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804 Safe Scaffold Erection and Inspection
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Scissor Lifts

Scissor lifts are mobile supported scaffold work platforms used to safely move workers vertically and to different locations in a variety of industries including construction, retail, entertainment and manufacturing. Scissor lifts move the work platform straight up and down using crossed beams functioning in a scissor-like fashion.

Aerial and Scissor Lifts
Picture of both an aerial lift and a scissor lift

Although scissor lifts present hazards similar to scaffolding when extended and stationary, using scissor lifts safely depends on considering equipment capabilities, limitations and safe practices.

Inspection Items

When inspecting scissor lifts, check the following to make sure the scissor lift:

  • components are in proper working condition and not defective in any way;
  • brakes, once set, hold the scissor lift in position;
  • guardrails are installed before working on the lift to prevent workers from falling;
  • never moves in an elevated position;
  • is positioned so that work is within easy reach to avoid leaning away from the scissor lift;
  • is stable and will not tip over or collapse;
  • is positioned on firm, level surfaces away from hazards that can cause instability;
  • is isolated from other equipment that could contact it; and
  • is used outside only when weather conditions are good with wind speeds below 28 miles per hour.

The following work practices ensure that scissor lifts are used safely:

  • only stand on the work platform; never stand on the guardrails;
  • never load the work platform beyond manufacturer's load rating;
  • only use the scissor lift mechanism to raise the work platform;
  • prevent the scissor lift from being struck by other equipment;
  • never move the scissor lift within 10 feet of energized or other overhead objects;
  • receive training on scissor lift safe use, identifying hazards, and reporting defects;
  • be receive electrical training to be qualified to work near electrical sources; and
  • use appropriate traffic control measures to prevent collision.

Knowledge Check Choose the best answer for the question.

3-7. Which type of scaffold platform is used to move workers vertically and are used in a variety of industries?