Any person, firm or corporation making any excavation in or under any public street, alley or public place in the city shall restore the surface thereof to its original condition if there is no pavement there. Refills shall be properly tamped down, and any bracing in such excavation shall be removed.

    Any opening in a paved or improved portion of a street shall be repaired and the surface relaid by the applicant, in compliance with the ordinances and subject to the supervision of the superintendent of maintenance; and if such work is not done within ten days after restoration is possible, the city may restore the surface and charge the cost thereof to the permittee. (Prior code § 33-3-11)