12 Aug Scissor Lift Operation – JSA

Scissor Lift Operation Job Safety Analysis (JSA)

Job / Task

Inspection, setup, travel, positioning, elevation, operation, and shutdown of scissor lifts used to elevate employees, tools, and materials for construction, maintenance, installation, inspection, repair, and related work.

Purpose

This Job Safety Analysis (JSA), also known as a Job Hazard Analysis (JHA), identifies hazards associated with scissor lift operation and establishes controls to prevent falls, tip-overs, crushing and entrapment, electrical contact, collisions, falling objects, equipment failure, and injuries caused by improper setup, travel, or operation.

Personnel Qualifications

Scissor lifts shall be operated only by trained and authorized employees. Operators shall be familiar with the specific lift, manufacturer instructions, operating controls, safety devices, rated capacity, emergency lowering procedures, workplace hazards, and applicable fall-protection requirements.

Operators and occupants shall:

• Complete required training and authorization before operating the lift.
• Perform the required pre-use equipment inspection and workplace hazard assessment.
• Understand the lift’s rated capacity, allowable slope, platform extension limits, and manufacturer operating restrictions.
• Keep platform guardrails, gates, and chains in place and properly secured.
• Remain on the platform floor and never climb or stand on guardrails.
• Use personal fall protection when required by the manufacturer, applicable standard, site rule, or task-specific hazard assessment.
• Maintain required clearance from energized electrical conductors.
• Recognize tip-over, crushing, entrapment, traffic, and falling-object hazards.
• Know the location and operation of emergency stop and emergency lowering controls.
• Stop operation and remove the lift from service when defects or unsafe conditions are identified.

Required PPE

PPE shall be selected based on the task, lift, and work environment and may include:

• Hard hat.
• Safety glasses with side protection.
• Work gloves appropriate to the task.
• Slip-resistant safety footwear.
• High-visibility apparel where traffic or mobile-equipment exposure exists.
• Full-body harness and compatible connecting device when required by the manufacturer, applicable requirements, or site-specific rules.
• Hearing protection where noise exposure requires it.
• Additional task-specific PPE identified by the hazard assessment.

JSA – Job Steps, Hazards, and Controls

Step 1 – Plan the Work

Potential Hazards

• Wrong equipment selection.
• Tip-over.
• Electrical contact.
• Insufficient working height.

Required Controls

• Determine the required working height, platform capacity, work location, tools, materials, and number of occupants.
• Select a scissor lift rated and suitable for the intended work and environment.
• Review manufacturer instructions and limitations.
• Identify overhead power lines, structures, traffic, excavations, floor openings, slopes, and other hazards.
• Determine whether barricades, spotters, traffic control, or additional fall protection are required.

Step 2 – Perform the Pre-Use Equipment Inspection

Potential Hazards

• Mechanical failure.
• Control malfunction.
• Tip-over.

Required Controls

• Inspect the lift according to manufacturer requirements before use.
• Check tires, wheels, steering, brakes, guardrails, gates, platform extensions, hydraulic components, controls, alarms, pothole protection devices, and emergency systems.
• Check for leaks, damaged components, loose parts, or structural defects.
• Verify required labels and operating instructions are legible.
• Remove defective equipment from service.

Step 3 – Inspect the Workplace

Potential Hazards

• Holes or drop-offs.
• Collision.
• Tip-over.
• Electrical contact.

Required Controls

• Inspect the travel route and work area before operation.
• Identify holes, floor openings, drop-offs, curbs, slopes, debris, soft ground, and unstable surfaces.
• Identify overhead obstructions and energized conductors.
• Evaluate pedestrian, vehicle, and mobile-equipment traffic.
• Establish controlled areas where necessary.

Step 4 – Verify Surface and Floor Conditions

Potential Hazards

• Tip-over.
• Settlement.
• Floor failure.

