Ladder rungs and steps in elevator shafts must be spaced not less than 6 inches 15 cm apart and not more than 16 5 inches 42 cm apart as measured along the ladder side rails.
Osha roof ladder safety.
Ladder safety devices and related support systems for fixed ladders shall conform to all of the following.
The safety monitor is always a competent person 29 cfr 1926 500 b.
And 1910 23 b 2 ii.
1926 1053 a 22 i they shall be capable of withstanding without failure a drop test consisting of an 18 inch 41 cm drop of a 500 pound 226 kg weight.
Under the new regulations a ladder over 24 feet high will require a personal fall arrest system or ladder safety system.
The warning line system shall consist of ropes wires or chains and supporting stanchions 29 cfr 1926 502 f 2.
1926 1053 a 22 ii.
Or on roofs 50 feet 15 25 m or less in width the use of a safety monitoring system alone is permitted 29 cfr 1926 501 b 10.
To protect the worker exiting a ladder osha requires a 42 inch high grab bar extension above the access level or landing platform at the top of the ladder.
Per osha 1910 23 d 4 the side rails of through or sidestep ladders must extend 42 inches above the top of the access level or landing platform served by the ladder.
You can choose any pfas provided it meets the osha requirements in section 1926 502 d.
What about landing platforms.