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What are preventive measures for hazards in confined spaces?

  1. A permit-required confined space shall be established based on a systematic form so as to ensure the safety of the confined space.
  2. Education training of Safety and Health regarding hazard prevention shall be conducted prior to any operations.
  3. Warnings shall be clearly and obviously posted; control entry and exit of employees by signing their names at the entrance.
  4. Sources of dangers or hazards entering confined spaces are covered, sealed and locked.
  5. Instruments measuring concentrations of atmospheric oxygen, hydrogen sulfide, and other hazardous gases must be installed; measures for concentration confirmation must be adopted; the air of the tank must be tested prior to allowing employees to enter.
  6. Appropriate ventilation facilities shall be installed, however, pure oxygen must not be used to air change; the space must be kept well ventilated during the operation process.
  7. Confined space supervisor shall be designated to ensure the safety of employees working therein.
  8. Permit must be obtained prior to any fire or chemical related activities in confined spaces; the activities are performed once the relevant safety facilities are checked and confirmed.
  9. Sufficient personal protective tools and safety equipment shall be provided; training of correct tool and equipment usage must be conducted.
  10. Automatic inspection of machinery equipment and fire explosion shall be implemented as regulated as well as relevant operation inspection points.
  11. Safety and Health Principles of working in confined spaces shall be established as regulated and the employees must abide by the established principles.
  12. In accordance with the Labor Safety and Health Act, business units, if outsource tasks of confined spaces to contractors, shall inform the contractors of the relevant working environment, factors leading to hazards, and measures for relevant safety and health rules prior to undertaking tasks so as to prevent hazards from occurring in confined spaces.
  13. Operators working in confined spaces shall be given education and training regarding safety and health in an oxygen-deficient environment prior to carrying out any tasks, so as to enhance their hazard prevention knowledge.