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Lockout/Tagout
Authorized Employee
© Business & Legal Reports, Inc. 0605
Session Objectives
This session covers the safety procedure known as “Lockout/Tagout,” which is required by OSHA in its standard on
Control of Hazardous Energy. This is part of your training in becoming an “authorized employee”—an employee who
services or maintains machinery and equipment.
The main objectives of this session are to train you, as an authorized employee,
to be able to:
•Recognize hazardous energy sources – to know when machinery and equipment
may be hazardous to others;
•Understand your responsibilities to other employees in making sure they are
safe; and
•Control hazardous energy by following lockout/tagout procedures.
© Business & Legal Reports, Inc. 0605
What Is
Hazardous Energy?
• Often invisible—it’s not
immediately obvious that a
hazard exists;
• Live or stored electricity; or
• Machine or equipment parts
that are still moving—or
have the potential to move
—after shut-off.
Think about examples of
hazardous energy in our
workplace, including
machinery or equipment that
could injure someone even
after it is shut down.
© Business & Legal Reports, Inc. 0605
Photo credit: State of WA-WISHA Services
What Is
Hazardous Energy? (cont.)
One major category of hazardous
energy is the energy stored in
machinery or equipment after the
machinery has been turned off.
Examples include:
• Heat;
• The force of gravity that could
cause machinery to continue to
move;
• Pressure of fluids or air, as with
pneumatic or hydraulic equipment;
• Steam, such as when it remains in
a pipe after shut-off; or
• Chemicals that might remain under
pressure or subject to the force of
gravity.
© Business & Legal Reports, Inc. 0605
Photo credit: State of WA-WISHA Services
Hazardous Energy Injuries
The release of hazardous energy can cause
extremely serious injuries. This is why
lockout/tagout procedures are so important.
• There are about 7,600 injuries every year
resulting from hazardous energy related to
electricity. Injuries include electrocution,
burns, amputation, cuts, scalding, and
crushing.
• Many of these injuries could be prevented
simply by turning off equipment and making
sure it stays off before servicing it. In fact, a
government study showed that 80 percent of
workers fail to turn off equipment before
servicing it.
• The primary causes of these types of injuries
result from:
• Unexpected start-up of equipment.
• The release of stored energy in a machine
or piece of equipment; or
• Failure to lock out or tag out machinery or
equipment.
© Business & Legal Reports, Inc. 0605
Controlling
Hazardous Energy
As an authorized employee, it’s your job to know how to control
hazardous energy. Here are some ways to do this:
• First, follow lockout and tagout procedures—that is, use devices that
prevent access to hazardous energy or that warn others to avoid it;
• Prevent machinery or equipment from being turned on during
servicing and maintenance;
• Prevent parts of machinery and equipment from moving, usually by
using locking devices; and
• Provide means of warning others, usually with warning tags, when it
is not possible to lock out controls or parts.
Have you ever been in a situation when a machine started up or an
equipment part moved unexpectedly? It can be pretty frightening, and it
shows why preventing it is so important.
© Business & Legal Reports, Inc. 0605
Lockout/Tagout
Regulations
Our lockout/tagout program is required by law—specifically by the Code
of Federal Regulations, Title 29, Section 1910.147—and is regulated by
the Occupational Safety and Health Administration, or OSHA. The
following employees must be trained in lockout/tagout procedures:
• “Authorized employees”—those who service machinery and
equipment.
• “Affected employees”—those who operate machinery and equipment,
but do not service them. (If you do both, then you need to be an
“authorized employee.”)
• Finally, “other employees” need to be trained. These are workers
who do not service or operate machinery or equipment, but who work
nearby and need to know about energy control procedures.
© Business & Legal Reports, Inc. 0605
Authorized Employee
It’s important to understand what being
an “authorized employee” means.
• First, an authorized employee is
specially trained to recognize
sources of hazardous energy and
to perform lockout or tagout
procedures.
• Second, an authorized employee is
the only type of employee who can
perform lockout/tagout procedures,
and attach or remove locks and
tags. No other employee may do
so.
© Business & Legal Reports, Inc. 0605
Authorized Employee
Responsibilities
Here are the main responsibilities of being an authorized
employee:
• Repair or service equipment as needed;
• Ensure that all sources of hazardous energy are locked out;
• Test equipment to make sure that any residual energy is
dissipated; and
• Place warning tags on equipment to make sure other
employees do not inadvertently start it up when it’s being
serviced or repaired.
© Business & Legal Reports, Inc. 0605
Authorized Employee
Responsibilities (cont.)
Other key responsibilities of an authorized
employee include these:
• Obtain assistance whenever you need it
when repairing machinery or
equipment. Having an extra pair of
eyes and ears to watch out for hazards
is a good way to stay safe.
• Remove locks or tags when the service
or repair work is done, and let other
employees know when the job is
finished. Remember, only authorized
employees can remove locks or tags.
• Finally, authorized employees should
coordinate repair work that must take
place over more than one shift.
