De-energization and Lockout

Agenda

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

assessments

Agenda

• Lockout procedures:• Lock removal and restarting• End of shift transfer• Removing another worker’s lock

Agenda

• Lockout Procedures – continued

• Working on energized equipment• Group lockout• Mobile equipment lockout

Training Objectives

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

Training Objectives

• Attendees will - continued

• Recognize situations where lockout is required

• Be able to conduct various lockout procedures

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

WorkSafeBC Regulations

• 10.6• Verifying lockout

• 10.7• Worker responsibilities

• 10.8• Removal of locks

WorkSafeBC Regulations

• 10.9• Group lockout procedure

• 10.10• Alternate procedures

WorkSafeBC Regulations

• 10.11• When locks are not required

• 10.12• 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

• Group Lockout• A system to simplify multiple lockout

Definitions

• Hard Start• Attempting to start equipment after de-

energization and lock out

Definitions

• Interlock• A switch that prevents machinery from

starting

Definitions

• Personal Lock• Unique lock issued to a worker

• Lockout• Use of a lock to isolate equipment

Definitions

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

point

Definitions

• Maintenance• Work done to keep equipment in safe

operating condition• Installing• Repairing• Cleaning• Lubricating• Clearing obstructions

Definitions

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

Definitions

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

Definitions

• Qualified Person• Knowledgeable of the hazards and how to

control them

Definitions

• Soft Start• Starting equipment from a computer

control station

Responsibilities

• Employer

• Senior Managers

• Managers / Supervisors

• Workers

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 Sequence1. De-energize2. Apply locks3. Verify lockout

Lockout Procedures

• Lockout Sequence - continued

4. Interlocks5. Release energy sources6. Lock removal7. 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

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

Summary

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

Questions