California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 6 - Power Transmission Equipment, Prime Movers, Machines and Machine Parts › Article 41 - Prime Movers and Machinery › Section 3999 - Conveyors

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Screw conveyors
						7 feet or less above floor or other working level shall be completely covered
						with substantial lids except that screw conveyors the top of which are 2 feet
						or less above the floor or other working level, or below the floor level may be
						guarded by standard railing guards having toeboards of midrail height or shall
						be guarded by substantial covers or gratings.
(b) Belt conveyor head pulleys, tail pulleys,
						single tension pulleys, dip take-up pulleys, chain conveyor head drums or
						sprockets and dip take-up drums and sprockets shall be guarded. The guard shall
						be such that a person cannot reach behind it and become caught in the nip point
						between the belt, chain, drum, pulley or sprocket.
NOTE: Conveyor belt support rollers need not be guarded
						  unless they create a potential hazard as described in Section
						  4002.
(c) Crossovers as defined in Section
						3207 of these Orders shall be
						provided where necessary, which will allow employees to pass over or cross a
						conveyor. Unless a 6-foot 6-inch headroom clearance is provided, employees
						shall not be permitted to pass under conveyors.
(d) Conveyors passing over areas that are
						occupied or used by employees shall be so guarded as to prevent the material
						transported from falling and causing injury to employees.
(e) Where employees pass under the return
						strands of chain conveyors a shallow trough or other effective means of
						sufficient strength to carry the weight of the broken chain shall be
						provided.
(f) Employees shall not
						be permitted to ride or walk on a moving power driven chain, belt or
						bucket.
(g) Conveyors using
						electrically released brakes shall be constructed so that the brakes cannot be
						released until power is applied and that the brakes are automatically engaged
						if the power fails or the operating control is returned to the "stop"
						position.
(h) Powered conveyors
						shall not be started until all exposed employees are clear of the conveyor or
						have been warned that the conveyor is about to start.
1.
						  Amendment filed 4-16-80; effective thirtieth day thereafter (Register 80, No.
						  16).
2. New subsections (i) and (j) filed 12-12-84; effective
						  thirtieth day thereafter (Register 84, No. 50).
3. Amendment filed
						  10-9-85; effective thirtieth day thereafter (Register 85, No.
						  44).
4. Amendment of subsection (c) filed 2-17-2000; operative
						  3-18-2000 (Register 2000, No. 7).
5. Change without regulatory
						  effect amending subsection (b) filed 5-24-2005 pursuant to section
						  100, title 1, California Code of
						  Regulations (Register 2005, No. 21).
6. Amendment of NOTE to
						  subsection (b) filed 3-5-2019; operative 7-1-2019 (Register 2019, No.
						  10).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.