Fixed ladders shall be provided with cages wells ladder safety devices or self retracting lifelines where the length of climb is less than 24 feet 7 3 m but the top of the ladder is at a distance greater than 24 feet 7 3 m above lower levels.
Osha roof ladder.
Under the new regulations a ladder over 24 feet high will require a personal fall arrest system or ladder safety system.
You can choose any pfas provided it meets the osha requirements in section 1926 502 d.
For starters prior to the new ruling the only real guidance on fixed ladders came from the construction standards osha more 1926 1053 a 18 required the use of cages wells ladder safety devices or self retracting lifelines for fixed ladders of 24 feet or more.
Ladder rungs steps and cleats have a minimum clear width of 11 5 inches 29 cm on portable ladders and 16 inches 41 cm measured before installation of ladder safety systems for fixed ladders except that.
What about landing platforms.
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.