De-energization and Lockoutit is more
THAN A SAFETY REMINDER it is a Lesson in PREVENTION in
the WORKPLACE
Government Safety Regulations
• What sections require– When lockout required
• What sections require– Lockout procedures
• What sections require– Access to energy isolating devices
– Using Electrical panels for lockout
Government Safety Regulations
• What sections require
– Verifying lockout
• What sections require
– Worker responsibilities
• What sections require
– Removal of locks
Government Safety Regulations
• What sections require
– Group lockout procedure
• What sections require
– Alternate procedures
Government Safety Regulations
• What sections require
– When locks are not required
• What sections require
– Work on energized equipment
Definitions
• Control power
– The power source that activates the main energy source
• De-energization
– Procedure to disconnect and isolate equipment
Definitions
• Energy Sources
– Electrical
– Mechanical
– Hydraulic or Pneumatic
– Chemical
– Thermal
– Other sources
Definitions
• Energy Isolating Device
– Prevents release of energy to equipment
– May include switches, circuit breakers, valves
Definitions
• Personal Lock
– Unique lock issued to a worker
• Lockout
– Use of a lock to isolate equipment
Definitions
• Maintenance
– Work done to keep equipment in safe operating condition
– Installing
– Repairing
– Cleaning
– Lubricating
– Clearing obstructions
Definitions
• Powered Equipment or Machinery
– Equipment that uses or stores energy, and
– Can start unexpectedly, or
– Can release energy unexpectedly
Responsibilities
• Employer / Senior Management
– Establish the lockout system
– Ensure personal locks are available
– Ensure written procedures are developed
– Ensure workers are trained
Responsibilities
• Managers / Supervisors
– All workers understand and follow procedures
– Workers have personal locks
– Other lockout equipment is available
– Maintain list of equipment requiring lockout
– Workers are trained
Responsibilities
• Workers
– Participate in lockout training
– Lock out using proper procedures
– Ensure lockout is in place before starting work
– Remove personal locks when job complete
– Keep control of keys to personal lock
Hazard Identification and Assessment
• For each piece of equipment:
– Complete hazard Identification checklist
– Complete risk assessment for each hazard
– Develop lockout procedures
Lockout Procedures
• Lockout Sequence - continued
4. Interlocks
5. Release energy sources
6. Lock removal
7. End of shift transfer
Lockout Procedures
• De-energize
– Identify the energy sources
– De-energize and isolate
– If complicated, “qualified person” must de-energize
Lockout Procedures
• Apply locks
– Each worker attaches his/her own lock
– Cables cannot be used for more than 4 switches
Lockout Procedures
• Verify lockout
– First person to apply lock tests lockout
– Test from the operator’s console
– Disable computer controls or interlocks
– Attempt a soft start on computer systems
Lockout Procedures
• Interlocks
– Upstream interlocks can give false reading
– Must be noted in written procedures
Lockout Procedures
• Release Energy Sources
– Ensure all sources are released
– Written procedures should address this
Lockout Procedures
• Lock Removal and Re-starting
– Remove all tools
– Guards in place
– Notify affected employees
– Equipment in neutral
– Each worker removes his/her own lock
Lockout Procedures
• End-of-Shift Transfer
– Orderly transfer of locks
– Use to maintain lockout integrity
Lockout Procedures
• Removing Another Worker’s Lock
– Supervisor attempts to contact worker
– Supervisor removes lock as per procedures
– Document steps taken – use form
– Guards at danger points
– Notify worker prior to next shift
Lockout Procedures
• Working On Energized Equipment
– Equipment operation required during maintenance or testing
– Written alternative procedures required
Lockout Procedures
• Group Lockout
– Requires two qualified workers
– Written checklist must be used and posted
– Container secured by 2 personal locks
– Each worker must apply personal lock
– Either qualified worker can remove locks
Lockout Procedures
• Mobile Equipment Lockout
– Mobile equipment must be locked out
– Use ignition key and lockbox
– Multiple lockout procedure may be necessary
– Disconnect battery
Lockout Procedures
• Individual lockout procedures
• Equipment-specific procedures
• Lockout checklist
• Lock removal form