any excavations according to specifications for such work, which shall include the following specifications:
(1) 
Gravel streets will be backfilled with compacted road gravel.
(2) 
Asphalt streets will be backfilled with sand water jetted; then a five-inch concrete cap extending a minimum of one (1) foot over each side of the ditch; then surfaced with the existing amount of hot mix asphaltic concrete, type D.
(3) 
Concrete streets will meet the same specifications as subsection (2) above, except that “concrete” is substituted for “hot mix asphaltic concrete,” which concrete may be combined with the cap.
(4) 
When it is necessary to cross an existing street with a utility line, the road crossing will be bored where it is possible. Should it not be possible to bore the street or if the utility main is in the existing street, the street may be open cut and the ditch backfilled as outlined above.
(1978 Code, sec. 19-9)
Nothing in sections 3.15.031 and 3.15.032 is intended to apply to any portion of any street, alley or other public way, except that portion which is covered with gravel, asphalt, concrete, cement or any mixture or compound of either, and same shall only apply to the portion that is covered by gravel, asphalt, concrete, cement or a mixture of one or more surfacing materials.
(1978 Code, sec. 19-10)
Any excavation requiring the closing of a street must be reported to the police and fire departments prior to closing.
(1978 Code, sec. 19-11)
The person working in the street, alley or other public way shall be responsible for providing all warning devices and signs to provide for the safety of both pedestrians and vehicular traffic.
(1978 Code, sec. 19-12)
It shall be unlawful for any person having charge of any public or private improvement or building in the city to leave any hole, ditch or excavation of any kind in the surface of the earth in or adjoining any public square, street, alley, sidewalk or other public place, without guarding or covering same in such manner as to protect persons and animals from injury.
(1978 Code, sec. 19-13)