A. It shall be the duty of every person, cutting or making an excavation in or upon any public place, to place and maintain such barriers and warning devices necessary for safety as specified by the State Division of Highways’ publication "Manual of Warning Signs, Lights, and Devices for Use in Performance of Work upon Highways."

B. Barriers shall meet the requirements of the administrative authority. Warning lights shall be flares, torches, lanterns, electrical markers or flashers used to indicate a hazard to traffic from sunset of each day to sunrise of the next day. Torches shall be open-wick or flame flares or bombs generally used in connection with roadway repairs or construction and operating on kerosene or similar fluid. Lanterns shall be kerosene or a similar fluid. Burning lanterns shall have clear red or ruby globes. 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 replace, light sources. (Ord. 106 §14, 1961).