Required Controls

• Operate only on surfaces capable of supporting the lift and anticipated load.
• Remain within manufacturer slope and grade limitations.
• Maintain safe distance from excavations, trenches, loading docks, holes, and drop-offs.
• Verify floor loading where operating on elevated slabs or structures.
• Do not operate on unstable, soft, or inadequately supported surfaces.

Step 5 – Enter the Platform

Potential Hazards

• Slip or fall.
• Unsecured access gate.

Required Controls

• Use designated steps and handholds.
• Maintain stable footing while entering.
• Close and secure the platform gate or access chain before operation.
• Keep access areas free of tools and materials.
• Do not climb over guardrails.

Step 6 – Verify Guardrails and Fall Protection

Potential Hazards

• Fall from platform.
• Improper restraint.

Required Controls

• Ensure the complete guardrail system is installed and secure.
• Keep gates or access chains closed while the lift is occupied.
• Do not remove, alter, or climb on guardrails.
• Use personal fall protection when required by the manufacturer, applicable requirements, or site-specific procedures.
• Connect only to manufacturer-approved anchorage points when personal fall protection is required.

Step 7 – Check Platform Load

Potential Hazards

• Overloading.
• Instability.
• Equipment damage.

Required Controls

• Verify the combined weight of employees, tools, materials, and equipment does not exceed rated platform capacity.
• Observe allowable occupant limits.
• Distribute loads evenly and keep heavy materials low and stable.
• Account for platform-extension capacity limitations where applicable.
• Do not use the lift as a crane or material hoist unless specifically designed for that purpose.

Step 8 – Start and Test the Lift

Potential Hazards

• Unexpected movement.
• Control failure.

Required Controls

• Start the lift according to manufacturer instructions.
• Test platform and ground controls as required.
• Verify emergency stop, alarms, interlocks, and emergency lowering functions.
• Check steering and braking before entering congested areas.
• Do not operate when controls or safety devices are defective.

Step 9 – Travel with the Platform Lowered

Potential Hazards

• Collision.
• Struck-by injury.
• Tip-over.

Required Controls

• Lower the platform before travel whenever practical and as required by manufacturer instructions.
• Travel at a controlled speed suitable for the surface and congestion.
• Maintain a clear view in the direction of travel.
• Use a spotter where visibility is obstructed.
• Avoid abrupt starts, stops, turns, and changes in direction.

Step 10 – Travel on Slopes or Ramps

Potential Hazards

• Runaway movement.
• Tip-over.
• Loss of traction.

Required Controls

• Follow manufacturer gradeability and slope limitations.
• Keep the platform lowered unless manufacturer instructions specifically permit otherwise.
• Travel in the manufacturer-recommended orientation.
• Avoid turning on slopes.
• Do not operate on grades exceeding the lift’s rating.

Step 11 – Position the Lift

Potential Hazards

• Tip-over.
• Collision.
• Entrapment.

Required Controls

• Position the lift on a firm, level surface within allowable limits.
• Maintain clearance from holes, drop-offs, excavations, and unstable edges.
• Allow adequate clearance for the platform and scissor mechanism.
• Set brakes or other parking controls as required.
• Recheck overhead hazards before elevation.

Step 12 – Maintain Electrical Clearances

Potential Hazards

• Electrocution.
• Electrical arcing.

Required Controls

• Identify overhead and nearby energized electrical conductors.
• Maintain applicable minimum approach distances.
• Treat lines as energized unless confirmed de-energized and properly controlled by the responsible authorized party.
• Use a spotter where needed to maintain clearance.
• Do not rely on tires or the lift structure as electrical insulation.

Step 13 – Elevate the Platform

Potential Hazards

• Tip-over.
• Overhead contact.
• Crushing.

Required Controls

• Elevate only when the lift is properly positioned and stable.
• Raise the platform slowly while watching overhead and adjacent clearances.
• Keep hands, arms, and body inside the guardrail system.
• Stop elevation before contacting ceilings, beams, piping, ductwork, or other structures.
• Use a spotter when overhead clearance cannot be adequately observed.

