The regulations say that if a fixed ladder is taller than 20 feet you are required to have a cage which meets all the requirements of 29 cfr 1910 27 d.
Caged ladder specs.
Here are the implementation details.
Ladders come in sections no longer than 7 feet for easy handling bolt sections together end to end fasteners included.
Fixed ladders provide stability when ascending to an elevated work surface because they are fastened to the building or a secure surface.
Fixed ladders without cages or wells must have at least a 15 inch 38 cm clearance width to the nearest permanent object on each side of the centerline of the ladder.
Here are the basics of the requirements.
Optional security cover prevents unauthorized access.
Constructed of aluminum these caged fixed ladders are lightweight sturdy and non corrosive.
Cages must extend 42 inches above the top of the landing.
Fixed ladders must be provided with cages wells ladder safety devices or self retracting lifelines where the length of climb is less than.
Various options are available for these modular aluminum access ladder systems to ensure every need or safety standard can be met.
The revised ruling establishes a phase out of ladder wells and cages over the next 20 years per osha 1910 128 b 9 i.
Cages start 7 feet above the bottom of the ladder and extend beyond the top rung by 42.
A cage is welded to these ladders for quick installation.
It can be welded or bolted on holes must be drilled to open from the.
In the past osha has required cages for fixed ladders taller than 20 feet but as of january 2017 fall protection is required on fixed ladders taller than or that extend beyond 24 feet.