OSHA construction stairways and ladders study guide
Subpart X of OSHA's construction rules (29 CFR 1926.1050 to 1926.1060) covers stairways and ladders on construction sites: when one must be provided, how stairways and ladders must be built, how ladders must be used, and what training employees need. This guide sets out what the regulation text states, point by point. Every point links to the section it comes from, with the exact words quoted.
Scope and key definitions
Subpart X applies to all stairways and ladders used in construction, alteration, repair (including painting and decorating) and demolition workplaces covered by 29 CFR Part 1926. It also says, in specified circumstances, when ladders and stairways must be provided.
“This subpart applies to all stairways and ladders used in construction, alteration, repair (including painting and decorating), and demolition workplaces covered under 29 CFR part 1926, and also sets forth, in specified circumstances, when ladders and stairways are required to be provided.”
29 CFR 1926.1050, Scope, application, and definitions applicable to this subpart
Ladders used on or with scaffolds have additional requirements in Subpart L (Scaffolds). Subpart X does not apply to integral components of equipment covered by Subpart CC.
“Additional requirements for ladders used on or with scaffolds are contained in subpart L—Scaffolds. This subpart does not apply to integral components of equipment covered by subpart CC.”
29 CFR 1926.1050, Scope, application, and definitions applicable to this subpart
A job-made ladder is one fabricated by employees, typically at the construction site, and not commercially manufactured. The definition does not cover individual-rung/step ladders.
“Job-made ladder means a ladder that is fabricated by employees, typically at the construction site, and is not commercially manufactured. This definition does not apply to any individual-rung/step ladders.”
29 CFR 1926.1050, Scope, application, and definitions applicable to this subpart
Maximum intended load is the total load of all employees, equipment, tools, materials, transmitted loads and other loads expected on a ladder component at any one time.
“Maximum intended load means the total load of all employees, equipment, tools, materials, transmitted loads, and other loads anticipated to be applied to a ladder component at any one time.”
29 CFR 1926.1050, Scope, application, and definitions applicable to this subpart
On a stairway, a side or edge is unprotected where there is no stairrail system or wall 36 inches or more high. On a stairway landing or ladder platform, it is unprotected where there is no wall or guardrail system 39 inches or more high. Entrances to points of access are excepted.
“Unprotected sides and edges means any side or edge (except at entrances to points of access) of a stairway where there is no stairrail system or wall 36 inches (.9 m) or more in height, and any side or edge (except at entrances to points of access) of a stairway landing, or ladder platform where there is no wall or guardrail system 39 inches (1 m) or more in height.”
29 CFR 1926.1050, Scope, application, and definitions applicable to this subpart
When a stairway or ladder is required
A stairway or ladder must be provided at every personnel point of access with a break in elevation of 19 inches or more, unless a ramp, runway, sloped embankment or personnel hoist is provided.
“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.”
Employees may not use spiral stairways that will not be a permanent part of the structure being worked on.
“Employees shall not use any spiral stairways that will not be a permanent part of the structure on which construction work is being performed.”
A double-cleated ladder or two or more separate ladders must be provided when ladders are the only way in or out of a working area for 25 or more employees, or when a ladder is to serve two-way traffic at the same time.
“A double-cleated ladder or two or more separate ladders shall be provided when ladders are the only mean of access or exit from a working area for 25 or more employees, or when a ladder is to serve simultaneous two-way traffic.”
If a building or structure has only one point of access between levels, it must be kept clear for free passage. If work or equipment restricts free passage there, a second point of access must be provided and used.
“When a building or structure has only one point of access between levels, that point of access shall be kept clear to permit free passage of employees. When work must be performed or equipment must be used such that free passage at that point of access is restricted, a second point of access shall be provided and used.”
Employers must provide and install all stairway and ladder fall protection systems this subpart requires before employees begin the work that needs the stairways or ladders.
“Employers shall provide and install all stairway and ladder fall protection systems required by this subpart and shall comply with all other pertinent requirements of this subpart before employees begin the work that necessitates the installation and use of stairways, ladders, and their respective fall protection systems.”
Stairways
Stairways that will not be a permanent part of the structure must have landings at least 30 inches deep in the direction of travel and at least 22 inches wide, at every 12 feet or less of vertical rise.
“Stairways that will not be a permanent part of the structure on which construction work is being performed shall have landings of not less than 30 inches (76 cm) in the direction of travel and extend at least 22 inches (56 cm) in width at every 12 feet (3.7 m) or less of vertical rise.”
Stairs must be installed between 30° and 50° from horizontal.
“Stairs shall be installed between 30° and 50° from horizontal.”
Riser height and tread depth must be uniform within each flight of stairs, and variations may not be over 1/4 inch in any stairway system.
“Riser height and tread depth shall be uniform within each flight of stairs, including any foundation structure used as one or more treads of the stairs. Variations in riser height or tread depth shall not be over 1⁄4-inch (0.6 cm) in any stairway system.”
