Which standard is recognized for its guidelines on hand signal charts?

The standard recognized for its guidelines on hand signal charts is OSHA 1926.1422. This standard is part of OSHA’s regulations that specifically address cranes and derricks in construction. It provides the necessary requirements for communication between equipment operators and ground personnel, which is critical for ensuring safety during crane operations.

Hand signal charts are essential because they help to standardize communication, reducing misunderstandings that can lead to accidents or injuries on job sites. The specific guidelines in OSHA 1926.1422 include the signals that must be used, the responsibilities of signal persons, and the need for operators to understand these signals clearly.

The other standards mentioned, such as OSHA 1910, ASME B30.5, and ASME B30.23, may cover additional aspects of crane operation, safety, and design, but they do not provide the focused guidance on hand signals that OSHA 1926.1422 does. Thus, OSHA 1926.1422 is pivotal for ensuring that hand signaling communication is standardized and understood in crane operations.