Which hand signal corresponds to the OSHA standard method signal to travel the trolley?

Which hand signal corresponds to the OSHA standard method signal to travel the trolley?

• A. Palm up, fingers closed, thumb pointing in direction of motion, jerk hand horizontally
• B. Palm down, fingers spread, hand waving
• C. Palm out, fingers pointing straight ahead
• D. Palm down, fingers curled inward, moving up and down

Answer: (A)

The hand signal corresponding to the OSHA standard method for signaling the trolley to travel is characterized by palm up, fingers closed, and the thumb pointing in the direction of motion, combined with a jerk of the hand horizontally. This signal clearly indicates the desired movement of the trolley, allowing operators and crew members to communicate effectively and safely. Using a palm-up position conveys an active command, and the closed fingers suggest a firm, unambiguous signal rather than an ambiguous one that might confuse the operator. The jerk of the hand horizontally indicates urgency and decisiveness, ensuring that everyone in the area recognizes the intended motion of the trolley. This method aligns with established safety protocols, minimizing the risk of accidents and ensuring smooth operations within a crane system.

The hand signal corresponding to the OSHA standard method for signaling the trolley to travel is characterized by palm up, fingers closed, and the thumb pointing in the direction of motion, combined with a jerk of the hand horizontally. This signal clearly indicates the desired movement of the trolley, allowing operators and crew members to communicate effectively and safely.

Using a palm-up position conveys an active command, and the closed fingers suggest a firm, unambiguous signal rather than an ambiguous one that might confuse the operator. The jerk of the hand horizontally indicates urgency and decisiveness, ensuring that everyone in the area recognizes the intended motion of the trolley. This method aligns with established safety protocols, minimizing the risk of accidents and ensuring smooth operations within a crane system.