Any person, firm, corporation, association, or others making any excavation or tunnel in or under any street, alley or public place in the city shall restore said street, alley or public place to its original condition except for the surfacing, which shall be done by the city, but shall be paid for by such persons, firm, corporation, association, or others promptly upon the completion of the work for which the excavation or tunnel was made. In case of unreasonable delay in restoring the street, alley or public place, the city manager shall give notice to the person, firm, corporation, association or others that unless the excavation or tunnel is refilled property within twenty-four (24) hours, the city will do the work and charge the expense of doing the same to such person, firm, corporation, association or others. If within the time mentioned the conditions of the above notice have not be complied with, the work shall be done by the city, an accurate amount of the expense involved shall be kept, the total cost shall be charged to the person, firm, corporation, association or others, who made the excavation or tunnel. (Ord. #316, Sec. VI, 05/19/59).