What document outlines safety requirements for crane operations including signal protocol?

The document that outlines safety requirements for crane operations, including signal protocol, is the ASME B30.5 standard. This standard specifically addresses safety practices and requirements concerning the use of mobile and crawler cranes, providing comprehensive guidelines for their operation, signaling, and maintenance. By following the ASME B30.5, operators and signal persons ensure safe practices are adhered to during crane operations, which helps mitigate risks associated with lifting and transporting loads. This standard is recognized widely in the industry, making it a crucial reference for ensuring compliance with safety protocols in crane operations.