PDFWAC 296-78-56509
Mechanical barkers.
(1) Rotary barkers. Rotary barking devices must be guarded so as to protect employees from flying chips, bark, or other extraneous material.
(2) Elevating ramp. If an elevating ramp or gate is used, it must be provided with a safety chain, hook, or other means of suspension while employees are underneath.
(3) Area around barkers. The hazardous area around ring barkers and their conveyors must be fenced off or posted as a prohibited area for unauthorized persons.
(4) Enclosing hydraulic barkers. Hydraulic barkers must be enclosed with strong baffles at the inlet and outlet. The operator must be protected by adequate safety glass or equivalent.
(5) Holddown rolls must be installed at the infeed and outfeed sections of mechanical ring barkers to control the movement of logs.
(6) If such holddown rolls have a tendency to throw logs or chunks, horseshoe or equivalent type guards must be installed to contain the logs or chunks.