Which ASME volume must be referred to for hand signaling a mobile crane?

Referring to ASME B30.5 is essential when it comes to hand signaling for mobile cranes because it specifically addresses the requirements, safety measures, and operational guidelines for mobile cranes in the construction industry. This volume outlines signaling protocols, including hand signals, that must be utilized to ensure safe and effective operations.

Using standardized hand signals helps to facilitate clear communication between crane operators and ground personnel, minimizing the risk of accidents and improving overall operational efficiency. Consistency in signals is crucial since variations can lead to confusion and potential safety hazards.

The other ASME volumes address safety requirements for different types of cranes or other equipment but do not specifically focus on the hand signaling protocols associated with mobile cranes. ASME B30.2, for instance, pertains to overhead and gantry cranes, while ASME B30.10 deals with hooks and their usage. ASME B30.3 focuses on tower cranes. Hence, ASME B30.5 is the correct reference for signaling mobile cranes, ensuring that operators utilize the appropriate and safe methods for communication on the job site.