Normally, authorized employees from
the first shift should remove lockout or
tagout devices and watch as authorized
employees from the next shift place
their own locks or tags.
© Business & Legal Reports, Inc. 0605
Affected Employee
Now that we have described the
responsibilities of an authorized
employee, let’s take a few minutes to
discuss the responsibilities of an
“affected employee.”
• An affected employee is one who
operates machinery or equipment,
but is not responsible for servicing
or repairing it.
• However, an affected employee
must be trained to know the
purpose and use of energy control
procedures. This is to make sure
that an operator does not
inadvertently energize machinery
or equipment when it is under
lockout or tagout.
© Business & Legal Reports, Inc. 0605
Affected Employee
Responsibilities
Affected employees have important responsibilities related to
lockout/tagout.
• First, they are the ones who must notify maintenance
personnel when equipment needs to be repaired or serviced.
• When machinery is being serviced, affected employees must
leave all lockout/tagout devices in place.
• Affected employees should verify that the machinery or
equipment is safe to operate after lockout/tagout is finished.
• Finally, affected employees should follow all safety rules when
operating the equipment.
© Business & Legal Reports, Inc. 0605
Company Responsibilities
Our company has certain important responsibilities in the control of
hazardous energy.
• We must ensure that machinery or equipment is de-energized when
it’s time for service or repair.
• We must ensure that employees are aware of hazardous energy and
how to avoid injury from it.
• We must provide employees with the appropriate level of training,
depending on whether you are an “authorized,” “affected,” or “other”
employee.
• We must periodically review our hazardous energy control program to
make sure it remains effective.
• We must maintain our program and revise it whenever necessary.
• And finally, we must take appropriate disciplinary actions if
employees do not follow proper hazardous energy control
procedures.
© Business & Legal Reports, Inc. 0605
Recognize and Control
Hazardous Energy
• Do you understand recognizing and
controlling hazardous energy? Now it’s time
to ask yourself if you understand the
information presented so far.
It is important for your safety that you
understand proper procedures in recognizing
and controlling hazardous energy.
© Business & Legal Reports, Inc. 0605
Photo credit: State of WA-WISHA Services
Energy Isolation Device
Now let’s focus on some of the devices to
be used and procedures to be followed
when implementing lockout/tagout.
• An energy isolation device is a device
used to isolate the machinery or
equipment from its energy source.
Before you perform any service or
maintenance on a machine; before
there is any possibility that there could
an unexpected start-up or release of
energy that could cause an injury, use
an isolation device.
• Examples of an energy isolation device
include:
• An electrical circuit breaker;
• A pressure valve, such as a pipeline
valve like the one shown here; or
• A machine block.
© Business & Legal Reports, Inc. 0605
Lockout Device
A lockout device is a device that
physically prevents access to the
controls of a machine or piece of
equipment. There are many kinds of
lockout devices that might be used,
depending on the situation, but all
such devices must be capable of being
locked. In addition, all types of lockout
devices must be durable and capable
of withstanding attempts to unlock or
open it. Examples include:
• A lock,
• A block,
• A chain,
• A multilock hasp,
• A wheel cover valve, or
• A ball valve cover.
© Business & Legal Reports, Inc. 0605
Tagout Device
A tagout device is used when it is
impossible to use a lockout device.
• Tagout devices are for warning
purposes only; they do not control
hazardous energy;
• They must be readable and legible
so that anyone working near them
can notice and understand them;
• They must be attached securely to
the isolating device, at the same
place a lockout device would be
attached;
• They must be resistant to
degradation, so that they cannot
be crumpled or unreadable;
• And finally, tagout devices can be
removed only by an “authorized
employee.”
© Business & Legal Reports, Inc. 0605
Requirements for
Lockout/Tagout Devices
All lockout and tagout devices must
share certain characteristics:
• They must be durable, and
capable of withstanding the
environment they’re in;
• They should be standardized by
color, size, and shape, so that they
are more easily recognized by
employees;
• They should be substantial enough
that they cannot be accidentally
removed; and
• They should be identifiable as
safety devices, with a legend that
uses phrases such as “Do Not
Operate,” “Do Not Start,” or “Do
Not Energize.”
Photo credit: State of WA-WISHA ServicesPhoto credit: State of WA-WISHA Services
© Business & Legal Reports, Inc. 0605
Typical Equipment
Requiring Lockout/Tagout
Any machinery or equipment that
contains or stores hazardous energy is
subject to lockout/tagout. Examples
include:
• Presses,
• Power saws,
• Conveyors,
• Pumps,
• Production equipment, or
• Trash compactors.
Take a moment to think about the
machinery and equipment in your
workplace that is subject to
lockout/tagout.
© Business & Legal Reports, Inc. 0605
When to Use
Lockout/Tagout Devices
When should lockout/tagout
procedures be used? They must be
used whenever:
• Machinery or equipment is being
serviced, maintained, or repaired.
