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Primary objectives

Fear of harm ought to be proportional not merely to the gravity of the harm, but also to the probability of the event A. Arnoud, La Logique, or l’art de penser, 1662. Primary objectives. Development of a methodology to support the definition of a risk reduction strategy

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Primary objectives

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  1. Fear of harm ought to be proportional not merely to the gravity of the harm, but also to the probability of the event A. Arnoud, La Logique, or l’art de penser, 1662

  2. Primary objectives • Development of a methodology to support the definition of a risk reduction strategy • Optimising reduction of consequences, probabilities and costs • Application of the methodology to 25 hazardous activities • That take place in activities or occupations • Allowing the construction of a risk profile for that occupation • And developing a risk reduction strategy • The ultimate application takes place in the enterprises.

  3. Organisation Advisory committee T. Maddison (HSE) K. Jorgensen (Danish LI) M. Christou (EU-JRC) Project manager MinSZW (J. Oh) 10 August 2005 Project coordinator MinSZW (J. Drost) Product manager (B. Ale) Product manager (A. Bloemhoff) Technical secretary (J. Versteegen) Datawarehouse (A. Eykelestam) Costs of measures (M. Damen) Survey (J. Klein Hesselink) Software (L. Bellamy) Management factor (A. Hale) Bowtiebuilding (I. Papazoglou) Storybuilding (L.Bellamy/A. Hale) J. Whiston M. Mud M. Damen M. Samwel C. Paas J. Quik P. Sprenger P. van Grieken O. Aneziris M. Mud H. Baksteen J.P. van ‘t Zand L. Goossens R. Whitehouse S. Verschoof J. Paap J. Klein Hesselink A. Bloemhoff Quantification (R. Whitehouse) I. Papazoglou A. Bloemhoff

  4. Causes Consequences

  5. Basic causses Accident Damage Event-tree Fault-tree Bow-tie Everything leading up to the accident Verything following the accident

  6. Make barriers Take away causes Prevent accidents

  7. Outcomes rotha Event-tree Effectiveness of a barriers Need number before and after Basic failure events Fault-tree

  8. Barriers are not perfect

  9. Level of measures population With reportable accidents population without reportable accidents

  10. METRIC • The injury classes are • Death • Permanent injury • Recoverable injury • Risk is expressed as the frequency of having each of the three possible consequences per year of work.

  11. Horrible stories (reminder)

  12. Volume • 10000 accidents: to analyse • Enter the storybuilder (another paper in this conference)

  13. Hazard Activity 1 Activity 2 ….. Hazard Job Job Hazard Job Job Company

  14. Activity nr Time or nr of missions  1 2 3 4 5 6 ……. No risk RISK Jobprofile For ‘jobtitle’

  15. Story Builder Scenarios Accident data Norms Standards Regulations Bowtie Builder Bowties and Barrieres Exposure Optimizer Probabilities Management Factors Optimal Risk reduction Cost

  16. Ladders Probability Influencing Entity Influences one block at the time

  17. Cost 1 Measure 1 Bow-Tie Block Strategy 1 PIE PIE Measure 2 Cost 1 Strategy 2 PIE Bow-Tie Block Strategy 3 Measure 3 Cost 1 PIE PIE PIE Optimiser

  18. TASKS Provide Use Maintain Monitor Human influence DELIVERIES Procedures Equipment Ergonomics Availability Competence Communication Motivation Conflict-resolution Barrier

  19. PSB’s stay on stability strength Fall Cause SSB’s DELIVERIES DELIVERIES right ladder Procedures Procedures TASKS TASKS TASKS Equipment Equipment Provide Provide Provide plac&prot Ergonomics Ergonomics Use Use Use Availability Availability Maintain Maintain Maintain Competence Competence Monitor Monitor Monitor ability Communication Communication Motivation Motivation Conflict Conflict - - resolution resolution

  20. Also for PUMM % of paths = max reduction BFE BFE LCE LCE BFE BFE P + (SSB = +) cond Change % + state SSB Measure PSB CE SSB

  21. Data selection

  22. Further selection

  23. Hazardous chemicals

  24. Heinrichs Triangle Deaths 1 Permanent injuries 10 Recoverable injuries 30

  25. 1.1.1. Ladder accidents • Every year there are on average 3 deaths from falls from a ladder, 30 permanent injuries and 90 recoverable serious injuries Deaths 1 Permanent injuries 10 Recoverable injuries 30

  26. 1.1.2. Scaffold accidents • Every year there are around 70 falls from scaffold accidents Deaths 1 Permanent injuries 5 Recoverable injuries 35

  27. 2. Struck by moving vehicle • Every year there are around 120 work accidents where a person is struck by a moving vehicle. • 6% of cases analysed resulted in death • In all the cases of death the victim was in an area normally designated “safe” • In all cases management failed to provide adequate barriers at some point in the scenarios Deaths 1 Permanent injuries 7 Recoverable injuries 9

  28. 3. Falling/dropped/collapsing objects • Every year there are on average 240 accidents Deaths 1 Permanent injuries 5 Recoverable injuries 4

  29. 8.1 Machine accidents • A first pass assessment suggests that every year there are around 500 machine accidents in Nederland involving contact with moving parts Deaths 1 Permanent injuries 40 Recoverable injuries 10 Humans are no match for machines

  30. Occupational accidents (Netherlands)

  31. Get the exposure data

  32. The end W O R M

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