Where doors or gates open directly on a stairway, a platform is required, and the door swing may not reduce the platform's effective width to less than 20 inches.
“Where doors or gates open directly on a stairway, a platform shall be provided, and the swing of the door shall not reduce the effective width of the platform to less than 20 inches (51 cm).”
All parts of stairways must be free of hazardous projections, such as protruding nails.
“All parts of stairways shall be free of hazardous projections, such as protruding nails.”
Except during stairway construction, foot traffic is prohibited on pan stairs whose treads or landings will be filled in later, unless the stairs are temporarily fitted with wood or other solid material at least to the top edge of each pan.
“Except during stairway construction, foot traffic is prohibited on stairways with pan stairs where the treads and/or landings are to be filled in with concrete or other material at a later date, unless the stairs are temporarily fitted with wood or other solid material at least to the top edge of each pan.”
Stairways with four or more risers or rising more than 30 inches, whichever is less, must have at least one handrail and one stairrail system along each unprotected side or edge.
“Stairways having four or more risers or rising more than 30 inches (76 cm), whichever is less, shall be equipped with: (i) At least one handrail; and (ii) One stairrail system along each unprotected side or edge.”
Stairrails installed after March 15, 1991 must be at least 36 inches high, measured from the top of the stairrail to the tread surface in line with the face of the riser at the forward edge of the tread.
“Stairrails installed after March 15, 1991, shall be not less than 36 inches (91.5 cm) from the upper surface of the stairrail system to the surface of the tread, in line with the face of the riser at the forward edge of the tread.”
Handrails must be no more than 37 inches and no less than 30 inches high, measured from the upper surface of the handrail to the surface of the tread.
“The height of handrails shall be not more than 37 inches (94 cm) nor less than 30 inches (76 cm) from the upper surface of the handrail to the surface of the tread”
Handrails and stairrail top rails must withstand, without failure, a force of at least 200 pounds applied within 2 inches of the top edge, in any downward or outward direction, at any point along the top edge.
“Handrails and the top rails of stairrail systems shall be capable of withstanding, without failure, a force of at least 200 pounds (890 n) applied within 2 inches (5 cm) of the top edge, in any downward or outward direction, at any point along the top edge.”
Ladder construction and loads
Each self-supporting portable ladder must support at least four times the maximum intended load without failure; an extra-heavy-duty type 1A metal or plastic ladder must sustain at least 3.3 times.
“Each self-supporting portable ladder: At least four times the maximum intended load, except that each extra-heavy-duty type 1A metal or plastic ladder shall sustain at least 3.3 times the maximum intended load.”
In the load rule for each fixed ladder (1926.1053(a)(1)(iii)), each step or rung must be able to support a single concentrated load of at least 250 pounds applied in the middle of the step or rung.
“Each step or rung shall be capable of supporting a single concentrated load of at least 250 pounds (114 kg) applied in the middle of the step or rung.”
Rungs, cleats and steps of portable ladders (except as the rule provides otherwise) and of fixed ladders, including individual-rung/step ladders, must be spaced 10 to 14 inches apart, measured between center lines.
“Rungs, cleats, and steps of portable ladders (except as provided below) and fixed ladders (including individual-rung/step ladders) shall be spaced not less than 10 inches (25 cm) apart, nor more than 14 inches (36 cm) apart, as measured between center lines of the rungs, cleats, and steps.”
The minimum clear distance between the side rails of fixed ladders (and between the sides of individual-rung/step ladders) is 16 inches.
“The minimum clear distance between the sides of individual-rung/step ladders and the minimum clear distance between the side rails of other fixed ladders shall be 16 inches (41 cm).”
Each stepladder must have a metal spreader or locking device to hold the front and back sections open while the ladder is used.
“A metal spreader or locking device shall be provided on each stepladder to hold the front and back sections in an open position when the ladder is being used.”
Where the total length of climb on a fixed ladder equals or exceeds 24 feet, the ladder must have one of these: ladder safety devices; or self-retracting lifelines with rest platforms at intervals of no more than 150 feet; or a cage or well with multiple ladder sections of no more than 50 feet each.
“Where the total length of a climb equals or exceeds 24 feet (7.3 m), fixed ladders shall be equipped with one of the following: (i) Ladder safety devices; or (ii) Self-retracting lifelines, and rest platforms at intervals not to exceed 150 feet (45.7 m); or (iii) A cage or well, and multiple ladder sections, each ladder section not to exceed 50 feet (15.2 m) in length.”
Not covered here
Detailed fixed-ladder dimensions (cages, wells, ladder safety device drop tests, mountings, rail extensions at the top), and the national consensus standards named in Subpart X's non-mandatory Appendix A, whose content is not part of the regulation text. We only write what an official source states, so study these parts with your certifying program's materials.