Step 14 – Work from the Elevated Platform

Potential Hazards

• Fall.
• Loss of balance.
• Falling objects.

Required Controls

• Keep both feet firmly on the platform floor.
• Do not stand on rails, ladders, boxes, planks, or other devices to gain additional height.
• Keep the gate closed and guardrails in place.
• Maintain good housekeeping and stable footing.
• Reposition the lift instead of overreaching.

Step 15 – Use the Platform Extension

Potential Hazards

• Pinch points.
• Overloading.
• Instability.

Required Controls

• Extend the deck only according to manufacturer instructions.
• Observe any reduced capacity applicable to the extension deck.
• Keep hands and feet clear of pinch points.
• Secure the extension in its intended position.
• Do not use the extension to bridge gaps or transfer to another surface.

Step 16 – Prevent Crushing and Entrapment

Potential Hazards

• Crushing between platform and structure.
• Entrapment at controls.

Required Controls

• Maintain adequate clearance from ceilings, beams, pipes, equipment, and other fixed objects.
• Avoid placing the body between guardrails and overhead structures.
• Move slowly when clearance is limited.
• Use a spotter when the operator cannot clearly observe overhead hazards.
• Know how to activate emergency stop controls immediately.

Step 17 – Protect the Scissor Mechanism

Potential Hazards

• Crushing or amputation.
• Caught-between injury.

Required Controls

• Keep employees clear of the scissor stack and moving linkage.
• Do not reach into or work beneath an elevated platform unless the manufacturer’s maintenance support or blocking device is properly installed.
• Keep loose clothing, tools, and materials away from moving components.
• Do not bypass guards or safety devices.
• Allow only authorized personnel to perform maintenance or repairs.

Step 18 – Handle Tools and Materials

Potential Hazards

• Falling objects.
• Trip hazards.
• Overloading.

Required Controls

• Keep tools and materials organized and within the platform.
• Do not place materials on guardrails.
• Use tool lanyards or other falling-object controls where appropriate.
• Keep controls and access gates unobstructed.
• Barricade or control the area below when falling-object hazards exist.

Step 19 – Work Near Traffic or Mobile Equipment

Potential Hazards

• Vehicle collision.
• Struck-by injury.

Required Controls

• Use cones, barricades, signs, flaggers, or other traffic controls as required.
• Wear high-visibility apparel where exposed to traffic.
• Position the lift to minimize exposure to moving vehicles.
• Use a spotter when operating in congested areas.
• Do not allow vehicles to pass beneath an elevated platform unless specifically controlled and safe.

Step 20 – Reposition While Elevated

Potential Hazards

• Tip-over.
• Collision.
• Electrical contact.

Required Controls

• Travel with the platform elevated only when permitted by the manufacturer and conditions are suitable.
• Inspect the route before movement.
• Move slowly and avoid sudden steering or braking.
• Maintain clearance from holes, drop-offs, overhead structures, and energized conductors.
• Use a spotter when necessary.

Step 21 – Operate in Wind or Adverse Weather

Potential Hazards

• Tip-over.
• Loss of control.
• Lightning.
• Slippery platform.

Required Controls

• Follow manufacturer indoor/outdoor ratings and wind-speed limitations.
• Do not operate outdoors if the lift is rated for indoor use only.
• Suspend operation during lightning or severe weather.
• Secure loose materials that could become airborne.
• Keep the platform free of ice, snow, water, oil, and other slip hazards.

Step 22 – Respond to Equipment Malfunction

Potential Hazards

• Stranding at height.
• Unexpected movement.
• Tip-over.

Required Controls

• Stop operation and activate emergency stop controls as appropriate.
• Do not bypass interlocks, alarms, tilt sensors, or other safety devices.
• Notify ground personnel and supervision.
• Use the manufacturer’s emergency lowering procedure.
• Remove the lift from service until repaired by authorized personnel.

Step 23 – Perform Emergency Lowering or Rescue

Potential Hazards

• Delayed rescue.
• Secondary injury.