• Hazardous energy exists, such as
electricity from a service outlet, a
generator, or a battery, and
• Unexpected start-up could occur,
such as if a machine operator were
to start up a machine without
realizing it is being serviced.
Remember to consider all possible
sources of hazardous energy, and
don’t take chances with the safety of
your fellow employees by failing to
require lockout/tagout. A good rule to
follow is: When in doubt, lock it out!
© Business & Legal Reports, Inc. 0605
Actions that Trigger
Lockout/Tagout
Keep in mind that actions and circumstances that trigger
lockout/tagout procedures. Basically, any time an employee
could be injured by the equipment during shutdown, it should be
de-energized and locked out. Examples of circumstances like
these include:
• Removing or bypassing a safety device while performing
service or repair;
• Placing any part of the body in harm’s way during servicing;
and
• Being potentially exposed to hazardous energy when doing
service or repair work.
© Business & Legal Reports, Inc. 0605
Lockout/Tagout Exceptions
Occasionally, there are exceptions to lockout/tagout requirements.
Examples of these exceptions include:
• Working where there is no hazardous energy that might be released.
• Routine adjustments to a machine that are part of normal operation.
These do not require lockout, but it’s a good idea to have a second
person near a disconnect who can shut down the equipment while
the first person works on it.
• Equipment that is controlled by a power cord does not require
lockout/tagout because energy is controlled simply by pulling the
plug. However, there are lockout devices that fit the male end of an
electrical plug, and it’s a good idea to use these to prevent any
possibility that the equipment could be plugged in unexpectedly while
it’s being serviced.
• Finally, “hot tap” operations that could conceivably shut down a plant
are not subject to lockout/tagout if doing so would affect the operation
of the plant as a whole.
© Business & Legal Reports, Inc. 0605
Lockout/Tagout Procedure
When performing lockout/tagout procedures, authorized employees must
follow these basic steps before servicing or repairing energized
machines or equipment:
• First, affected employees should be notified of the planned lockout or
tagout.
• Then, the machinery or equipment must be shut down.
• Next, isolate the machinery or equipment from all energy sources.
• Lock out or tag out the energy isolation device.
• All stored energy must be released or restrained from the equipment.
• Finally, the machine must be tested—that is, there should be an
attempt to re-start it—to make sure that isolation and de-energization
have actually occurred.
© Business & Legal Reports, Inc. 0605
Restart Procedure
Following proper restart procedures after lockout/tagout is as important
for safety as the original shutdown and de-energization. Here are the
basic restart procedures to follow:
• First, inspect the equipment carefully. Make sure that nonessential
items, such as tools or old parts, have been removed and that all
components are intact. The inspection should be done before any
lockout or tagout devices are removed.
• Next, clear all employees away from the equipment.
• Then, notify all affected employees that all lockout or tagout devices
are about to be removed and the equipment is about to be restarted.
• Now, remove locks and tags.
• Reactivate any isolation devices that may have been de-activated.
• Finally, restart the machinery or equipment.
© Business & Legal Reports, Inc. 0605
Lockout/Tagout
Devices and Procedures
• Do you understand lockout/tagout devices
and procedures for controlling hazardous
energy? Now it’s time to ask yourself if you
understand the material presented.
It is important for your safety that you
understand lockout/tagout devices and
procedures for controlling hazardous energy.
© Business & Legal Reports, Inc. 0605
Key Points to Remember
Here are the key points to remember from this training session on
lockout/tagout:
• First, hazardous energy is dangerous and deadly. Failure to lock out
equipment is a leading cause of death and injury in the workplace.
Employees need to follow safety procedures whenever they perform
maintenance or service on machines and equipment.
• Use lockout/tagout whenever there is the possibility of an unexpected
startup or release of stored energy. Don’t take chances. Remember
the safety rule from before: When in doubt, lock it out!
• Always follow the proper lockout/tagout and restart procedures.
Don’t cut corners to try to save time or because you think the
procedures are not necessary. The safety of everyone is at stake.
• Finally, remember to keep all affected employees and other
employees informed about lockout/tagout procedures. Let them
know what you are doing and why it’s important to their safety.
This concludes the training session on Lockout/Tagout.

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Lockout/Tagout

  • 2. © Business & Legal Reports, Inc. 0605 Session Objectives This session covers the safety procedure known as “Lockout/Tagout,” which is required by OSHA in its standard on Control of Hazardous Energy. This is part of your training in becoming an “authorized employee”—an employee who services or maintains machinery and equipment. The main objectives of this session are to train you, as an authorized employee, to be able to: •Recognize hazardous energy sources – to know when machinery and equipment may be hazardous to others; •Understand your responsibilities to other employees in making sure they are safe; and •Control hazardous energy by following lockout/tagout procedures.
  • 3. © Business & Legal Reports, Inc. 0605 What Is Hazardous Energy? • Often invisible—it’s not immediately obvious that a hazard exists; • Live or stored electricity; or • Machine or equipment parts that are still moving—or have the potential to move —after shut-off. Think about examples of hazardous energy in our workplace, including machinery or equipment that could injure someone even after it is shut down.
