Machine Safety
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330-013-02-IGDO © 2013, Workplace Safety & Prevention Services (WSPS)
1 877 494 WSPS (9777) | 905 614 1400 | www.wsps.ca
Start Up Warning Devices: all parts of conveyor or other machinery not visible from control area
must give a warning before it starts passing over workers (IER, s.33)
Conveyors: provision of guards. (IER, s.34)
Lockout: lockout requirements (IER, S.42, 42.1)
Stopping and Blocking Machine: the machine must be motionless and moving parts blocked before
any cleaning, oiling, adjusting, repairing or maintaining work is done on any part of the machine.
(IER, s.75)
Starting a Machine: controls and other control mechanisms must be locked out as well as other
precautions (e.g., blanking off, energy release) where starting the machine or equipment may
endanger the worker. (IER, s.76)
There are also separate standards which apply:
Canadian Standards Association (CSA)
– CAN/CSA-Z432-04 (R2009) Safeguarding of Machinery (focus in this guideline).
– CAN/CSA-Z434-03 (R2008) Industrial Robots and Robot Systems – General Safety.
– CAN/CSA-Z142-02-10 Code for Punch Press and Brake Press Operation: Health, Safety, and
Guarding Requirements.
– CAN/CSA-Z460-05 Control of Hazardous Energy – Lockout and Other Methods
controls
There are several means for controlling machine hazards:
Safety Guards and Devices
Safety Procedures and Practices
Personal Protective Equipment
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