It must withstand years of bad weather.
Minmum roof clearances for guardrail.
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.
10 is the minimum distance of a warning line from the edge of the roof perpendicular to the travel of mechanical equipment.
For general industry working at a 4 foot height or a low sloped roof osha requires.
The employer must ensure guardrail systems meet the following requirements.
1910 29 b 13 when guardrail systems are used around holes that serve as points of access such as ladderways the guardrail system opening.
1910 29 b 13 i has a self closing gate that slides or swings away from the hole and is equipped with a top rail and midrail or equivalent intermediate member that meets the requirements in paragraph.
The minimum clearance between handrails and any other object is 2 25 inches 5 7 cm.
Minimum edge distance for mechanical equipment.
A permanent guardrail system.
The height is measured vertically above the walking surface or the line that connects the nosing of a set of stairs.
Between 6 feet and 15 feet from the edge.
6 feet from the edge.
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.
The life of your employees and contractors is based on your fall protection system.
All of the same rules for warning lines as stated above still apply.
This refers specifically to the edge you are driving towards not alongside.
Conventional fall protection guardrail fall restraint or fall arrest system is required.