(1) Whenever new construction work or repair work is under way upon a street or part of a street, the contractor or person directly in charge of the construction or repair work, with the consent of the designated city official, may close the street or part of a street to public traffic whenever the street, by reason of the construction work or repair work, is made dangerous for public traffic. They may also close the street or part of a street to public traffic, whenever such closing is necessary to properly carry on the work of construction or repair, and the street or part of a street shall remain closed during the period of work.

(2) Whenever a street or a part of a street is closed, the contractor or person directly in charge of the work shall construct and maintain at either end of the construction work and other places as the city may direct, proper and suitable barriers and No Parking signs and legend approved by the traffic engineering division of the city, 24 hours in advance of the proposed closure notifying the public of the construction work, and that the street or part of a street is closed to public traffic and closed to parking. In the event a motor vehicle shall be found standing or parked within the street or part of a street 24 hours after the posting of the barriers and signs, in violation and contrary to the provisions of this section, the motor vehicle shall be given a citation and may be impounded under sections 5.695 and 5.697, and the administrative rules issued thereunder.

(3) When a street is closed, no person shall remove, break down, ride or drive over any barrier erected as provided in this code or travel over the street with a vehicle, bicycle, animal, or on foot on a part of the street where work is being performed.

(4) Whenever a street or streets are to be closed for the purposes of moving buildings or other associated type moves, the contractor, or person directly in charge of the moving operation shall post “No Parking” signs and legend approved by the department 24 hours in advance of the proposed closure, notifying the public of the moving operation and that the street or streets are closed to public traffic and public parking. When the signing is completed the department shall inspect the street or streets to be closed and determine if the proper signs have been posted in compliance herewith. In the event that a motor vehicle shall be found standing or parked within the street or streets 24 hours after the posting of the signs, in violation and contrary to the provisions of this section, the motor vehicle shall be given a citation and may be impounded under sections 5.695 and 5.697, and the administrative rules adopted thereunder.