OSHA Safety Manuals | Flagger Safety on Construction Sites
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construction flagger

Flagger Safety on Construction Sites

Flagger Safety on Construction Sites

As the weather gets nicer, there tends to be an increase in outdoor construction jobs. Many of these construction operations necessitate equipment and worker activity to take place in areas of moving traffic. How can construction site managers insure that their equipment and their workers are protected while working in these traffic areas? How do they know when a flagger should be in place?

According to the Construction Safety Orders, flaggers are required at locations on a construction site where barricades and warning signs cannot control the moving traffic. In these required situations, flaggers must be placed in relation to the equipment or operation so they can give effective warning.

What should a flagger wear? A flagger must wear warning clothes in specific, highly visible colors. They can wear a vest, jacket, or shirt in colors of orange, strong yellow-green or fluorescent versions of these. These garments must be worn rain or shine. If it is dark, the flagger should be wearing reflectorized garments, visible from a minimum distance of 1,000 feet. The flagger’s station should be lit so the flagger will be clearly visible to approaching traffic.

What training is required for a flagger? Before being assigned as a flagger, the individual must be trained in the proper fundamentals of flagging moving traffic. Training, instruction, and signaling directions used by flaggers should conform to the “Manual of Traffic Controls for Construction and Maintenance Work Zones,” published by the State Department of Transportation.

Training should take into account the particular worksite condition and include the following:

  • flagger equipment which must be used
  • the layout of the work zone and flagging station
  • methods to signal traffic to stop, proceed or slow down
  • methods of one-way control
  • trainee demonstration of proper flagging methods
  • how to respond to emergency vehicles traveling through the work zone
  • how to handle emergency situations
  • methods of dealing with hostile drivers
  • flagging procedures when only a single flagger is used

Flaggers must be trained by someone with the qualifications and experience necessary to effectively instruct the employee in the proper fundamentals of flagging moving traffic. And, as with all employee training, it should be documented and kept on file in accordance with the company Injury and Illness Prevention Program (IIPP).