9-1-3: USE OF STREETS AND SIDEWALKS:
   A.   Street Use: The use of streets for the storage of materials in the process of construction or alteration of a building or structure may be granted where the same will not unduly interfere with traffic and will not reduce the usable width of the roadway to less than eighteen feet (18'); no portion of the street other than that directly abutting on the premises on which work is being done shall be used excepting with the consent of the owner or occupant of the premises abutting on said portion. Any person seeking to make such use of the street shall file an application for a permit therefor with the City Clerk, together with a bond with sureties to be approved by the City Clerk to indemnify the City for any loss or damage which may be incurred by such occupation. (1964 Code § 303)
   B.   Sidewalk Obstruction, Removal: No sidewalk shall be obstructed in the course of building construction or alteration without a special permit from the City Clerk; and whenever removal of a sidewalk is required in such work, a special permit from the City Clerk shall be obtained. (1964 Code § 305)