What does the signal of an open hand tapping the top of a hardhat indicate?

The signal of an open hand tapping the top of a hardhat indicates that the operator should stop the crane. This signal is a universally recognized communication method used on construction sites to achieve safety and efficiency.

Tapping the top of the hardhat typically serves as a visual cue that something needs to halt, allowing workers to avoid potential hazards or accidents. It's important for all personnel on site to understand this signal to ensure everyone is aware when a stop command is being relayed, especially in environments with heavy machinery like cranes that can pose serious risks if not properly monitored. The clear distinction of this signal adds to its effectiveness in maintaining workplace safety.