What is the purpose of having a load chart for a crane?

A load chart serves a crucial function in crane operations by detailing the lifting capacity of the crane under various conditions. The chart provides critical data, such as maximum lifting weights at different boom lengths and angles, as well as the impact of the specific configuration of the crane, including whether additional counterweights are in place.

Understanding the load chart is essential to ensure that loads do not exceed the crane's capabilities, minimizing the risk of accidents, structural failure, or tipping. The information in the load chart allows operators to make informed decisions about how much weight they can safely lift, which directly influences safety and efficiency during operations.

While enhancing operator skills, assessing site conditions, or verifying a crane model may be important aspects of crane operation and safety, the primary purpose of the load chart specifically pertains to determining the lifting capacity, which is vital for the safe operation of the crane.