Using ladders
When a portable ladder is used to reach an upper landing surface, its side rails must extend at least 3 feet above that surface. If the ladder is too short for that, it must be secured at the top to a rigid support that will not deflect, and a grasping device such as a grabrail must be provided.
“When portable ladders are used for access to an upper landing surface, the ladder side rails shall extend at least 3 feet (.9 m) above the upper landing surface to which the ladder is used to gain access; or, when such an extension is not possible because of the ladder's length, then the ladder shall be secured at its top to a rigid support that will not deflect, and a grasping device, such as a grabrail, shall be provided to assist employees in mounting and dismounting the ladder.”
Ladders may not be loaded beyond the maximum intended load they were built for, nor beyond the manufacturer's rated capacity.
“Ladders shall not be loaded beyond the maximum intended load for which they were built, nor beyond their manufacturer's rated capacity.”
A non-self-supporting ladder must be set so the horizontal distance from the top support to the foot is about one-quarter of the working length (the distance along the ladder from the foot to the top support).
“Non-self-supporting ladders shall be used at an angle such that the horizontal distance from the top support to the foot of the ladder is approximately one-quarter of the working length of the ladder (the distance along the ladder between the foot and the top support).”
Ladders may be used only on stable and level surfaces unless secured to prevent accidental displacement.
“Ladders shall be used only on stable and level surfaces unless secured to prevent accidental displacement.”
Ladders may not be moved, shifted or extended while occupied.
“Ladders shall not be moved, shifted, or extended while occupied.”
Ladders must have nonconductive siderails if the employee or the ladder could contact exposed energized electrical equipment, except as provided in 1926.955(b) and (c).
“Ladders shall have nonconductive siderails if they are used where the employee or the ladder could contact exposed energized electrical equipment, except as provided in § 1926.955(b) and (c) of this part.”
The top or top step of a stepladder may not be used as a step.
“The top or top step of a stepladder shall not be used as a step.”
A competent person must inspect ladders for visible defects periodically and after any occurrence that could affect their safe use.
“Ladders shall be inspected by a competent person for visible defects on a periodic basis and after any occurrence that could affect their safe use.”
Portable ladders with structural defects (such as broken or missing rungs, cleats or steps, broken or split rails, or corroded components) must be immediately marked as defective or tagged "Do Not Use" (or similar) and withdrawn from service until repaired.
“Portable ladders with structural defects, such as, but not limited to, broken or missing rungs, cleats, or steps, broken or split rails, corroded components, or other faulty or defective components, shall either be immediately marked in a manner that readily identifies them as defective, or be tagged with "Do Not Use" or similar language, and shall be withdrawn from service until repaired.”
Single-rail ladders may not be used.
“Single-rail ladders shall not be used.”
When going up or down a ladder, the user must face the ladder.
“When ascending or descending a ladder, the user shall face the ladder.”
Training
The employer must provide a training program, as necessary, for each employee using ladders and stairways, so each one can recognize ladder and stairway hazards and knows the procedures to minimize them.
“The employer shall provide a training program for each employee using ladders and stairways, as necessary. The program shall enable each employee to recognize hazards related to ladders and stairways, and shall train each employee in the procedures to be followed to minimize these hazards.”
Training must be given by a competent person and cover, as applicable: fall hazards in the work area, procedures for erecting, maintaining and disassembling fall protection systems, proper construction, use, placement and care of stairways and ladders, the maximum intended load-carrying capacities of the ladders used, and the standards in Subpart X.
“The employer shall ensure that each employee has been trained by a competent person in the following areas, as applicable: (i) The nature of fall hazards in the work area; (ii) The correct procedures for erecting, maintaining, and disassembling the fall protection systems to be used; (iii) The proper construction, use, placement, and care in handling of all stairways and ladders; (iv) The maximum intended load-carrying capacities of ladders used; and (v) The standards contained in this subpart.”
Retraining must be provided as necessary so each employee keeps the understanding and knowledge gained from the training.
“Retraining shall be provided for each employee as necessary so that the employee maintains the understanding and knowledge acquired through compliance with this section.”
Sources
- eCFR: 29 CFR 1926.1050, Scope, application, and definitions applicable to this subpart (as of Nov 3, 2026)Checked November 5, 2026
- eCFR: 29 CFR 1926.1051, General requirements (as of Nov 3, 2026)Checked November 5, 2026
- eCFR: 29 CFR 1926.1052, Stairways (as of Nov 3, 2026)Checked November 5, 2026
- eCFR: 29 CFR 1926.1053, Ladders (as of Nov 3, 2026)Checked November 5, 2026
- eCFR: 29 CFR 1926.1060, Training requirements (as of Nov 3, 2026)Checked November 5, 2026
Other OSHA Construction study guides: Introduction to OSHA, Fall protection, Scaffolds, Electrical safety, Excavations, Personal protective equipment, Health hazards, Hazard communication, Respirable crystalline silica, Welding and cutting, General safety and health