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Lockout Tagout – Hazardous Energy Control

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					                                   Lockout / Tagout – Hazardous Energy Control

1. Training Levels:                                          6)  Thermal (temperature);
    Authorized Employee – A person who locks                7)  Compressed or extended springs;
       out or tags out machines or equipment to do           8)  Potential energy due to gravity;
       maintenance work on them.                             9)  Stored energy as in fly wheels;
    Affected Employee – An employee who                     10) Static electricity;
       operates or uses a machine or equipment on            11) Stored electrical energy as in batteries or
       which servicing or maintenance is being                   capacitors; or
       performed under lockout or tagout, or works in        12) Other Energy.
       an area where lockout/tagout is used.
    Other Employee – An employee whose work             6. Applying Lockout / Tagout:
       operations are, or may be, in an area where          1) Prepare for shutdown by notifying the affected
       energy control procedures may be utilized.              employees and identifying energy sources.
                                                            2) Shutdown the machine or equipment following
2. When Does Lockout Apply:                                    an orderly, establish procedure.
    An employee is required to remove or bypass a          3) Isolate equipment
     guard or other safety device to engage in              4) Apply lockout / tagout devices to each energy
     lubrication, cleaning, unjamming, making                  isolating device following the established
     adjustments, or tool changes.                             procedure.
    An employee is required to place any part of his       5) Release stored energy so that a zero energy
     body into a machine’s point of operation or a             state is reached.
     danger zone associated with a machine’s                6) Verification by turning the controls to the “on”
     operating cycle.                                          position and then back to the “off” position.

   Note: The standard does not apply to cord and plug    7. Release From Lockout / Tagout:
   connected electric equipment when unplugging the         1) Check the machine – replace guards, remove
   equipment controls the hazards and the plug in              tools, remove blocking devices, and make sure
   under the exclusive control of the employee who is          equipment is ready to operate;
   doing the service or maintenance work.                   2) Check for employee; and
                                                            3) Remove lockout / tagout devices.
3. Energy Control Program Requirements:
   Must at least have the following:                     8. Requirement of Locks and Tags:
    Energy control procedures                               Be provided by the employer;
    Employee training                                       Be used as intended for lockout only; not to lock
    Periodic inspections                                      toolboxes etc. May not be lent out;
                                                             Must be durable and able to hold up to the
   4. Energy Control Written Procedures:                       environmental condition where used;
    Outline the Intended use of the procedures.             Have a standard color, shape, or size within the
    Indicate specific steps to lockout or tagout the          facility;
      machines or equipment.                                 Be strong enough to prevent accidental removal
    Include rules and authorizations for using the            without the use of force; and
      procedure, and                                         Identify the employee who applies it.
    Have an explanation of how compliance will be
      enforced.                                              Note: Guards and interlocking devices can not be
                                                             substituted for lockout devices.
   Note: The procedures do not need to be
   documented if there is a single energy source that    9. Additional requirements for Tags:
   can be readily identified and locked out.                 Have a standard print and format; and
                                                             Include a warning such as, “Do Not Open”, “Do
5. Locking Out Energy Sources:                                 Not Close”, “Do Not Energize”, or “Do Not
   When writing a procedure for locking out a machine,         Operate”.
   the following energy sources and magnitude must           Tag Attachments must be:
   be considered:                                               Non-reusable,
                                                                Attached by hand,
   1)   Electrical (voltage or current);                        Equivalent to a one-piece nylon cable tie.
   2)   Mechanical (force or speed);
   3)   Hydraulic (pressure);                            Note: Tags should not be used where it is possible to
   4)   Pneumatic (pressure);                            lock out a machine. If an employer can demonstrate that
   5)   Chemical (concentration, etc.);                  a tagout system provides full protection, tagout can be
used alone, but would need to take additional               13. Outside Contractors:
precautions such as:                                            Outside contractors are also required to follow the
                                                                Energy Control Program and lockout / tagout
       Removing and isolating a circuit element,               procedures. Your company must understand and
       Blocking a controlling switch,                          comply with the contractor’s procedures as well.
       Opening an extra disconnect switch, or
       Removing a valve handle.                            14. Special Situations:
                                                            1) Group lockout / tagout procedures;
10. Training Requirements:                                       Each person must apply his or her own lock to a
     Initial training:                                            multiple lockout device.
    Authorized Employees:                                        During group lockout / tagout, one authorized
         Recognize hazardous energy sources.                      employee is designated to have primary
         Identify the types and magnitude of the                  authority for a set number of authorized
             energy sources.                                       employees.
         Isolate and control hazardous energy.                  The employee with primary authority for the
    Affected Employee:                                             group LOTO device keeps track of each
         Understand why lockout / tagout procedures               authorized employee’s exposure status during
             are used.                                             the job.
         Comply with lockout tagout procedures.                 Typically, the employee with primary authority is
    Other Employees:                                               the last employee to remove his personal lock
         Know why these procedures are used, but                  from the group LOTO device.
             not details of how lockout / tagout is done.   2) Maintaining lockout / tagout during shift or
         Understand that they are to never attempt to          personnel change;
             restart equipment that has been locked or           An authorized employee is not allowed to merely
             tagged out.                                           give the key to his lockout device to his
    All Employees:                                                 replacement. The on-going worker applies his
         Must know the limitations of using a tagout              LOTO device and the off-going worker removes
             procedure alone.                                      his. A multiple-lock hasp should have been
     Retraining:                                                  used so that one lock can be applied before the
        Authorized and affected employees need                     other is removed.
        refresher training when there is a change in:       3) Testing or positioning machines and equipment;
         Their job assignment                                   During some repairs, it is necessary to activate
                                                                   the machine to test or position equipment or
         Lockout tagout procedures
                                                                   components. Lockout can be temporarily
         Machines, equipment, or processes that
                                                                   suspended, and these activities can be carried
             present a new hazard.
                                                                   out safely when certain precautions are
        Additional training may be needed if the
                                                                   followed.
        employer finds that an employee on not
                                                                    Clear the machine of tools and materials,
        following the procedures or does not understand
        them.                                                       Remove employees from the machine,
                                                                    Remove the LOTO devices and notify
11. Lockout Tagout Inspections:                                         affected employees that they have been
     Periodic inspections must be done to make sure                    removed.
       proper procedures are being followed. At a                   Energize and proceed with testing or
       minimum, inspections are done annually.                          positioning,
     An inspection must be done by an authorized                   Deenergize all systems, notify affected
       employee who does not work with the                              employees, and reapply LOTO devices.
       equipment being inspected.                                   Continue service work.
        Inspections must address the following             4) Removal of lockout / tagout when the authorized
           questions:                                           employee is not available;
            Do the workers understand lockout /                 The employer must verify that the authorized
               tagout?                                             employee who applied the device is not at the
            Are the proper locks and tags being                   facility.
               used?                                             Reasonable efforts to contact the authorized
            Are lockout / tagout procedures being                 employee must be made to let him know that his
               followed?                                           or her LOTO devices have been removed.
                                                                 Steps must be taken to ensure that the
12. Documentation and Recordkeeping:                               authorized employee knows about the LOTO
     The following records must be kept:                          device removal before he or she comes back to
                                                                   work at the facility.
        Training and retraining certifications
                                                                                                    www.twssite.com
        Inspection certifications
                                                                                 OSHA Standard - 29 CFR 1910.147

				
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Jun Wang Jun Wang Dr
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