OSHA Ladder Safety – 29 CFR 1926.1053

Ladders are among the most commonly used pieces of equipment in construction, maintenance, manufacturing, warehousing, and other workplaces. Although they provide a simple way to reach elevated areas, improper ladder selection, setup, or use can result in serious falls and injuries.

OSHA ladder safety requirements address ladder design, condition, load capacity, placement, access, and safe use. Construction ladder requirements are primarily found in 29 CFR 1926.1053 – Ladders, within OSHA’s Stairways and Ladders standards.

Common Ladder Hazards

Ladder accidents can occur when a ladder slips, shifts, tips, collapses, or is used improperly. Employees can also fall when they lose their balance while climbing or working from a ladder.

Common ladder hazards include:

• Selecting the wrong ladder for the task.
• Using a ladder that is too short.
• Placing a ladder on an unstable or slippery surface.
• Incorrectly positioning an extension or straight ladder.
• Using damaged or defective ladders.
• Standing too high on a stepladder.
• Overreaching from the ladder.
• Carrying loads that interfere with safe climbing.
• Exceeding the ladder’s load capacity.
• Using conductive ladders near electrical hazards.
• Placing ladders where they may be struck by doors, vehicles, equipment, or people.

Recognizing these hazards before climbing can prevent many ladder-related accidents.

Choosing the Right Ladder

Ladders come in different configurations and load capacities. Common types include:

• Stepladders.
• Straight ladders.
• Extension ladders.
• Platform ladders.
• Job-made ladders.
• Fixed ladders.
• Specialized ladders designed for particular applications.

The appropriate ladder depends on the working height, task, expected load, surrounding conditions, and potential electrical exposure.

A ladder should be long enough to perform the work safely without requiring an employee to stand above the manufacturer’s permitted standing level or improvise additional height with boxes, pallets, or other objects.

Stepladder Safety

Stepladders are self-supporting and should be fully opened with spreaders or locking devices properly engaged before use.

Employees should not stand on the top or top step of a stepladder or use a stepladder in a manner prohibited by its design or manufacturer.

A closed stepladder should not be used as a leaning ladder unless it was specifically designed for that purpose.

Straight and Extension Ladder Safety

Straight and extension ladders depend on another surface for support, making proper angle and placement especially important.

For non-self-supporting ladders, OSHA’s construction standard generally requires the ladder to be positioned so 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. This is commonly called the 4-to-1 ladder rule.

A ladder positioned too steeply may fall backward, while placing the base too far from the supporting surface increases the possibility of the ladder slipping outward.

Ladders Used for Access

Portable ladders are frequently used to reach roofs, platforms, upper floors, and other elevated surfaces.

When a portable ladder is used to access an upper landing surface, its side rails must generally extend at least 3 feet above the landing.

If the ladder cannot extend that distance because of its length, OSHA allows the ladder to be secured at the top to a rigid support that will not deflect and requires a grasping device, such as a grabrail, to assist employees in mounting and dismounting the ladder.

Ladder Stability and Placement

Ladders should be placed on stable and level surfaces unless they are secured or equipped to prevent accidental displacement.

Conditions such as soft soil, gravel, mud, ice, uneven flooring, debris, or slippery surfaces can cause a ladder to shift unexpectedly.

Ladders used in passageways, doorways, driveways, or other locations where workplace activities or traffic could displace them must be secured or protected by a barricade or other appropriate means.

The area around the top and bottom of a ladder should also be kept clear.

Safe Ladder Climbing

Employees should face the ladder while climbing up or down.

OSHA requires employees to use at least one hand to grasp the ladder while progressing up or down and prohibits carrying objects or loads that could cause the employee to lose balance and fall.

Maintaining three points of contact whenever practicable—two hands and one foot or two feet and one hand—is a widely recognized safe ladder practice.

Employees should also avoid excessive reaching. Climbing down and repositioning the ladder is safer than leaning beyond the side rails to reach the work.

Ladder Load Capacity

A ladder must be capable of supporting the loads placed on it.

The total load includes more than the employee’s body weight. Tools, equipment, materials, clothing, and anything else carried or supported by the ladder contribute to the load.

Employees should follow the ladder’s manufacturer markings and duty rating and never exceed its rated capacity.

Ladders and Electrical Hazards

Ladders can create serious electrical hazards when used near energized equipment or overhead power lines.

OSHA requires ladders with nonconductive side rails when employees or ladders could contact exposed energized electrical equipment, subject to applicable requirements.

Metal ladders should not be used where they may contact electrical hazards.

Fiberglass ladders can reduce conductivity hazards, but they do not eliminate the need to identify energized equipment, recognize overhead power lines, and maintain required electrical clearances.

Inspecting Ladders

Ladders should be inspected periodically and after any occurrence that could affect their safe use.

Potential defects include:

• Cracked, split, or bent side rails.
• Broken or missing rungs or steps.
• Damaged feet.
• Loose or missing hardware.
• Defective spreaders or locking devices.
• Damaged extension mechanisms.
• Corrosion or deterioration.
• Oil, grease, or other slippery contamination.

A ladder with structural defects must be immediately marked or tagged “Do Not Use” or with similar language and withdrawn from service until repaired in accordance with OSHA requirements or destroyed.

Fixed Ladders

Fixed ladders are permanently attached to buildings, structures, tanks, equipment, towers, and other installations.

Fixed ladders may be subject to requirements involving climbing clearances, ladder safety systems, personal fall arrest systems, platforms, and fall protection. Requirements vary depending on the industry, ladder configuration, installation date, and height of the climb.

Employers should determine which fixed-ladder requirements apply to the particular installation rather than applying portable-ladder rules to fixed ladders.

Preventing Ladder Accidents

Most ladder accidents can be prevented through proper selection, inspection, setup, and use.

Before climbing, employees should make sure the ladder is appropriate for the task, is in safe condition, has adequate capacity, is properly positioned, and is protected from conditions that could cause it to move.

Employees should climb facing the ladder, maintain a secure grip, avoid carrying loads that could cause a loss of balance, avoid overreaching, and recognize nearby electrical hazards.

For additional regulatory information, see OSHA 29 CFR 1926.1053 – Ladders.

For company-specific requirements covering ladder selection, inspection, setup, employee responsibilities, training, defective equipment, and safe-work procedures, refer to the company’s Ladder and Stairway Safety Program.