Here are the basics of the requirements.
Fixed ladder cage specifications.
Cages must extend 42 inches above the top of the landing.
For existing fixed or permanently mounted ladders that extend 24 feet above a lower level osha developed a timeline to phase out the use of ladder cages as a means of fall protection.
What s changed for fixed ladder standards under osha 1910.
The requirement for a cage comes when you have a fixed ladder longer than 20 feet.
Fixed ladders more than 20 feet 6 1 m in height shall be provided with a cage well or ladder safety device.
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.
A cage or well on a fixed ladder prevents lateral movement containing the individual climbing the ladder and offering the comfort of a surrounding safeguard.
Fixed ladders provide stability when ascending to an elevated work surface because they are fastened to the building or a secure surface.
1917 118 e 2 when a well or cage is used ladders with length of climb exceeding 30 feet 9 14 m shall comply with the following provisions.
For fixed ladders consisting of wood side rails and wood rungs or cleats used at a pitch in the range 75 degrees to 90 degrees and intended for use by no more than one person per section single ladders as described in 1910 25 c 3 ii are acceptable.
All wood parts of fixed ladders shall meet the requirements of 1910 25 b.