Ladder Extend Above Roof
When you re working with an extension ladder for roofing you need it to extend at least three feet above the roof line.
Ladder extend above roof. The side rails of ladders shall extend at least 36 inches 0 91 m above the top landing surface unless grab bars or equivalent holds are provided. Instead hold onto the ladder with both hands and step around the ladder and onto the roof. Parapet ladders must have an access level at the roof if the parapet is cut to permit passage through it. When portable ladders are used for access to an upper landing surface the ladder side rails shall extend at least 3 feet 9 m above the upper landing surface to which the ladder is used to gain access.
1917 118 d 7 ladders whose pitch exceeds 90 degrees to the horizontal slanting backward on the climbing side shall not be used. For access to an elevated work surface erect ladders so that a minimum of 1 m 3 ft extends above a landing platform. Brace or tie off the ladder near the base. A ladder top should extend at least above the roof edge of a building when used as access to the roof of a building.
This gives the ladder some leeway and will help keep it from moving out of place as you re climbing. 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. When you get off the roof take the same approach holding onto the ladder and stepping around it instead of over the top. Use care when getting on and or off the ladder at the top or bottom in order to avoid tipping the ladder over sideways or causing the ladder base to slide.
Tie the top at support points. Or when such an extension is not possible because of the ladder s length then the ladder shall be secured at its top to a rigid support that will not deflect and a grasping device such as a grabrail shall be provided to assist employees in mounting and dismounting the ladder. This is much more than most people will realize but a full three feet or 36 inches is necessary for a safe ladder set up. 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.
If the parapet is continuous the access level is the top of the parapet. Or when such an extension is not possible because of the ladder s length then the ladder shall be secured at its top to a rigid support that will not deflect and a grasping device such as a grabrail shall be provided to assist employees in mounting and dismounting the ladder. 1910 23 d 4 i the roof if the parapet is cut to permit passage through the parapet. 36 when someone is working on a ladder it should whenever possible be secured at the top.
Remember it should extend at least 3 feet above the roof s edge. For parapet ladders the access level is.