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Material Handling ยป Shackles and Hooks

Shackles and hooks are components of rigging used to attach loads and slings to lifting devices. These items along with ropes, chains, and slings make up the "rigging gear."

 
Shackles and Hooks
Potential Hazards: 

Failure of shackles or hooks while loads are being lifted or moved, may cause serious injuries.

Requirements and Example Solutions:
  • The safe working load of shackles and hooks must not be exceeded. [1915.113(a)(1)]
  • Hooks without applicable manufacturer's recommendations available, must be tested to twice the intended safe working load. Documentation must be maintained. [1915.113(b)(1)]
  • Loads must be applied to the throat of the hook. [1915.113(b)(2)]
  • Hooks must be inspected periodically. [1915.113(b)(3)]
  • Bent or sprung hooks must not be used. [1915.113(b)(3)]
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Workers using a hook and shackle
Figure 1: Workers using a hook and shackle.
 

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