Which document outlines the required hand signals to be used for signaling cranes according to OSHA?

The correct answer is based on the importance of adhering to established guidelines for crane operations. OSHA 1926. Subpart CC Appendix A specifically details the necessary hand signals for crane operators and signal persons. This documentation is crucial because it promotes safety and consistency in communication during lifting operations, ultimately minimizing the risk of accidents on job sites.

By following these standardized hand signals, all personnel involved in crane operations have a common understanding of the signals being used, which is vital in preventing misunderstandings that could lead to dangerous situations. The inclusion of this appendix in the OSHA regulations signifies its authority and relevance in ensuring compliance with safety practices in construction environments.