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Haddon’s Ten Strategies- prevent violence in workplace

1. Prevent the creation of the hazard in the first place:
‧ Ensure enough light both indoors and outdoors. Otherwise, install bright lighting in workplace.


2. Reduce the amount of the hazard brought into being:
‧Clearly inform employees that violence is prohibited and not tolerated.


3. Prevent the release of the hazard that already exists.
‧Providing police assistance in some locations or at night.


4. Modify the rate or spatial distribution of release of the hazard from its source:
‧Provide safety education for workers. Teach employees how to protect themselves when they involve a violence situation or if they witness violence against to others.


5. Separate, in time or space, the hazard and that which is to be protected.
‧Using metal detectors to detect guns, knives or other weapons to ensure all the workers’ safety.


6. Separate the hazard and that which is to be protected by interposition of a material barrier.
‧Separate all the hazardous tools that can be weapons during violent event. For example, lock all unused rooms to limit access. Moreover, provide shelves and lockable cases for sharp tools in the workplace.


7. Modify basic relevant qualities of the hazard.
‧Design a safe workplace for workers. Develop a secure system, appropriately, such as implementation of a surveillance system and alarm system.


8. Make what is to be protected more resistant to damage from the hazard.
‧Provide violence management training to employees. Inform employees to contact the supervisor when they are involved in a violent event.


9. Begin to counter the damage already inflicted by the environmental hazard.
‧Know the employees’ history of disease and history of mental behavior.
‧When violent event occurred, encourage employees to report incidents of violence in the workplace.


10. Provide emergency care and appropriate rehabilitation.
‧Establish a comprehensive injury reporting system and develop a care operation while injury happened.
‧Inform employees how to get assistance when they encounter a violent event.


Not like accidents, injuries can be prevented. The aim of ten strategies is reduce injuries and bases on the technological modification to provide useful concepts for employers to prevent before violent event occurred and control the severity while violent has been event occurred.