Communication is Key: Roles & Signals

Welcome back, let's Build Smart & Build Safe! We've covered crane types and rigging fundamentals. Today, we're focusing on the single most important factor for a safe lift: communication.

A crane operation is a complex dance between three key players. A breakdown in communication can lead to a disastrous incident.

The Three Key Roles in a Lift

1. The Crane Operator: The person in the cab who operates the crane. They rely on others to provide accurate information and signals.

2. The Rigger: The person who attaches and detaches the load from the crane's hook. They are responsible for ensuring the load is secure and balanced.

3. The Signal Person: The person who stands in a visible location and provides clear, standardized hand signals to the operator. They are the operator's eyes on the ground.

These roles must be filled by qualified and trained personnel, and they must work together seamlessly.

The Universal Language of Hand Signals

Standardized hand signals are a universal language on a job site. Everyone working near a lift should know the basic signals. This is the only way for the Signal Person to direct the Operator, especially in a loud environment where verbal communication is impossible.

The Most Important Signal: EMERGENCY STOP

While all signals are important, there is one that takes precedence over all others: the Emergency Stop signal.

• The Signal: Both arms extended horizontally with palms down, moving back and forth.

• The Rule: The Emergency Stop signal can be given by anyone who sees a dangerous situation developing.

• The Response: The crane operator must obey this signal instantly, regardless of who gives it or what other instructions they were following.

Clear communication and a respect for the established chain of command are non-negotiable for a safe lift. Never assume the operator knows what you know.

Tomorrow, we'll discuss the deadliest hazards to avoid, including overhead power lines.

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-The Safety Man