A. Barriers, Warning Devices: 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 safety of the general public.

B. Conformance; Warning Lights: Barriers, warning signs, lights, etc., shall conform to the requirements of the manual on uniform traffic control devices (MUTCD) and the public works encroachment officer. Warning lights shall meet MUTCD standards to indicate a hazard to traffic from sunset of each day to sunrise of the next day.

C. Emission Of Light: Electrical markers or flashers shall emit light at sufficient intensity and frequency to be visible at a reasonable distance for safety. Reflectors and reflecting materials shall be used to supplement, but not replace, light sources.

D. Traffic: The permittee shall take appropriate measures to assure that during the performance of the excavation work, traffic conditions as near 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 public works encroachment officer may by written approval, permit closing of streets and alleys to all traffic for a period of time prescribed by him, if in his opinion it is necessary. Such written approval may require that the permittee give notification to various public agencies and to the general public. In such cases, such written approval shall not be valid until such notice is given.

E. Advance Warning: Warning signs shall meet MUTCD standards and 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 public works encroachment officer. (Ord. 79-5-4, 5-3-1979; amd. 2003 Code)