(a)   Sidewalk Obstructions.  No person shall occupy any street with any materials or machinery incidental to the construction, demolition or repair of any building adjacent to said street, or for any other purpose, without first obtaining a permit from the City Manager. No permit shall be granted until the applicant shall post a cash deposit of one hundred dollars ($100.00) and file a liability insurance policy as required by Section 1020.03.
(Adopting Ordinance)
   (b)   Pedestrian Passage.  At least six feet of sidewalk space shall be kept clean and clear for the free passage of pedestrians, and if the building operations are such that such free passageway is impracticable, a temporary plank sidewalk with substantial railings or sidewalk shelter shall be provided around such obstruction.
(1981 Code § 4.21)