What factor should be considered when choosing a rigging method?

When choosing a rigging method, the weight and shape of the load are critical factors that directly impact safety and effectiveness. The weight determines the type of rigging equipment and rigging techniques that can be utilized safely, ensuring that the load does not exceed the lifting capacity of the chosen equipment. By understanding the weight, riggers can select appropriate slings, hoists, and other rigging gear that are rated for the load's weight.

The shape of the load is equally important because it affects how the load can be handled, balanced, and secured during lifting. Loads that are irregularly shaped may require specific rigging techniques to ensure stability and prevent shifting during the lift, which can pose significant safety hazards.

While personal preferences of the rigger and conditions such as weather can impact rigging decisions, they are secondary to the fundamental factors like load weight and shape that govern the safe rigging approach. Ensuring that these parameters are carefully considered will help to prevent accidents and equipment failures during lifting operations.