Any person desiring to occupy any portion of the public streets of the city while engaged in the erection of buildings along the line of either or any of said streets, shall first file an application with the City Clerk for a permit to so occupy the same. Said application shall state the location of the proposed building, the amount of space in the street desired for occupation and length of time to be occupied. It shall be accompanied by an obligation on the part of the applicant to observe the provisions of this code in relation thereto, and to protect the city from any liability to any person or persons on account of accident or damage arising from such occupation, and fully to remove all materials, dirt and rubbish from said occupied space, and to restore the street to its original condition immediately upon the expiration of the period granted in said permit.
('71 Code, § 9-1-11)