De-energization and Lockout

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De-energization and Lockout
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Agenda

• WorkSafeBC OHS Regulations
• Definitions
• Responsibilities
• Risk identification and hazard assessments

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Agenda

• Lockout procedures
• Lock removal and restarting
• End of shift transfer
• Removing another workers lock

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Agenda

• Lockout Procedures continued
• Working on energized equipment
• Group lockout
• Mobile equipment lockout

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Training Objectives

• Attendees will
• Understand various terms and definitions
• Be familiar with WorkSafeBC Regulations
• Know your responsibilities

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Training Objectives

• Attendees will - continued
• Recognize situations where lockout is required
• Be able to conduct various lockout procedures

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WorkSafeBC Regulations

• 10.2 10.3
• When lockout required
• 10.4
• Lockout procedures
• 10.5
• Access to energy isolating devices
• Using Electrical panels for lockout

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WorkSafeBC Regulations

• 10.6
• Verifying lockout
• 10.7
• Worker responsibilities
• 10.8
• Removal of locks

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WorkSafeBC Regulations

• 10.9
• Group lockout procedure
• 10.10
• Alternate procedures

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WorkSafeBC Regulations

• 10.11
• When locks are not required
• 10.12
• Work on energized equipment

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Definitions

• Control power
• The power source that activates the main energy
  source
• De-energization
• Procedure to disconnect and isolate equipment

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Definitions

• Energy Sources
• Electrical
• Mechanical
• Hydraulic or Pneumatic
• Chemical
• Thermal
• Other sources

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Definitions

• Energy Isolating Device
• Prevents release of energy to equipment
• May include switches, circuit breakers, valves

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Definitions

• Group Lockout
• A system to simplify multiple lockout

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Definitions

• Hard Start
• Attempting to start equipment after
  de-energization and lock out

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Definitions

• Interlock
• A switch that prevents machinery from starting

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Definitions

• Personal Lock
• Unique lock issued to a worker
• Lockout
• Use of a lock to isolate equipment

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Definitions

• Lockout Scissors
• Allows more than one lock on a lockout point

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Definitions

• Maintenance
• Work done to keep equipment in safe operating
  condition
• Installing
• Repairing
• Cleaning
• Lubricating
• Clearing obstructions

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Definitions

• Normal production
• Routine, repetitive work
• Integral to normal use of equipment

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Definitions

• Powered Equipment or Machinery
• Equipment that uses or stores energy, and
• Can start unexpectedly, or
• Can release energy unexpectedly

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Definitions

• Qualified Person
• Knowledgeable of the hazards and how to control
  them

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Definitions

• Soft Start
• Starting equipment from a computer control station

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Responsibilities

• Employer
• Senior Managers
• Managers / Supervisors
• Workers

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Responsibilities

• Employer / Senior Management
• Establish the lockout system
• Ensure personal locks are available
• Ensure written procedures are developed
• Ensure workers are trained

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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

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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

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Hazard Identification and Assessment

• For each piece of equipment
• Complete hazard Identification checklist
• Complete risk assessment for each hazard
• Develop lockout procedures

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Lockout Procedures

• Lockout Sequence
• De-energize
• Apply locks
• Verify lockout

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Lockout Procedures

• Lockout Sequence - continued
• Interlocks
• Release energy sources
• Lock removal
• End of shift transfer

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Lockout Procedures

• De-energize
• Identify the energy sources
• De-energize and isolate
• If complicated, qualified person must
  de-energize

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Lockout Procedures

• Apply locks
• Each worker attaches his/her own lock
• Cables cannot be used for more than 4 switches

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Lockout Procedures

• Verify lockout
• First person to apply lock tests lockout
• Test from the operators console
• Disable computer controls or interlocks
• Attempt a soft start on computer systems

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Lockout Procedures

• Interlocks
• Upstream interlocks can give false reading
• Must be noted in written procedures

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Lockout Procedures

• Release Energy Sources
• Ensure all sources are released
• Written procedures should address this

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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

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Lockout Procedures

• End-of-Shift Transfer
• Orderly transfer of locks
• Use to maintain lockout integrity

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Lockout Procedures

• Removing Another Workers 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

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Lockout Procedures

• Working On Energized Equipment
• Equipment operation required during maintenance
  or testing
• Written alternative procedures required

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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

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Lockout Procedures

• Mobile Equipment Lockout
• Mobile equipment must be locked out
• Use ignition key and lockbox
• Multiple lockout procedure may be necessary
• Disconnect battery

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Lockout Procedures

• Individual lockout procedures
• Equipment-specific procedures
• Lockout checklist
• Lock removal form

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Summary

• Lockout procedures protect YOU
• Follow lockout procedures
• Never attempt lockout without training
• Control your lock and key
• Understand all procedures
• Report unsafe acts and conditions

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Summary

• Review of topics
• WorkSafeBC Regulation
• Responsibilities
• Hazard identification and risk assessments
• Lockout procedures

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• Questions