Course Hero Logo

SH5002-6 Occupational Safety & Health.pdf - Fundamentals in...

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 1 - 15 out of 65 pages.

Fundamentals in Industrial SafetyLecture 6 - Occupational Safety & HealthManagement System
ProductionProtectionBankruptcyCatastropheProductionProtectionNeglecting safety could lead to serious consequence10 September 20162
Accident Causation Theory10 September 20163
Heinrich’s Domino TheoryIn 1931, W.H. Heinrich developed the domino theory98% of all accidents are caused by unsafe acts and actions and 2%by “acts of God”A 5-step accident sequence occurred in which each factor wouldactuate the next step just like a row of falling dominoesRemoving a single domino in the row, the sequence would beinterrupted, thus preventing the accidentThe key domino to be removed from the sequence is unsafe Act &Unsafe condition10 September 20164
Heinrich’s Domino Theory5-step Accident SequenceSocial EnvironmentFault ofPersonsAccidentUnsafe Act &Unsafe ConditionInjury10 September 20165
The removal of the Central Factor(Unsafe Act & Condition) makesthe action of preceding factors ineffective10 September 2016Heinrich’s Domino TheoryUnsafe Act &UnsafeConditionInjuryAccidentSocialEnvironmentFault ofPersons6
Contactwith energyorsubstanceIncidentPersonalfactorsJobfactorsBasicCausesSub-standard acts&conditionsImmediateCausesInadequateprogrammesInadequateprogrammestandardsInadequatecompliance tostandardsSystem FailureLossPeoplePropertyProcessSurface causesRoot causes10 September 20167Multiple Causation Theory
Multiple Causation TheoryIn any single accident, there may be many contributingsurface and root causesThis theory brings out the fact that rarely, if ever, is anaccident the result of a single cause or act10 September 20168
10 September 20169A majority of accidents involve both sub-standard practices and sub-standard conditions. All these are only symptoms.Behind the symptoms are the basic causes, the personal factors andjobfactors whichledtothe substandardactsandsubstandardconditions.One should determine what deficiencies in the management system,such as lack of training, inadequate maintenance, poor hiring andplacement, permitted or caused those personal and job factorsMultiple Causation Theory
HazardsLossesDefences / BarriersRelationship between Hazards, Defences and Losses10 September 201610
Swiss Cheese Model10 September 201611
James Reason (1990, 1997) made a key distinction between theactive,operationalerrors(“unsafeacts”)andthelatent(organisational) conditionsReason stated that“systemsaccidents have their primary origins inthe fallible decisions made by designers and high-level (corporate orplant) managerial decisionmakers”Active errors were therefore seen as symptoms or tokens of adefective systemSwiss Cheese Model10 September 201612
PEOPLEENVIRONMENTSYSTEM10 September 201613
Occupational Safety & Health ManagementSystem (OSHMS)10 September 201614

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 65 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Winter
Professor
N/A
Tags

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture