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.
Osha fall protection standard for roof work.
The hoisting storage application and removal of roofing materials and equipment including related insulation sheet metal and vapor barrier work but not including the construction of the roof deck in general osha s fall protection standard 1926 501 requires that each employee on a walking working surface horizontal and vertical.
Each employee on a walking working surface horizontal and vertical surface with an unprotected side or edge which is 6 feet 1 8 m or more above a lower level shall be protected from falling by the use of guardrail systems safety net systems or personal fall arrest systems.
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.
Fall protection requirements falls are the leading cause of work related injuries and deaths among roofers.