Rigging Crane

Rigging methods and equipment are used to attach heavy loads to lifting devices such as cranes, derricks, or chain falls. Rigging equipment may include: rope, chains, or synthetic webbing slings, which connect the loads to lifting machinery by means of hooks or shackles. There are two broad categories of shackles, anchor and chain, but both of these categories can also include different types of shackles: screw pin, safety, and round pin types.

What is rigging in cranes?

Rigging is the use of equipment such as wire rope, turnbuckles, clevis, and jacks in material handling and structure relocation with cranes and other lifting equipment. In underwater lifting, rigging systems commonly include shackles, master links, and slings, as well as lifting bags.

Riggers should avoid pinch points with their hands, fingers, and feet. When lifting, keep an eye out for stacked material to avoid knocking it over with a swinging load. During lifting, use a designated spotter to ensure proper clearances are maintained. Before lifting a load, look for overhead power lines.

Rigging is a common process on construction sites that involves securing materials to be moved by a crane or other type of lifting equipment. When a load falls due to improper rigging, serious injuries or deaths can occur. This course teaches you how to use slings or chains to safely secure a load.

Take Safety Precautions During Crane Operation:

  1. Move cranes into position when the area is free of workers.
  2. Position the crane so the boom or bucket doesn't swing over workers.
  3. Post a traffic controller on crowded sites.
  4. Make sure boom stops are in place to keep the crane from flipping backward.

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