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821 Cranes and Derricks Safety II
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Hoisting Equipment

The hoisting equipment must meet the following criteria when hoisting personnel:

  • The equipment must be uniformly level, within one percent of level grade, and located on footing that a qualified person has determined to be sufficiently firm and stable.
  • Equipment with outriggers or stabilizers must have them all extended and locked. The amount of extension must be the same for all outriggers and stabilizers and in accord with manufacturer procedures and load charts.
  • The total load (including the hook, load line and rigging) must not exceed 50 percent of the rated capacity for the radius and configuration of the equipment, except during proof testing.
  • When the occupied personnel platform is in a stationary working position, the load and boom hoist brakes, swing brakes, and operator actuated secondary braking and locking features (such as pawls or dogs) or automatic secondary brakes must be engaged.
  • The equipment must be equipped with the safety devices specified in section 1431(d)(5).
  • Attachments and rigging hardware must meet the criteria specified in section 1431(g).

Knowledge Check Choose the best answer for the question.

5-3. When hoisting employees, the total load must not exceed _____ percent of the rated capacity for the radius and configuration of the hoisting equipment, except during proof testing.