1020.17 EXCAVATIONS.
   (a)   No person shall make any excavation in or tunnel under any public street, alley, sidewalk or other place without first obtaining a permit therefor. An application for such a permit shall be made to the City Clerk and shall specify the intended location and the purpose of the excavation.
   (b)   The fee for each permit shall be twenty-five dollars ($25.00), and shall be paid at the time the application is submitted to the City Clerk. No excavation permit shall be issued unless and until the applicant has filed with the City a certificate of insurance or other proof of insurance in a minimum amount of five hundred thousand dollars ($500,000.00) for comprehensive general liability.
   (c)   Any person making any such excavation shall, as soon as possible, refill the same properly and restore the surface to the same condition that existed before the excavation was made.
(1942 Code Chap. XL, Art. I, Sec. 19)