What is the primary focus of ANSI B30.5, and what types of cranes does it specifically address?

The primary focus of ANSI B30.5 is to provide safety standards for the construction, inspection, maintenance, and operation of mobile and locomotive cranes. These standards aim to prevent accidents and injuries related to the use of these cranes. ANSI B30.5 specifically addresses mobile cranes, which are self-propelled cranes with the ability to travel on various surfaces, and locomotive cranes, which are rail-mounted cranes designed for use on railroad tracks. Mobile cranes covered include lattice boom cranes, telescopic boom cranes, truck-mounted cranes, and crawler cranes. The standard provides guidelines for crane setup, load handling, signaling, and maintenance procedures to ensure safe operation. An example is specifying the requirements for pre-operational inspections of mobile cranes, including checking wire ropes, hydraulic systems, and structural components to identify any defects before use. Adhering to ANSI B30.5 standards helps ensure the safe and reliable operation of mobile and locomotive cranes.