  • 4. © Business & Legal Reports, Inc. 0605 Photo credit: State of WA-WISHA Services What Is Hazardous Energy? (cont.) One major category of hazardous energy is the energy stored in machinery or equipment after the machinery has been turned off. Examples include: • Heat; • The force of gravity that could cause machinery to continue to move; • Pressure of fluids or air, as with pneumatic or hydraulic equipment; • Steam, such as when it remains in a pipe after shut-off; or • Chemicals that might remain under pressure or subject to the force of gravity.
  • 5. © Business & Legal Reports, Inc. 0605 Photo credit: State of WA-WISHA Services Hazardous Energy Injuries The release of hazardous energy can cause extremely serious injuries. This is why lockout/tagout procedures are so important. • There are about 7,600 injuries every year resulting from hazardous energy related to electricity. Injuries include electrocution, burns, amputation, cuts, scalding, and crushing. • Many of these injuries could be prevented simply by turning off equipment and making sure it stays off before servicing it. In fact, a government study showed that 80 percent of workers fail to turn off equipment before servicing it. • The primary causes of these types of injuries result from: • Unexpected start-up of equipment. • The release of stored energy in a machine or piece of equipment; or • Failure to lock out or tag out machinery or equipment.
  • 6. © Business & Legal Reports, Inc. 0605 Controlling Hazardous Energy As an authorized employee, it’s your job to know how to control hazardous energy. Here are some ways to do this: • First, follow lockout and tagout procedures—that is, use devices that prevent access to hazardous energy or that warn others to avoid it; • Prevent machinery or equipment from being turned on during servicing and maintenance; • Prevent parts of machinery and equipment from moving, usually by using locking devices; and • Provide means of warning others, usually with warning tags, when it is not possible to lock out controls or parts. Have you ever been in a situation when a machine started up or an equipment part moved unexpectedly? It can be pretty frightening, and it shows why preventing it is so important.
  • 7. © Business & Legal Reports, Inc. 0605 Lockout/Tagout Regulations Our lockout/tagout program is required by law—specifically by the Code of Federal Regulations, Title 29, Section 1910.147—and is regulated by the Occupational Safety and Health Administration, or OSHA. The following employees must be trained in lockout/tagout procedures: • “Authorized employees”—those who service machinery and equipment. • “Affected employees”—those who operate machinery and equipment, but do not service them. (If you do both, then you need to be an “authorized employee.”) • Finally, “other employees” need to be trained. These are workers who do not service or operate machinery or equipment, but who work nearby and need to know about energy control procedures.
  • 8. © Business & Legal Reports, Inc. 0605 Authorized Employee It’s important to understand what being an “authorized employee” means. • First, an authorized employee is specially trained to recognize sources of hazardous energy and to perform lockout or tagout procedures. • Second, an authorized employee is the only type of employee who can perform lockout/tagout procedures, and attach or remove locks and tags. No other employee may do so.
  • 9. © Business & Legal Reports, Inc. 0605 Authorized Employee Responsibilities Here are the main responsibilities of being an authorized employee: • Repair or service equipment as needed; • Ensure that all sources of hazardous energy are locked out; • Test equipment to make sure that any residual energy is dissipated; and • Place warning tags on equipment to make sure other employees do not inadvertently start it up when it’s being serviced or repaired.
  • 10. © Business & Legal Reports, Inc. 0605 Authorized Employee Responsibilities (cont.) Other key responsibilities of an authorized employee include these: • Obtain assistance whenever you need it when repairing machinery or equipment. Having an extra pair of eyes and ears to watch out for hazards is a good way to stay safe. • Remove locks or tags when the service or repair work is done, and let other employees know when the job is finished. Remember, only authorized employees can remove locks or tags. • Finally, authorized employees should coordinate repair work that must take place over more than one shift. Normally, authorized employees from the first shift should remove lockout or tagout devices and watch as authorized employees from the next shift place their own locks or tags.
  • 11. © Business & Legal Reports, Inc. 0605 Affected Employee Now that we have described the responsibilities of an authorized employee, let’s take a few minutes to discuss the responsibilities of an “affected employee.” • An affected employee is one who operates machinery or equipment, but is not responsible for servicing or repairing it. • However, an affected employee must be trained to know the purpose and use of energy control procedures. This is to make sure that an operator does not inadvertently energize machinery or equipment when it is under lockout or tagout.
  • 12. © Business & Legal Reports, Inc. 0605 Affected Employee Responsibilities Affected employees have important responsibilities related to lockout/tagout. • First, they are the ones who must notify maintenance personnel when equipment needs to be repaired or serviced. • When machinery is being serviced, affected employees must leave all lockout/tagout devices in place. • Affected employees should verify that the machinery or equipment is safe to operate after lockout/tagout is finished. • Finally, affected employees should follow all safety rules when operating the equipment.
