1020.17  EXCAVATIONS.
   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.
   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)