Individual rung step ladders must extend at least 42 inches 1 1 m above an access level or landing platform either by.
Roof access ladder code requirements.
1910 23 d 4 i the roof if the parapet is cut to permit passage through the parapet.
Smooth walled wells shall be a minimum of 27 inches from the centerline of rungs to the well wall on the climbing side of the ladder.
For parapet ladders the access level is.
Where other obstructions on the climbing side of the ladder exist there shall be a minimum of 30 inches from the center line of the rungs.
The side rails of through or sidestep ladders extend at least 42 inches 1 1 m above the top of the access level or landing platform served by the ladder.
The new regulations change this requirement dramatically.
Smooth walled wells shall be a minimum of 27 inches and a maximum of 30 inches from the center line of rungs to the well wall on the climbing side of the ladder.
Previously a fixed ladder with a cage required a landing platform at a maximum interval of 30 feet.
1926 1053 a 24 the side rails of through or side step fixed ladders shall extend 42 inches 1 1 m above the top of the access level or landing platform served by the ladder.
Fixed ladders must be able to support at least two loads of 250 pounds 114 kg each concentrated between any two.
Where other obstructions on the climbing side of the ladder exist there shall be a minimum of 30 inches from the centerline of the rungs.
Ladders with cages must now have a landing platform at maximum intervals of 50 feet.
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.