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A Machine Guarding  Case Study Shona Kelly Occupational Health Nurse Health and Safety Inspector HSNO Enforcement Officer GradDip OSH HR Management GradDip BS Dispute Resolution PostGradDip Arts Human Services OHSIG Conference 2011
Department of Labour  National Machine Guarding Project  2010-2013 ,[object Object],[object Object],[object Object]
Who has duties? ,[object Object]
Guidelines and Standards ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Proactive Assessment Process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Alternative Proactive Assessment Process ,[object Object],[object Object],[object Object]
 
Reactive Site Assessment ,[object Object],[object Object]
Northland District Health Board  (NDHB) Laundry  Whangarei 2011
Proactive employer engagements ,[object Object],[object Object]
NDHB Site visit assessment process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
observations ,[object Object],[object Object]
NDHB presentation ,[object Object]
Outcomes ,[object Object],[object Object]
Acknowledgements ,[object Object]
National Compliance Project  Machine Guarding 18 th  May 2011
Why machine guarding? ,[object Object]
Serious Harm Incidents (Reported)  by Industry  from July 2006 to June 2009 ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],Three Year Nationwide Project
Focus area ,[object Object]
Who has duties? ,[object Object]
Human cost of unguarded machinery
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PRINCIPLES OF MACHINE GUARDING
Criteria for selecting Safeguard ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fixed Guard Guards locked by bolts that require a tool to open are acceptable if access is required no more than once per shift
Fixed Guard Fixed Distance Guard & fence Fixed guard in conjunction with light curtains
Self Adjustable guard for cutting saw SELF ADJUSTABLE FIXED GUARD
Things to check for fixed guards Is it securely fixed ? Is opening size appropriate ? Is it strong ?
Interlock  Guard Fixed Guard Interlock Guard What is the difference between these two forms of guarding?
Interlock guard ,[object Object],[object Object],[object Object]
Interlock Guard ,[object Object],[object Object],[object Object],[object Object],[object Object]
Interlock Guard for Printing Machinery
Interlock Guards for Meat Slicer and Sellotape Machine Interlock guard opened Magnetic Safety Switch Interlock Guard to prevent access
Mesh for Guards- Use  Black  Mesh for Good Visibility and  Yellow   for the frame.
[object Object],[object Object],[object Object],Access to danger area The Ergonomics of Machine Guarding
Presence Sensing Devices can be used for frequent reach into machine ,[object Object],[object Object],[object Object],[object Object],[object Object]
Presence-sensing devices   Advantages  Disadvantages  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Presence Sensing Devices- using light curtain Light curtain Foot pedal Tool Fixed guard
Single light beam or laser beam safety device Press Brake guarded with   single light beam or laser beam safety device Interlock guard at rear
Long metal folder fitted with light beams & curtain, requires two operators  Workpiece Light beams Control panel Light curtain Tool
Hierarchy for selecting safeguards If elimination not achievable ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SAFETY TRIP DEVICES Trip bar Limit switch or  pneumatic valve Pivot Cam Pressure  sensitive edge Operated by normally closed limit switch or pneumatic valve When depressed by contact  causes emergency stop and shut down power
EMERGENCY STOP WIRE ,[object Object],[object Object],[object Object],[object Object],[object Object]
TWO-HAND CONTROL DEVICE   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Guidelines and Standards ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Where to from here?

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Machine Guarding Case Study

  • 1. A Machine Guarding Case Study Shona Kelly Occupational Health Nurse Health and Safety Inspector HSNO Enforcement Officer GradDip OSH HR Management GradDip BS Dispute Resolution PostGradDip Arts Human Services OHSIG Conference 2011
  • 2.
  • 3.
  • 4.
  • 5.  
  • 6.
  • 7.
  • 8.  
  • 9.
  • 10. Northland District Health Board (NDHB) Laundry Whangarei 2011
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17. National Compliance Project Machine Guarding 18 th May 2011
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23. Human cost of unguarded machinery
  • 24.
  • 25.
  • 26. Fixed Guard Guards locked by bolts that require a tool to open are acceptable if access is required no more than once per shift
  • 27. Fixed Guard Fixed Distance Guard & fence Fixed guard in conjunction with light curtains
  • 28. Self Adjustable guard for cutting saw SELF ADJUSTABLE FIXED GUARD
  • 29. Things to check for fixed guards Is it securely fixed ? Is opening size appropriate ? Is it strong ?
  • 30. Interlock Guard Fixed Guard Interlock Guard What is the difference between these two forms of guarding?
  • 31.
  • 32.
  • 33. Interlock Guard for Printing Machinery
  • 34. Interlock Guards for Meat Slicer and Sellotape Machine Interlock guard opened Magnetic Safety Switch Interlock Guard to prevent access
  • 35. Mesh for Guards- Use Black Mesh for Good Visibility and Yellow for the frame.
  • 36.
  • 37.
  • 38.
  • 39. Presence Sensing Devices- using light curtain Light curtain Foot pedal Tool Fixed guard
  • 40. Single light beam or laser beam safety device Press Brake guarded with single light beam or laser beam safety device Interlock guard at rear
  • 41. Long metal folder fitted with light beams & curtain, requires two operators Workpiece Light beams Control panel Light curtain Tool
  • 42.
  • 43. SAFETY TRIP DEVICES Trip bar Limit switch or pneumatic valve Pivot Cam Pressure sensitive edge Operated by normally closed limit switch or pneumatic valve When depressed by contact causes emergency stop and shut down power
  • 44.
  • 45.
  • 46.
  • 47.  
  • 48. Where to from here?

Hinweis der Redaktion

  1. This slide gives a split of serious harm (Reported to DoL) by industry Note – Education have high numbers of reports – we are working with colleges and schools to ensure that the right things are reported. In some cases the incidents are not actually serious harm.