Scissor lifts are essential tools that provide a stable platform for workers to perform tasks at elevated heights. These lifts are widely used across various industries such as construction, retail, entertainment, and manufacturing. Unlike aerial work platforms, scissor lifts operate by using a vertical lifting mechanism made up of crossed beams, which resemble the motion of scissors.
Due to their structural design, many scissor lifts fall under OSHA’s scaffolding standards, ensuring they meet safety requirements for workplace use. This means operators must follow strict guidelines to maintain safe operations and prevent accidents.
The primary hazards associated with scissor lifts include falls from the platform and tip-overs. While rare, the risk of cross beam failure can occur if the equipment is not maintained properly or if the operator does not follow manufacturer instructions. Regular maintenance and proper usage significantly reduce these risks.
Leading manufacturers in the scissor lift industry include JLG and Terex's Genie, both known for producing reliable and high-quality equipment that meets industry standards.
A scissor lift functions as a mobile scaffold, allowing workers to reach heights ranging from 25 to 50 feet. The platform size typically varies between 24 to 36 inches in depth and 48 to 72 inches in width. Depending on the model, it can support one to four people, depending on weight and lift capacity. Each model has specific specifications, so it's crucial to review them before operation.
Most scissor lifts offer control options either at the base or on the platform itself. While this feature allows for greater flexibility, it also introduces risks. Many manufacturers advise against moving the lift while the platform is extended to prevent potential accidents.
Source: OSHA
Before operating a scissor lift, it's important to conduct a thorough site assessment to identify potential hazards. Operators should ensure that appropriate controls are in place for fall protection, stabilization, and positioning. Only trained personnel should be permitted to operate these machines to minimize risks.
To prevent falls, all scissor lifts must be equipped with guardrails around the platform. These rails serve as attachment points for harnesses and lanyards. Some models have additional rail sections that require extra caution during use.
Notes: Falling from a scissor lift can lead to serious injury. Always use a harness when working at height.
Ensuring the stability of a scissor lift is critical to prevent tipping or collapse. Operators should check that the surface is level and firm. While some models are designed for rough terrain, most require flat ground. Outdoor use should only occur under favorable weather conditions, and wind speeds should be monitored carefully.
Scissor lifts can tip over if used on uneven ground, struck by a moving object, or if the platform hits an obstacle while extended.
Notes: Scissor lifts can tip over if they are struck at the base or collide with objects while extended.
Proper positioning of the scissor lift is vital to avoid hazards such as crushing and electrocution. If the lift moves unexpectedly, it could crush someone against another object. Additionally, extending the lift near power lines poses a serious electrocution risk.
Operators must also be aware of arc flash dangers. Electricity can jump from power lines to the scissor lift or worker, even without direct contact. This makes it essential to maintain a safe distance from electrical sources.
Notes: Always be cautious when raising, lowering, or moving the scissor lift to avoid dangerous situations.
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Fengcheng Fire Turbocharger Manufacturing Co; Ltd. , https://www.fireturbocharger.com
Scissor Lift Design
Notes: Scissor lifts derive their name from the cross beams that act like scissors when raising and lowering the platform.
General Safety Measures
Fall Protection
Stabilization
Positioning
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