This is important because the osha definition is used as a basis for implementing low slope fall protection measures such as warning line systems and safety monitors.
Roof monitor osha.
29 cfr 1926 500 defines low slope roof as a roof having a slope less than or equal to 4 in 12 vertical to horizontal 29 cfr 1926 501 b 10 allows the use of a safety monitor on a low slope roof.
Osha occupational safety and health administration is a us government agency regulating workplace safety.
The monitor must be on the same roof as and be able to visibly observe all other employees for whom he she is responsible and must also be close enough to verbally communicate with the employees.
The warning line system shall consist of ropes wires or chains and supporting stanchions 29 cfr 1926 502 f 2.
The safety monitor is always a competent person 29 cfr 1926 500 b.
If you are a roofing contractor in the united states with at least one employee you are required to abide by osha safety standards.
If you work alone you are not required to abide by osha standards.
Osha defines a low slope roof as a roof having a slope of less than or equal to 4 inches of vertical rise for every 12 inches horizontal length 4 12 1926 500 b definitions.
Aerial lifts may be used to transport personnel so long as the requirements in 29 cfr 1926 453 which cover aerial lifts are met.
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.