What does a high arm signal indicate?

A high arm signal is a standard hand signal used to communicate that the crane operator should raise the load. When the signaler raises their arm high above their head, it clearly indicates the action of lifting or elevating the load. This signal is crucial for ensuring that the crane operator understands the intended movement, especially in environments where verbal communication may be difficult due to noise or distance.

Understanding the context and importance of hand signals is vital in crane operations to ensure safety and efficiency. Proper interpretation of signals helps prevent accidents and miscommunication during lifting operations. This signal is part of a systematic approach to crane operation, where each gesture has a specific meaning. Thus, recognizing that a high arm signal directs the operator to raise the load reinforces the importance of clear and unequivocal communication on construction sites or during any lifting operations.