Roof Access Ladder Requirements

1910 23 d 4 i the roof if the parapet is cut to permit passage through the parapet.

Roof access ladder requirements. 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. 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. 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. Wells must completely encircle 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. 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 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.

The new regulations change this requirement dramatically. Ladders with cages must now have a landing platform at maximum intervals of 50 feet. Fixed ladders without cages must now have a landing platform at maximum intervals of 150 feet. Roof access systems may involve walkthrough rails over parapet platforms and safety gates.

Cages must extend 42 inches above the top of the landing. 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. When regular maintenance is needed for accessing roofs walkways mezzanines and equipment osha compliant systems are required. Bottoms of wells above the point of access.

Inside widths of wells must be at least 30 inches 76 cm. Wells must be free of projections. Here are the basics of the 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.

Previously a fixed ladder with a cage required a landing platform at a maximum interval of 30 feet. Inside faces of wells on the climbing side of the ladder must extend between 27 inches 68 cm and 30 inches 76 cm. For parapet ladders the access level is. Engineered fall protection can design and install customized ladders to suit most any application.