Scissor lifts are essential tools in modern industrial operations, providing a stable and elevated work platform for various tasks. These lifts are commonly used across industries like construction, retail, entertainment, and manufacturing. Unlike aerial work platforms, scissor lifts utilize a crisscross mechanism to elevate the work platform vertically, which gives them their distinctive name. Due to their unique design, scissor lifts often fall under OSHA’s Scaffolding standards, emphasizing the importance of proper safety measures during operation. Despite their robust design, scissor lifts present specific risks, primarily falls from the platform and the possibility of tipping over. Collapses in the cross beams are extremely rare, provided operators adhere strictly to manufacturer guidelines and service the equipment regularly. Leading brands in the scissor lift market today include JLG and Terex’s Genie. These manufacturers offer a range of models designed to meet diverse operational needs, with maximum working heights ranging from 25 to 50 feet.

A scissor lift essentially functions as a mobile scaffold, enabling workers to access elevated areas safely. Platforms are typically 24 to 36 inches deep and 48 to 72 inches wide, capable of supporting one to four individuals depending on weight limits. Each model has specific specifications regarding maximum height and load capacity, so it’s crucial to review these details before use. The lift can be controlled either at the base or on the platform. While the ability to move while extended offers convenience, it also introduces additional risks—many manufacturers advise against maneuvering the lift when it’s in an elevated position.

Source: OSHA
Notes: The scissor lift derives its name from the "scissors" mechanism that raises and lowers the platform. This design ensures stability and reliability during operation.

General Safety Measures

Before operating a scissor lift, it’s vital to conduct a thorough assessment of the worksite and identify potential hazards to choose the right equipment for the task. Scissor lift operators must evaluate and implement controls addressing fall protection, stabilization, and proper positioning. Only trained personnel should be authorized to use scissor lifts.

Fall Protection

Guardrails are mandatory on scissor lifts to prevent falls. Most manufacturers install top and mid rails along the platform’s perimeter, allowing workers to attach lanyards and harnesses. Some models come with extendable platforms that require additional attention due to their rope-based rail sections.

• Ensure a guardrail system is in place before beginning work.
• Never stand on the guardrails—only work from the platform.
• Maintain your balance and keep work within easy reach to avoid leaning over the edge.

Notes: Falls from scissor lifts are a common hazard. To mitigate this risk, consider attaching a body harness to the guardrail. Always prioritize safety over convenience.

Stabilization

Operators must confirm the scissor lift is stable and won’t tip over or collapse. Inspect the floor to ensure it’s level and solid. Most scissor lifts require a flat surface, though some rough terrain models can handle uneven conditions.

• Follow the manufacturer’s instructions and avoid moving the lift while elevated.
• Operate scissor lifts outdoors only in favorable weather conditions. High winds can destabilize the lift, and most outdoor models have wind speed limits of around 28 mph.
• Avoid exceeding the load rating—overloading increases the risk of equipment failure.

Scissor lifts can tip over if they encounter uneven surfaces, are struck by moving objects, or collide with obstacles while extended.

Notes: Always be cautious when moving the scissor lift, especially when extended. Avoid obstacles and high-risk areas to minimize accidents.

Positioning

Operators must position the scissor lift carefully to avoid crushing or electrocution hazards. Crushing injuries can occur if the lift moves and traps someone between it and another object. Electrocution risks arise when the lift extends into live electrical lines. Even if the lift or worker doesn’t directly touch the line, electricity can arc dangerously close. Electrical arcs pose additional risks, as they can leap from power lines to the scissor lift or the operator. Always maintain a safe distance from overhead power lines.

Notes: Always be mindful of your surroundings when operating a scissor lift. Accidents can happen quickly, so vigilance is key.

Group Discussion Topics

• Inspect the scissor lift daily for any visible damage, such as worn tires, hydraulic leaks, or missing signage. Is the equipment in good working condition?
• Are there any overhead hazards, like power lines or gas pipes, near the work area?
• Is the floor surface suitable for operating the scissor lift? Uneven or slippery surfaces can compromise stability.
• How many people will be on the platform? Does the total weight, including tools and materials, exceed the lift’s capacity?
• What factors could lead to the scissor lift tipping over? Consider environmental conditions and operator behavior.

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