The minimum perpendicular clearance between the center line of fixed ladder rungs cleats and steps and any obstruction on the climbing side of the ladder shall be 30 inches 76 cm except as provided in paragraph a 15 of this section.
Osha roof ladder requirements.
Although a current osha requirement our fall protection inspection teams see ladders that do not pass the simple climbing width regulation of a minimum of 16 inches.
Per osha 1910 23 b 4 ladder rungs steps and cleats have a minimum clear width of 16 inches measured before installation of ladder safety systems for fixed ladders.
Wells must be free of projections.
The requirements for wells for fixed ladders are as follows.
Wells must completely encircle the ladder.
The minimum perpendicular distance from the centerline of the steps or rungs or grab bars or both to the nearest permanent object in back of the ladder is 7 inches 18 cm except for elevator pit ladders which have a minimum perpendicular distance of 4 5 inches 11 cm.
Installing fall protection personal fall arrest systems ladder safety systems cages wells on existing fixed ladders over 24 feet that do not have any fall protection by november 19 2018.
Under the new regulations a ladder over 24 feet high will require a personal fall arrest system or ladder safety system.
You can choose any pfas provided it meets the osha requirements in section 1926 502 d.
What about landing platforms.