  • 13. © Business & Legal Reports, Inc. 0605 Company Responsibilities Our company has certain important responsibilities in the control of hazardous energy. • We must ensure that machinery or equipment is de-energized when it’s time for service or repair. • We must ensure that employees are aware of hazardous energy and how to avoid injury from it. • We must provide employees with the appropriate level of training, depending on whether you are an “authorized,” “affected,” or “other” employee. • We must periodically review our hazardous energy control program to make sure it remains effective. • We must maintain our program and revise it whenever necessary. • And finally, we must take appropriate disciplinary actions if employees do not follow proper hazardous energy control procedures.
  • 14. © Business & Legal Reports, Inc. 0605 Recognize and Control Hazardous Energy • Do you understand recognizing and controlling hazardous energy? Now it’s time to ask yourself if you understand the information presented so far. It is important for your safety that you understand proper procedures in recognizing and controlling hazardous energy.
  • 15. © Business & Legal Reports, Inc. 0605 Photo credit: State of WA-WISHA Services Energy Isolation Device Now let’s focus on some of the devices to be used and procedures to be followed when implementing lockout/tagout. • An energy isolation device is a device used to isolate the machinery or equipment from its energy source. Before you perform any service or maintenance on a machine; before there is any possibility that there could an unexpected start-up or release of energy that could cause an injury, use an isolation device. • Examples of an energy isolation device include: • An electrical circuit breaker; • A pressure valve, such as a pipeline valve like the one shown here; or • A machine block.
  • 16. © Business & Legal Reports, Inc. 0605 Lockout Device A lockout device is a device that physically prevents access to the controls of a machine or piece of equipment. There are many kinds of lockout devices that might be used, depending on the situation, but all such devices must be capable of being locked. In addition, all types of lockout devices must be durable and capable of withstanding attempts to unlock or open it. Examples include: • A lock, • A block, • A chain, • A multilock hasp, • A wheel cover valve, or • A ball valve cover.
  • 17. © Business & Legal Reports, Inc. 0605 Tagout Device A tagout device is used when it is impossible to use a lockout device. • Tagout devices are for warning purposes only; they do not control hazardous energy; • They must be readable and legible so that anyone working near them can notice and understand them; • They must be attached securely to the isolating device, at the same place a lockout device would be attached; • They must be resistant to degradation, so that they cannot be crumpled or unreadable; • And finally, tagout devices can be removed only by an “authorized employee.”
  • 18. © Business & Legal Reports, Inc. 0605 Requirements for Lockout/Tagout Devices All lockout and tagout devices must share certain characteristics: • They must be durable, and capable of withstanding the environment they’re in; • They should be standardized by color, size, and shape, so that they are more easily recognized by employees; • They should be substantial enough that they cannot be accidentally removed; and • They should be identifiable as safety devices, with a legend that uses phrases such as “Do Not Operate,” “Do Not Start,” or “Do Not Energize.” Photo credit: State of WA-WISHA ServicesPhoto credit: State of WA-WISHA Services
  • 19. © Business & Legal Reports, Inc. 0605 Typical Equipment Requiring Lockout/Tagout Any machinery or equipment that contains or stores hazardous energy is subject to lockout/tagout. Examples include: • Presses, • Power saws, • Conveyors, • Pumps, • Production equipment, or • Trash compactors. Take a moment to think about the machinery and equipment in your workplace that is subject to lockout/tagout.
  • 20. © Business & Legal Reports, Inc. 0605 When to Use Lockout/Tagout Devices When should lockout/tagout procedures be used? They must be used whenever: • Machinery or equipment is being serviced, maintained, or repaired. • Hazardous energy exists, such as electricity from a service outlet, a generator, or a battery, and • Unexpected start-up could occur, such as if a machine operator were to start up a machine without realizing it is being serviced. Remember to consider all possible sources of hazardous energy, and don’t take chances with the safety of your fellow employees by failing to require lockout/tagout. A good rule to follow is: When in doubt, lock it out!
  • 21. © Business & Legal Reports, Inc. 0605 Actions that Trigger Lockout/Tagout Keep in mind that actions and circumstances that trigger lockout/tagout procedures. Basically, any time an employee could be injured by the equipment during shutdown, it should be de-energized and locked out. Examples of circumstances like these include: • Removing or bypassing a safety device while performing service or repair; • Placing any part of the body in harm’s way during servicing; and • Being potentially exposed to hazardous energy when doing service or repair work.
  • 22. © Business & Legal Reports, Inc. 0605 Lockout/Tagout Exceptions Occasionally, there are exceptions to lockout/tagout requirements. Examples of these exceptions include: • Working where there is no hazardous energy that might be released. • Routine adjustments to a machine that are part of normal operation. These do not require lockout, but it’s a good idea to have a second person near a disconnect who can shut down the equipment while the first person works on it. • Equipment that is controlled by a power cord does not require lockout/tagout because energy is controlled simply by pulling the plug. However, there are lockout devices that fit the male end of an electrical plug, and it’s a good idea to use these to prevent any possibility that the equipment could be plugged in unexpectedly while it’s being serviced. • Finally, “hot tap” operations that could conceivably shut down a plant are not subject to lockout/tagout if doing so would affect the operation of the plant as a whole.
