It shall be the duty of every person cutting or making an excavation in or upon any public place to place and maintain barriers and warning devices necessary for the safety of the general public.
(A) Barriers, warning signs and lights shall conform to the requirements of all applicable provisions of this chapter. Warning lights shall be electrical markers or flashers used to indicate a hazard to traffic from sunset of each day to sunrise of the next day.
(B) Electrical markers or flashers shall emit light at sufficient intensity and frequency to be visible at a reasonable distance for safety. Reflectors or reflecting material may be used to supplement, but not to replace light sources.
(C) (1) The permittee shall take appropriate measures to assure that during the performance of the excavation work, traffic conditions as nearly normal as possible shall be maintained at all times so as to minimize inconvenience to the occupants of the adjoining property and to the general public. When traffic conditions permit, the Street Superintendent may, by written approval, permit the closing of streets and alleys to all traffic for a period of time prescribed by him or her if, in his or her opinion, it is necessary. Such written approval may require that the permittee give notification to various public agencies and to the general public.
(2) In such cases, such written approval shall not be valid until such notice is given.
(D) Warning signs shall be placed far enough in advance of the construction operation to alert traffic within a public street and cones or other approved devices shall be placed to channel traffic in accordance with the instructions of the Street Superintendent.
(2007 Code, § 33-4-10)