Employers should ensure that scissor lifts are stable and will not tip over or collapse. Some safe work practices to ensure safe, stable conditions for scissor lift use include:
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Follow the manufacturer’s instructions for safe movement—this usually rules out moving the lift in an elevated position.
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Isolate the scissor lift or implement traffic control measures to ensure that other equipment cannot contact the scissor lift.
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Select work locations with firm, level surfaces away from hazards that can cause instability (e.g., drop-offs, holes, slopes, bumps, ground obstructions, or debris).
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Use the scissor lift outside only when weather conditions are good. Scissor lifts rated for outdoor use are generally limited to wind speeds below 28 miles per hour.