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Control of Hazardous Energy in Electromechanical Equipment

Control of Hazardous Energy in Electromechanical Equipment

Control of Hazardous Energy in Electromechanical Equipment

The control of hazardous energy (COHE) in electromechanical equipment is a critical aspect of workplace safety. It refers to the procedures and guidelines that must be followed to prevent injuries or fatalities caused by unexpected start-up, shutdown, or malfunctioning of equipment. This article will provide an overview of COHE, its importance, and the steps required to implement it effectively.

Importance of Control of Hazardous Energy

Control of hazardous energy is essential in any workplace where electromechanical equipment is used. According to OSHA (Occupational Safety and Health Administration), approximately 50 of all workplace injuries and fatalities are related to electrical and mechanical energy sources. The control of hazardous energy aims to prevent these types of accidents by ensuring that equipment is properly shut down, de-energized, or locked out before maintenance or repair work commences.

Types of Hazards Associated with Electromechanical Equipment

Electromechanical equipment poses several hazards to workers, including:

  • Electric shock: Contact with electrical sources can cause electrocution.

  • Mechanical motion: Unexpected start-up or shutdown of machinery can lead to crushing, cutting, or other types of injuries.

  • Fall from height: Equipment located on elevated surfaces can pose a risk of falls.


    • Precautions and Procedures for COHE

    To ensure the control of hazardous energy in electromechanical equipment, the following precautions and procedures must be followed:

  • Lockout/Tagout (LOTO) procedure: This involves locking out the energy source to prevent start-up or shutdown while maintenance or repair work is being performed.

  • De-energizing devices: Devices such as switch blades, circuit breakers, or valves can be used to isolate the energy source.

  • Warning signs and labels: Clearly indicating that equipment has been locked out or de-energized.


    • Implementing COHE: A Step-by-Step Guide

    To implement COHE effectively in your workplace, follow these steps:

    1. Identify potential hazards associated with electromechanical equipment.
    2. Develop a lockout/tagout procedure and communicate it to all relevant personnel.
    3. Train employees on the correct procedures for controlling hazardous energy.
    4. Implement regular maintenance and inspection schedules to ensure equipment is in good working condition.

    Key Considerations for COHE

    When implementing COHE, consider the following factors:

  • Type of equipment: Different types of equipment may require different control methods.

  • Voltage levels: Higher voltage levels pose a greater risk of electrocution.

  • Lockout/tagout procedures: Procedures must be tailored to the specific equipment and work being performed.


    • Troubleshooting Common Issues with COHE

    Common issues that may arise during implementation of COHE include:

  • Equipment failure: Equipment failure can lead to unexpected start-up or shutdown, posing a risk to workers.

  • Incorrect lockout/tagout procedures: Incorrect procedures can compromise the safety of workers and equipment.


    • QA Section

    Q: What is the difference between Lockout/Tagout (LOTO) and De-energizing devices?

    A: Lockout/tagout refers to the procedure of isolating the energy source using locks or tags, while de-energizing devices are used to isolate the energy source without the need for locking or tagging.

    Q: What types of equipment require control of hazardous energy?

    A: Any equipment that has moving parts, electrical components, or other hazards associated with start-up, shutdown, or malfunctioning requires COHE.

    Q: How often should regular maintenance and inspection schedules be performed?

    A: Regular maintenance and inspection schedules should be performed at least once a year, depending on the type of equipment and usage.

    Q: Can employees be trained to perform control of hazardous energy procedures?

    A: Yes, employees can be trained to perform COHE procedures, but it is essential to follow proper training protocols and guidelines.

    Q: What are some common mistakes made during implementation of COHE?

    A: Common mistakes include incorrect lockout/tagout procedures, failure to identify potential hazards, and lack of regular maintenance and inspection schedules.

    Conclusion

    The control of hazardous energy in electromechanical equipment is a critical aspect of workplace safety. By following proper procedures, guidelines, and precautions, employers can prevent injuries and fatalities caused by unexpected start-up, shutdown, or malfunctioning of equipment. This article provides an overview of COHE, its importance, and the steps required to implement it effectively.

    By implementing COHE correctly, you can ensure a safer working environment for your employees and minimize the risk of workplace accidents.

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