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April 22, 2024

An Introduction to the Rigging Work Done in Construction Work

Cranes are essential equipment in construction that makes construction work more efficient and faster. They are used to lift and move heavy materials and equipment across a construction site. The use of cranes in construction work has revolutionized the industry, making it possible to build taller and bigger structures than before. However, using cranes requires skilled personnel to operate and rig them safely.

Crane rigging attaches loads to a crane using ropes, cables, chains, or slings. It is a crucial crane operation aspect requiring specialized knowledge and training. Rigging involves selecting the appropriate gear, calculating the weight of the load, and attaching the load securely to the crane. Few people know how this works, so we will discuss the details in this article.

The Work of a Crane Rigger

The rigger's work involves assessing the load to be lifted and calculating its weight and center of gravity. They must also determine the crane's capacity and the appropriate rigging gear. The rigger must inspect the rigging gear to ensure it is in good condition and safe for use.

The rigger attaches the rigging gear to the load and the crane's hook. They must ensure the rigging gear is securely attached and the load is balanced correctly. The rigger signals the crane operator to lift the load, and they monitor the load's movement to ensure it remains stable.

The rigger's work requires a high level of skill and experience because they must be able to assess the risks involved in lifting a load and take appropriate safety measures. They must also communicate effectively with the crane operator to ensure safe lifting operation.

Determining the Rigging Weight

The rigger must determine the weight of the lift load to ensure the crane can handle it. They use various methods to estimate the weight of the load, including weighing the load or calculating its weight based on its dimensions and material density. Besides that, the rigger must also consider the load's center of gravity, which can affect the crane's lifting stability. They must balance the load correctly to prevent it from swinging or tipping over. The numbers will vary, so the rigger must ensure accurate and up-to-date information on the load's weight and dimensions before starting the rigging process.

Rigging Safety

Rigging safety is crucial in construction work to prevent accidents and injuries. The following are some of the rigging safety practices that crane riggers must adhere to:

Rigging Gear Inspection

The rigger must inspect the rigging gear before use to ensure it is in good condition and safe. They must check for any signs of wear and tear, such as cuts, abrasions, or corrosion. The rigger must also ensure the rigging gear has the appropriate markings and certifications.

Choose the Appropriate Rigging Gear Based on Working Load Limit

The rigger must select the appropriate rigging gear based on the load's weight and the crane's capacity. The rigging gear's working load limit (WLL) must be greater than the load's weight. The rigger must also ensure that the rigging gear is compatible with the crane's hook and that the hook's latch is engaged.

Hitch Configurations

The rigger must select the appropriate hitch configuration based on the load's shape and weight distribution. The following are some of the common hitch configurations:

  • Vertical hitch: Used for lifting loads with a single attachment point.
  • Basket Hitch: Used for lifting loads with two attachment points.
  • Choker hitch: Used for lifting cylindrical loads.
  • Double wrap choker hitch: Used for lifting loads too small for a standard choker hitch.

Finding the Right Sling Angle

The rigger must correct the sling angle to prevent the load from slipping or tipping. The sling angle is the angle between the sling and the horizontal plane. The rigger must ensure that the sling angle is within the recommended range for the type of hitch configuration used.


Crane rigging is a fundamental aspect of crane operation, so it must be done correctly to ensure safety and efficiency. It will be tricky, but with proper training and experience, riggers can execute lifts safely and accurately. This way, the overall operation will be successful, and the risk of accidents and injuries will be minimized.

Sterett Crane & Rigging provides top-quality services for crane rigging. Our crane rigging experts will ensure your crane’

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