Osha Roof Hatch Size Requirements

All open roof hatches regardless of size or number of covers can present fall hazards.

Osha roof hatch size requirements.

A common size of roof hatch is 36 x 30 for ladder access to the roof however that size does not meet this osha standard. The occupational health and safety administration osha has established safety regulations for protecting roof openings. Roof hatches or scuttles are designed to provide roof access for workers and equipment. To provide adequate clearance for emergency personnel and protect workers from injury while using the hatch osha specifies a minimum clearance of 30 between the centerline of the ladder rungs to the back edge hinged side of the hatch opening.

When a hatch is left in the open position personnel working atop a roof can lose their footing trip over the hatch s curb or even step backward into the areaway without looking thereby sustaining debilitating or even fatal injuries. Grab bars not required at hatch exits. This article will discuss types of roof openings relevant osha standards and how to comply with regulations. Handrails with a circular cross section shall have an outside diameter of not less than 1 1 4 inches 32mm and not greater than 2 inches 51mm.

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