The warning line system shall consist of ropes wires or chains and supporting stanchions 29 cfr 1926 502 f 2.
Roof warning line requirements.
1926 502 f 2 i the rope wire or chain shall be flagged at not more than 6 foot 1 8 m intervals with high visibility material.
When mechanical equipment is being used the warning line shall be erected not less than 6 feet 1 8 meters from the roof edge parallel to the direction of mechanical equipment operation and not less than 10 feet 3 meters from the roof edge perpendicular to the direction of mechanical equipment operation.
The traffix devices roof edge delineator warning line meets or exceeds the requirements in 1926 502 f 2.
Warning lines and machinery.
A warning line is used 15 or more from the edge.
A warning line is used 15 feet or more from the edge or nearest edge of a hole.
1926 502 a 1926 502 a 1 1926 502 a 2 1926 502 b.
Occupational safety and health administration.
The safety monitor is always a competent person 29 cfr 1926 500 b.
1926 502 f 1 ii when mechanical equipment is being used the warning line shall be erected not less than 6 feet 1 8 m from the roof edge which is parallel to the direction of mechanical equipment operation and not less than 10 feet 3 1 m from the roof edge which is perpendicular to the direction of mechanical equipment operation.
2 warning lines consisting of rope wire or similar material flagged with highly visible material hanging from the warning lines at approximately 6 foot intervals shall be installed 34 to 45 inches above the roof surface to warn employees that they are approaching the edge of the roof.
Or on roofs 50 feet 15 25 m or less in width the use of a safety monitoring system alone is permitted 29 cfr 1926 501 b 10.
Occupational safety and health administration.
No work or work related activity is to take place in the area between the warning line and the hole.