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(a) Wood chippers shall be provided with a feed throat extending not less than 36 inches from the knives, and the minimum access distance from the ground or other working level to the knives (measured vertically and horizontally) shall not be less than 88 inches.
(b) Chippers shall be provided with a swinging baffle at the mouth of the chipper or hopper, a screen between the chipper and operator, or some other means of protecting employees from material thrown back by the chipper knives.
(c) All conveyor-fed chippers shall be equipped with a trip bar or emergency stop located where employees can readily reach it to immediately stop the conveyor.
(d) A metal detector shall be installed whenever possible.
(e) Access covers or doors shall not be opened until the drum or disk is at a complete stop. A permanent plate carrying this instruction shall be attached in a prominent place on or near the covers or doors.
(f) Employees feeding or tending chippers shall be provided with and required to use safety belts and lines, unless the employees are otherwise protected from falling into the chipper.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of subsection (a) filed 1-16-81; effective thirtieth day thereafter (Register 81, No. 3).
2. Amendment of subsection (d) and new subsection (f) filed 2-6-85; effective thirtieth day thereafter (Register 85, No. 6).