PDFWAC 296-54-547
Rigging—General.
(1) Rigging must be arranged and operated so that rigging and loads will not foul or saw against lines, straps, blocks, or other equipment or material.
(2) When not in use, rigging must be stored so that it does not present a hazard to employees.
(3) Tongs, grapples, logs and materials must not be swung or suspended over employees.
(4) All employees must be in the clear of running lines, standing skylines, moving rigging, or suspended loads until the rigging or loads have completely stopped.
(5) Riding on a turn of logs or rigging is prohibited, except on the passline. Holding on to moving rigging or chokers to be pulled uphill is prohibited.