The top line refers to the lengths of the boom available for the crane type.200T is the gross capacity which is the tonnage it can lift, but its actual load capacity is referred to as the net capacity.Before lifting the load, operators must check the boom angle indicator, which provides the boom angle from the horizontal.

With this, an operator can figure out the angle the boom needs to be at to make sure they are positioned directly over the load. The use of a crane load chart makes this easier. If the load is being lifted from a point that is higher than ground level, knowing this height is also necessary. This rule isn’t always applicable to excavators.īefore making a lift safely, the operator needs to know the load’s weight and how far the load is from the boom’s turntable. While the basic concepts are similar, there are some essential differences.įor example, the closer a crane is located to the load, and the higher the boom angle is, the more lifting capacity the crane has.

Load Charts Ensure Proper Use and Safe OperationĬrane load charts are unique from the backhoe and excavator load charts. This is necessary for each crane type the operator is using. To pass the certification, operators must demonstrate their ability to use modern load charts. Understanding the Crane Load Chart is Mandated by OSHAĪccording to the OSHA Crane Standard – subpart N mandates that all crane operators be certified. With this knowledge, they can safely operate any crane while ensuring the safety of others on the worksite.

How to identify quadrants of operation from load chart dataĪ crane load chart is a vital tool that managers and operators need to understand fully.

How to identify structural and stability values in load capacity charts.

How to determine gross and net capacities.

In this article you will be able to learn the following : In addition to safety, there are several other reasons you need to know how to read and use the crane load chart. If this is the case, it may not be safe to lift the pipe from the truck and place it in or next to the trench. One example of this is if you have a truck full of pipe located too far from the crane being used.

Factors That Reduce Load Capacities Production Operations.

Load Charts Ensure Proper Use and Safe Operation.

Understanding the Crane Load Chart is Mandated by OSHA.

Crane lifting belt size chart pdf