What is the maximum vertical deflection allowed when using two slings on a crane hook?

The maximum vertical deflection allowed when using two slings on a crane hook is 45°. This deflection refers to the angle that the slings can deviate from a vertical line without compromising the stability and safety of the load being lifted.

When using slings to lift heavy objects, it's essential to maintain control and balance of the load. A deflection angle greater than 45° could lead to an increased risk of the load swinging or tilting, which is unsafe and may result in accidents or equipment failure. It is critical for operators to adhere to this guideline to ensure safe lifting practices while preventing undue stress on the slings and the crane.

Understanding these angles and their implications enables riggers and crane operators to make informed decisions, ensuring the safety of personnel and the integrity of the load being lifted.