All accessible screw conveyors shall be guarded by substantial covers or gratings or with an inverted horizontally slotted guard of the trough type which will prevent personnel from coming into contact with the screw.
NOTE: Such guards may consist of horizontal bars spaced to allow material to be fed into the conveyor and supported by arches which shall be not more than 8 feet apart.
EXCEPTION: Screw conveyors under gin stands shall be considered guarded by location.
Cal. Code Regs. Tit. 8, § 4647
2. Amendment filed 2-24-86; effective thirtieth day thereafter (Register 86, No. 9).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
2. Amendment filed 2-24-86; effective thirtieth day thereafter (Register 86, No. 9).