Roof Access Ladder Regulations

Here are the basics of the requirements.

Roof access ladder regulations.

These hatches are typically located over a ladder or staircase that provides access to the roof. The regulations say that if a fixed ladder is taller than 20 feet you are required to have a cage which meets all the requirements of 29 cfr 1910 27 d. For parapet ladders the access level is. This is the same height that osha requires for guardrails.

These hatches are generally larger in order to accommodate the installation or removal of equipment or machinery into a building. The new regulations change this requirement dramatically. Through fixed ladders at their point of access egress shall have a step across distance of not less than 7 inches 18 cm nor more than 12 inches 30 cm as measured from the centerline of the steps or rungs to the nearest edge of the landing area. Previously a fixed ladder with a cage required a landing platform at a maximum interval of 30 feet.

Double leaf or two cover roof hatches are also available on the market. Platforms shall be not less than 24 inches in width and 30 inches in length. 1910 23 d 4 i the roof if the parapet is cut to permit passage through the parapet. Cages must extend 42 inches above the top of the landing.

Ladders with cages must now have a landing platform at maximum intervals of 50 feet. 1910 27 d 2 iii one rung of any section of ladder shall be located at the level of the landing laterally served by the ladder. All landing platforms shall be equipped with standard railings and toeboards so arranged as to give safe access to the ladder. The deviation from 90 degrees shall not exceed 6 inches.

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. Fixed ladders without cages must now have a landing platform at maximum intervals of 150 feet.