§ 1926.1419 Signals—general requirements.
(a) A signal person must be provided in each of the following situations:
(1) The point of operation, meaning the load travel or the area near or at load placement, is not in full view of the operator.
(2) When the equipment is traveling, the view in the direction of travel is obstructed.
(3) Due to site specific safety concerns, either the operator or the person handling the load determines that it is necessary.
(b) Types of signals. Signals to operators must be by hand, voice, audible, or new signals.
(c) Hand signals. (1) When using hand signals, the Standard Method must be used (see appendix A of this subpart). Exception: Where use of the Standard Method for hand signals is infeasible, or where an operation or use of an attachment is not covered in the Standard Method, non-standard hand signals may be used in accordance with paragraph (c)(2) of this section.