OSHA ladders and stairways in construction (29 CFR 1926 Subpart X) explained: the 19-inch rule, ladder setup and loads, stair rails, inspections and training.
Regulatory citation: 29 CFR Part 1926, Subpart X, Stairways and Ladders (1926.1050 to 1926.1060)
Subpart X covers stairways and ladders used in construction, alteration, repair, painting, decorating and demolition work. It sets out when a stairway or ladder must be provided, how ladders must be built, set up and used, how temporary and permanent stairs must be guarded, and what training workers need. Ladders used on or with scaffolds are also subject to Subpart L, and ladders built into equipment covered by Subpart CC (cranes and derricks) are handled under that subpart.
Falls from ladders and stairs are a leading cause of serious injury on construction sites. Many happen from low heights with damaged, misused or poorly placed ladders.
A stairway or ladder must be provided at every personnel point of access where there is a break in elevation of 19 inches or more, unless a ramp, runway, sloped embankment or personnel hoist is provided. Where ladders are the only way in or out of a work area for 25 or more employees, or must handle two-way traffic at once, a double-cleated ladder or two or more separate ladders are required.
Required stairways, ladders and their fall protection systems must be in place before employees begin the work that needs them. A single point of access between levels must be kept clear, or a second one provided.
Portable ladders must support at least four times their maximum intended load, or 3.3 times for extra-heavy-duty Type 1A metal or plastic ladders. Fixed ladders must support two 250-pound loads between consecutive attachments, and each rung or step must hold at least 250 pounds applied at its center.
When a portable ladder is used to reach an upper landing, its side rails must extend at least 3 feet above the landing. If that is not possible, the ladder must be secured at the top and a grab device provided. Non-self-supporting ladders are set so the base is about one-quarter of the working length away from the wall. Workers must face the ladder and keep one hand on it. Single-rail ladders are banned.
Fixed ladders with a climb of 24 feet or more need a ladder safety device, self-retracting lifelines with rest platforms, or a cage or well with offset sections and landing platforms.
Stairways with four or more risers, or rising more than 30 inches, whichever is less, need at least one handrail and a stair rail along each unprotected side or edge. Stair rails installed after March 15, 1991 must be at least 36 inches high, handrails must be 30 to 37 inches high, and both must withstand 200 pounds of force. Temporary stairs need landings at least every 12 feet of vertical rise, and slippery conditions must be fixed before use.
A competent person must inspect ladders periodically and after any event that could affect safe use. Defective portable ladders must be tagged "Do Not Use" or similarly marked and removed from service. Each employee who uses ladders and stairways must be trained by a competent person on fall hazards, proper ladder use and care, load capacities and the Subpart X rules, with retraining as needed.
Crews check rails, rungs, feet and spreaders before each use and tag out damaged ladders.
Supervisors match ladder type and duty rating to the task, using nonconductive side rails near energized equipment.
Stair towers and ramps are planned early rather than relying on ad hoc ladders.
A framing crew uses an extension ladder to reach a second-floor deck. The site lead notices the ladder stops level with the deck edge. The crew resets it so the rails extend 3 feet above the deck and ties it off at the top. A stepladder with a bent spreader is tagged "Do Not Use".
Related regulations: OSHA fall protection, OSHA scaffold requirements, OSHA cranes and derricks in construction.
Whenever there is a break in elevation of 19 inches or more at a personnel point of access, unless a ramp, runway, sloped embankment or personnel hoist is provided instead.
A competent person must inspect them periodically and after any occurrence that could make them unsafe. No fixed interval is set.
No. Retraining must be given as needed so workers keep the required knowledge.
This guide is for general information only and is not legal advice. Always check the current text of the regulation with the relevant regulator.
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