  • 23. © Business & Legal Reports, Inc. 0605 Lockout/Tagout Procedure When performing lockout/tagout procedures, authorized employees must follow these basic steps before servicing or repairing energized machines or equipment: • First, affected employees should be notified of the planned lockout or tagout. • Then, the machinery or equipment must be shut down. • Next, isolate the machinery or equipment from all energy sources. • Lock out or tag out the energy isolation device. • All stored energy must be released or restrained from the equipment. • Finally, the machine must be tested—that is, there should be an attempt to re-start it—to make sure that isolation and de-energization have actually occurred.
  • 24. © Business & Legal Reports, Inc. 0605 Restart Procedure Following proper restart procedures after lockout/tagout is as important for safety as the original shutdown and de-energization. Here are the basic restart procedures to follow: • First, inspect the equipment carefully. Make sure that nonessential items, such as tools or old parts, have been removed and that all components are intact. The inspection should be done before any lockout or tagout devices are removed. • Next, clear all employees away from the equipment. • Then, notify all affected employees that all lockout or tagout devices are about to be removed and the equipment is about to be restarted. • Now, remove locks and tags. • Reactivate any isolation devices that may have been de-activated. • Finally, restart the machinery or equipment.
  • 25. © Business & Legal Reports, Inc. 0605 Lockout/Tagout Devices and Procedures • Do you understand lockout/tagout devices and procedures for controlling hazardous energy? Now it’s time to ask yourself if you understand the material presented. It is important for your safety that you understand lockout/tagout devices and procedures for controlling hazardous energy.
  • 26. © Business & Legal Reports, Inc. 0605 Key Points to Remember Here are the key points to remember from this training session on lockout/tagout: • First, hazardous energy is dangerous and deadly. Failure to lock out equipment is a leading cause of death and injury in the workplace. Employees need to follow safety procedures whenever they perform maintenance or service on machines and equipment. • Use lockout/tagout whenever there is the possibility of an unexpected startup or release of stored energy. Don’t take chances. Remember the safety rule from before: When in doubt, lock it out! • Always follow the proper lockout/tagout and restart procedures. Don’t cut corners to try to save time or because you think the procedures are not necessary. The safety of everyone is at stake. • Finally, remember to keep all affected employees and other employees informed about lockout/tagout procedures. Let them know what you are doing and why it’s important to their safety. This concludes the training session on Lockout/Tagout.

Editor's Notes

  1. Slide Show Notes This session covers the safety procedure known as “Lockout/Tagout,” which is required by OSHA in its standard on Control of Hazardous Energy. This is part of your training in becoming an “authorized employee”—an employee who services or maintains machinery and equipment.
  2. Slide Show Notes The main objectives of this session are to train you, as an authorized employee, to be able to: Recognize hazardous energy sources – to know when machinery and equipment may be hazardous to others; Understand your responsibilities to other employees in making sure they are safe; and Control hazardous energy by following lockout/tagout procedures.
  3. Slide Show Notes What is hazardous energy? It’s important to know the possible sources of hazardous energy in order to protect yourself and other employees. Hazardous energy is: Often invisible—it’s not immediately obvious that a hazard exists; Live or stored electricity; or Machine or equipment parts that are still moving—or have the potential to move—after shut-off. Think about examples of hazardous energy in our workplace, including machinery or equipment that could injure someone even after it is shut down. Describe the types of energy sources at your facility. Modify the slide to list the energy sources at your facility.
  4. Slide Show Notes One major category of hazardous energy is the energy stored in machinery or equipment after the machinery has been turned off. Examples include: Heat; The force of gravity that could cause machinery to continue to move; Pressure of fluids or air, as with pneumatic or hydraulic equipment; Steam, such as when it remains in a pipe after shut-off; or Chemicals that might remain under pressure or subject to the force of gravity.
  5. Slide Show Notes The release of hazardous energy can cause extremely serious injuries. This is why lockout/tagout procedures are so important. There are about 7,600 injuries every year resulting from hazardous energy related to electricity. Injuries include electrocution, burns, amputation, cuts, scalding, and crushing. Many of these injuries could be prevented simply by turning off equipment and making sure it stays off before servicing it. In fact, a government study showed that 80 percent of workers fail to turn off equipment before servicing it. The primary causes of these types of injuries result from: Unexpected start-up of equipment. The release of stored energy in a machine or piece of equipment; or Failure to lock out or tag out machinery or equipment.
