Roof Access Ladder Requirements

Exterior stairs shall terminate at the roof access point or at a level landing of at least 8 square feet 0 74 m 2 with a minimum dimension of 20 inches 508 mm.

Roof access ladder requirements.

Wells must be free of projections. Engineered fall protection can design and install customized ladders to suit most any application. 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. 24 inches this extension above the access level must be at least 24 inches wide to accommodate the width of climber s body and not more than 30 inches of clearance allowing the climber to easily reach both hand rails.

The new regulations change this requirement dramatically. Roof access systems may involve walkthrough rails over parapet platforms and safety gates. Cages must extend 42 inches above the top of the landing. When a roof access hatch or scuttle is located within 10 feet 3 0 m of a roof edge a guard shall be installed in accordance with imc section 304 11.

Here are the basics of the requirements. 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. 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. 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.

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. Inside widths of wells must be at least 30 inches 76 cm. Fixed ladders without cages must now have a landing platform at maximum intervals of 150 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. Bottoms of wells above the point of access. Previously a fixed ladder with a cage required a landing platform at a maximum interval of 30 feet. All landing platforms shall be equipped with standard railings and toeboards so arranged as to give safe access to the ladder.

Inside faces of wells on the climbing side of the ladder must extend between 27 inches 68 cm and 30 inches 76 cm. Ladders with cages must now have a landing platform at maximum intervals of 50 feet. The requirement for a cage comes when you have a fixed ladder longer than 20 feet. When regular maintenance is needed for accessing roofs walkways mezzanines and equipment osha compliant systems are required.