Here s an osha booklet on stairs and ladders.
Osha roof access requirements.
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.
Osha requires that this distance be no greater than 3 5 feet 29 cfr 1926 502 d 16 iv but it may be less for some pfas equipment.
When unavoidable obstructions are encountered the minimum clearance at the obstruction may be reduced to 24 inches 61 cm provided deflector plates are installed see figure d 5 of this section.
While they provide great convenience to building personnel unattended roof hatches left in the open position can be dangerous.
Unprotected openings in roofs could therefore be cited under the general duty clause of the occupational safety and health act which requires an employer to provide a workplace free from recognized hazards.
How far the d ring shifts and the harness stretches when it supports the full weight of a fallen worker including the weight of tool belts and other attached equipment or tools.
A stairway or ladder shall be provided at all personnel points of access where there is a break in elevation of 19 inches 48 cm or more and no ramp runway sloped embankment or personnel hoist is provided.
1910 23 c 1 additional fall protection requirements for concrete trucks when work platforms are equipped with guardrails and toeboards.
They are present on most nonresidential buildings.
Fixed ladders must be able to support at least two loads of 250 pounds 114 kg each concentrated between any two.
Roof hatches known sometimes as roof scuttles are designed to allow workers safe access to roof areas for hvac equipment maintenance roof renovations etc.
Then the roofing contractor needs to provide safe working for the roofing workers.
Each step or rung of a fixed ladder must be able to.
A minimum perpendicular distance of 30 inches 76 cm from the centerline of the steps or rungs to the nearest object on the climbing side.
12 16 2003 1910 23 c 1 fall protection requirements when working from ladders in the telecommunications industry 05 23 2005.
In this case the architect would not provide anything.
Individual rung step ladders must extend at least 42 inches 1 1 m above an access level or landing platform either by.
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.