  6. Slide Show Notes As an authorized employee, it’s your job to know how to control hazardous energy. Here are some ways to do this: First, follow lockout and tagout procedures—that is, use devices that prevent access to hazardous energy or that warn others to avoid it; Prevent machinery or equipment from being turned on during servicing and maintenance; Prevent parts of machinery and equipment from moving, usually by using locking devices; and Provide means of warning others, usually with warning tags, when it is not possible to lock out controls or parts. Have you ever been in a situation when a machine started up or an equipment part moved unexpectedly? It can be pretty frightening, and it shows why preventing it is so important. Discuss the types of equipment the company has that may need to be locked out.
  7. Slide Show Notes Our lockout/tagout program is required by law—specifically by the Code of Federal Regulations, Title 29, Section 1910.147—and is regulated by the Occupational Safety and Health Administration, or OSHA. The following employees must be trained in lockout/tagout procedures: “Authorized employees”—those who service machinery and equipment. “Affected employees”—those who operate machinery and equipment, but do not service them. (If you do both, then you need to be an “authorized employee.”) Finally, “other employees” need to be trained. These are workers who do not service or operate machinery or equipment, but who work nearby and need to know about energy control procedures.
  8. Slide Show Notes It’s important to understand what being an “authorized employee” means. First, an authorized employee is specially trained to recognize sources of hazardous energy and to perform lockout or tagout procedures. Second, an authorized employee is the only type of employee who can perform lockout/tagout procedures, and attach or remove locks and tags. No other employee may do so.
  9. Slide Show Notes Here are the main responsibilities of being an authorized employee: Repair or service equipment as needed; Ensure that all sources of hazardous energy are locked out; Test equipment to make sure that any residual energy is dissipated; and Place warning tags on equipment to make sure other employees do not inadvertently start it up when it’s being serviced or repaired.
  10. Slide Show Notes Other key responsibilities of an authorized employee include these: Obtain assistance whenever you need it when repairing machinery or equipment. Having an extra pair of eyes and ears to watch out for hazards is a good way to stay safe. Remove locks or tags when the service or repair work is done, and let other employees know when the job is finished. Remember, only authorized employees can remove locks or tags. Finally, authorized employees should coordinate repair work that must take place over more than one shift. Normally, authorized employees from the first shift should remove lockout or tagout devices and watch as authorized employees from the next shift place their own locks or tags.
  11. Slide Show Notes Now that we have described the responsibilities of an authorized employee, let’s take a few minutes to discuss the responsibilities of an “affected employee.” An affected employee is one who operates machinery or equipment, but is not responsible for servicing or repairing it. However, an affected employee must be trained to know the purpose and use of energy control procedures. This is to make sure that an operator does not inadvertently energize machinery or equipment when it is under lockout or tagout.
  12. Slide Show Notes Affected employees have important responsibilities related to lockout/tagout. First, they are the ones who must notify maintenance personnel when equipment needs to be repaired or serviced. When machinery is being serviced, affected employees must leave all lockout/tagout devices in place. Affected employees should verify that the machinery or equipment is safe to operate after lockout/tagout is finished. Finally, affected employees should follow all safety rules when operating the equipment.
  13. Slide Show Notes Our company has certain important responsibilities in the control of hazardous energy. We must ensure that machinery or equipment is de-energized when it’s time for service or repair. We must ensure that employees are aware of hazardous energy and how to avoid injury from it. We must provide employees with the appropriate level of training, depending on whether you are an “authorized,” “affected,” or “other” employee. We must periodically review our hazardous energy control program to make sure it remains effective. We must maintain our program and revise it whenever necessary. And finally, we must take appropriate disciplinary actions if employees do not follow proper hazardous energy control procedures.
  14. Slide Show Notes Do you understand recognizing and controlling hazardous energy? Now it’s time to ask yourself if you understand the information presented so far. It is important for your safety that you understand proper procedures in recognizing and controlling hazardous energy. Conduct an exercise that illustrates the causes of hazardous energy injuries, if appropriate.
  15. Slide Show Notes Now let’s focus on some of the devices to be used and procedures to be followed when implementing lockout/tagout. An energy isolation device is a device used to isolate the machinery or equipment from its energy source. Before you perform any service or maintenance on a machine; before there is any possibility that there could an unexpected start-up or release of energy that could cause an injury, use an isolation device. Examples of an energy isolation device include: An electrical circuit breaker; A pressure valve, such as a pipeline valve like the one shown here; or A machine block. Describe or show examples of energy isolation devices in your workplace.
  16. Slide Show Notes A lockout device is a device that physically prevents access to the controls of a machine or piece of equipment. There are many kinds of lockout devices that might be used, depending on the situation, but all such devices must be capable of being locked. In addition, all types of lockout devices must be durable and capable of withstanding attempts to unlock or open it. Examples include: A lock, A block, A chain, A multilock hasp, A wheel cover valve, or A ball valve cover. Show examples of locks used at your facility.
  17. Slide Show Notes A tagout device is used when it is impossible to use a lockout device. Tagout devices are for warning purposes only; they do not control hazardous energy; They must be readable and legible so that anyone working near them can notice and understand them; They must be attached securely to the isolating device, at the same place a lockout device would be attached; They must be resistant to degradation, so that they cannot be crumpled or unreadable; And finally, tagout devices can be removed only by an “authorized employee.” Show examples of tags used at your facility.