Required Controls

• Ensure designated ground personnel know the location and use of emergency lowering controls where required.
• Maintain access to ground controls.
• Follow the site emergency procedure.
• Do not climb out of an elevated platform or improvise transfers unless specifically addressed by an approved rescue procedure.
• Call emergency services when conditions exceed onsite capabilities.

Step 24 – Lower the Platform

Potential Hazards

• Crushing.
• Contact with obstructions.

Required Controls

• Check below and around the platform before lowering.
• Ensure personnel remain clear of the scissor mechanism.
• Lower slowly while maintaining clearance from structures and equipment.
• Keep body parts inside the guardrail system.
• Stop if an obstruction enters the lowering path.

Step 25 – Exit and Secure the Lift

Potential Hazards

• Slip or fall.
• Unauthorized operation.
• Uncontrolled movement.

Required Controls

• Fully lower the platform before exiting.
• Use designated steps and handholds.
• Park on a stable surface in an approved location.
• Set the parking brake or other securing controls and remove the key as required.
• Charge batteries or refuel only according to approved procedures and manufacturer instructions.

Step 26 – Report Defects and Complete Post-Use Check

Potential Hazards

• Unsafe equipment returned to service.
• Unreported damage.

Required Controls

• Report damage, impacts, leaks, malfunctions, or abnormal operation.
• Tag or otherwise identify unsafe equipment to prevent use.
• Remove tools, materials, and debris from the platform.
• Do not return defective equipment to service until repaired and approved.
• Complete required inspection or equipment documentation.

General Safe Work Requirements

• Scissor lifts shall be operated only by trained and authorized employees.
• Pre-use equipment inspections and workplace hazard assessments shall be completed before operation.
• Defective or damaged lifts shall be removed from service until repaired by authorized personnel.
• Rated platform capacity, occupant limits, slope limits, and manufacturer operating restrictions shall not be exceeded.
• Guardrails and access gates shall remain installed and secured while employees are elevated.
• Employees shall remain on the platform floor and shall not stand on guardrails, ladders, boxes, planks, or makeshift devices.
• Personal fall protection shall be used when required by the manufacturer, applicable requirements, site rules, or task-specific assessment.
• Applicable clearance from energized power lines and electrical equipment shall be maintained.
• Ground and floor conditions, holes, drop-offs, excavations, slopes, and surface loading shall be evaluated before travel or elevation.
• Employees shall remain clear of the scissor mechanism and other pinch, crush, and shear points.
• Safety devices, tilt alarms, pothole protection systems, interlocks, or controls shall not be bypassed or defeated.
• Tools and materials shall be controlled to prevent overloading, trip hazards, and falling objects.
• Traffic and pedestrian exposure shall be controlled as required.
• Manufacturer wind and weather restrictions shall be followed.
• Emergency lowering controls shall remain accessible and applicable personnel shall know emergency procedures.
• Work shall stop whenever equipment condition, surface stability, electrical clearance, weather, guardrails, or other required safeguards are inadequate.

Training

Scissor lift operators shall receive training appropriate to the equipment used and workplace conditions. Training shall address fall, tip-over, electrical, crushing, entrapment, collision, and falling-object hazards; manufacturer instructions; pre-use and workplace inspections; operating controls and safety devices; platform capacity; safe travel and positioning; guardrail and fall-protection requirements; emergency lowering; and applicable site requirements. Retraining shall be provided when unsafe operation is observed, an accident or near miss occurs, a different type of lift is introduced, or workplace conditions change in a manner that affects safe operation.

References

• OSHA 29 CFR 1926 Subpart L – Scaffolds, as applicable to scissor lifts.
• OSHA 29 CFR 1926.451 – General Requirements.
• OSHA 29 CFR 1926.454 – Training Requirements.
• OSHA 29 CFR 1926 Subpart M – Fall Protection, where applicable.
• Applicable ANSI/SAIA requirements, manufacturer operating manuals, site procedures, and client requirements.