Fall protection requirements for construction workers doing work while on a roof.
Osha required roof parapet holddown.
Midrails when used must be installed midway between the top edge of the guardrail system and the walking working surface 29 cfr 1926 502 b 2 i.
An exception to these measures is that the parapet must be at least 36 inches high and perpendicular to the direction of travel.
Intermediate structural members for example midrails or screens must be installed when there is no wall or parapet wall at least 21 inches high 29 cfr 1926 502 b 2.
1 every building constructed 3 stories or 36 feet or more in height shall have roof tie backs or other permanent devices installed at the roof level for the purpose of securing or tying back suspended scaffold hooks or clamps and safety lines.
For general industry employers must ensure that workers are protected at heights of 4 feet or more 1910 28 b 1 i.
To meet osha requirements in the construction industry employers must provide workers with fall protection whenever they work at heights of six feet or more above a lower level 29 cfr 1926 501 b 1.
The fall protection measures listed above are required for workers who operate felt laying machines or other equipment that is pulled backward no matter the potential fall height.
Top edge height of top rails or equivalent guardrail system members shall be 42 inches 1 1 m plus or minus 3 inches 8 cm above the walking working level.