Exterior Roof Access Ladder Code

1011 12 stairway to roof.

Exterior roof access ladder code.

Side rails of through or side step fixed ladders must extend 42 inches 1 1 m above the top level or landing platform served by 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. Such stairway shall be marked at street and floor levels with a sign indicating that the stairway continues to the roof. 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.

Parapet ladders must have an access level at the roof if the parapet is cut to permit passage through it. In buildings four or more stories above grade plane one stairway shall extend to the roof surface unless the roof has a slope steeper than four units vertical in 12 units horizontal 33 percent slope. Welding all welding shall be in accordance with the code for welding in building construction awsd1 0 1966. 1910 23 d 4 i the roof if the parapet is cut to permit passage through the parapet.

For parapet ladders the access level is. 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.