The gas code requires that there be a clearance of at least six feet between a roof top unit and the.
Minmum roof clearances for guardrail 15 feet.
6 is the minimum distance from the edge of the roof or from a hole in the roof at which you must erect a warning line during roofing work if a warning line is your fall protection of choice.
Specifically we will consider the use of certain physical barriers that fail to meet the criteria for a guardrail a de minimis violation of the guardrail criteria in 1926 502 b where all of the following are met.
6 feet from the edge.
Guards shall be provided where appliance equipment fans roof hatch openings or other components that require service are located within 10 feet of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches above floor roof or grade below.
Between 6 feet and 15 feet from the edge.
For general industry working at a 4 foot height or a low sloped roof osha requires.
When a guardrail is required per the above explanation it must meet a minimum height requirement of no less than 36 inches for it to serve the purpose of minimizing a fall.
Roof edge guard rail 6 ft min.
Conventional fall protection guardrail fall restraint or fall arrest system is required.
According to osha standards this distance should never be more than 1 8 meters 6 ft and is based on the length of the lanyard and the location of the attachment point of the harness where the lanyard is attached to.
Is erected not less than 6 feet 1 8 m from the roof edge for work that is both temporary and infrequent or not less than 15 feet 4 6 m for other work.
Below is a sketch showing a typical arrangement of the minimum clearances.
1910 29 b 14 guardrail systems on ramps and runways are installed along each unprotected side or edge.
Minimum required guardrail height.
Therefore we will apply a de minimis policy for non conforming guardrails 15 or more feet from the edge under certain circumstances.
1910 29 b 15 manila or synthetic rope used for top rails or midrails are inspected as necessary to ensure that the rope continues to meet the strength requirements in paragraphs b 3 and 5 of this section.