  18. Slide Show Notes All lockout and tagout devices must share certain characteristics: They must be durable, and capable of withstanding the environment they’re in; They should be standardized by color, size, and shape, so that they are more easily recognized by employees; They should be substantial enough that they cannot be accidentally removed; and They should be identifiable as safety devices, with a legend that uses phrases such as “Do Not Operate,” “Do Not Start,” or “Do Not Energize.”
  19. Slide Show Notes Any machinery or equipment that contains or stores hazardous energy is subject to lockout/tagout. Examples include: Presses, Power saws, Conveyors, Pumps, Production equipment, or Trash compactors. Take a moment to think about the machinery and equipment in your workplace that is subject to lockout/tagout. Show trainees the type of machinery and equipment subject to lockout/tagout procedures, if feasible. Modify this slide to list the energized equipment used at your facility.
  20. Slide Show Notes When should lockout/tagout procedures be used? They must be used whenever: Machinery or equipment is being serviced, maintained, or repaired. Hazardous energy exists, such as electricity from a service outlet, a generator, or a battery, and Unexpected start-up could occur, such as if a machine operator were to start up a machine without realizing it is being serviced. Remember to consider all possible sources of hazardous energy, and don’t take chances with the safety of your fellow employees by failing to require lockout/tagout. A good rule to follow is: When in doubt, lock it out!
  21. Slide Show Notes Keep in mind that actions and circumstances that trigger lockout/tagout procedures. Basically, any time an employee could be injured by the equipment during shutdown, it should be de-energized and locked out. Examples of circumstances like these include: Removing or bypassing a safety device while performing service or repair; Placing any part of the body in harm’s way during servicing; and Being potentially exposed to hazardous energy when doing service or repair work.
  22. Slide Show Notes Occasionally, there are exceptions to lockout/tagout requirements. Examples of these exceptions include: Working where there is no hazardous energy that might be released. Routine adjustments to a machine that are part of normal operation. These do not require lockout, but it’s a good idea to have a second person near a disconnect who can shut down the equipment while the first person works on it. Equipment that is controlled by a power cord does not require lockout/tagout because energy is controlled simply by pulling the plug. However, there are lockout devices that fit the male end of an electrical plug, and it’s a good idea to use these to prevent any possibility that the equipment could be plugged in unexpectedly while it’s being serviced. Finally, “hot tap” operations that could conceivably shut down a plant are not subject to lockout/tagout if doing so would affect the operation of the plant as a whole.
  23. Slide Show Notes When performing lockout/tagout procedures, authorized employees must follow these basic steps before servicing or repairing energized machines or equipment: First, affected employees should be notified of the planned lockout or tagout. Then, the machinery or equipment must be shut down. Next, isolate the machinery or equipment from all energy sources. Lock out or tag out the energy isolation device. All stored energy must be released or restrained from the equipment. Finally, the machine must be tested—that is, there should be an attempt to re-start it—to make sure that isolation and de-energization have actually occurred. Instruct trainees about your company’s specific lockout/tagout procedures. Modify this and subsequent slides to include site-specific procedures.
  24. Slide Show Notes Following proper restart procedures after lockout/tagout is as important for safety as the original shutdown and de-energization. Here are the basic restart procedures to follow: First, inspect the equipment carefully. Make sure that nonessential items, such as tools or old parts, have been removed and that all components are intact. The inspection should be done before any lockout or tagout devices are removed. Next, clear all employees away from the equipment. Then, notify all affected employees that all lockout or tagout devices are about to be removed and the equipment is about to be restarted. Now, remove locks and tags. Reactivate any isolation devices that may have been de-activated. Finally, restart the machinery or equipment. Instruct trainees about your company’s specific restart procedures.
  25. Slide Show Notes Do you understand lockout/tagout devices and procedures for controlling hazardous energy? Now it’s time to ask yourself if you understand the material presented. It is important for your safety that you understand lockout/tagout devices and procedures for controlling hazardous energy. Conduct an exercise that illustrates the lockout/tagout procedures at your facility.
  26. Slide Show Notes Here are the key points to remember from this training session on lockout/tagout: First, hazardous energy is dangerous and deadly. Failure to lock out equipment is a leading cause of death and injury in the workplace. Employees need to follow safety procedures whenever they perform maintenance or service on machines and equipment. Use lockout/tagout whenever there is the possibility of an unexpected startup or release of stored energy. Don’t take chances. Remember the safety rule from before: When in doubt, lock it out! Always follow the proper lockout/tagout and restart procedures. Don’t cut corners to try to save time or because you think the procedures are not necessary. The safety of everyone is at stake. Finally, remember to keep all affected employees and other employees informed about lockout/tagout procedures. Let them know what you are doing and why it’s important to their safety. This concludes the training session on Lockout/Tagout.