Lockout/Tagout

1
Lockout/Tagout

• Affected Employees

2
Session Objectives

• You will be able to
• Recognize hazardous energy sources
• Carry out your responsibilities related to
  lockout/tagout
• Understand the purpose and use of energy control
  devices and procedures

3
What You Need to Know

• What hazardous energy is and how it is controlled
• OSHAs lockout/tagout regulations
• Your responsibilities during and after
  lockout/tagout
• Managements responsibilities
• Lockout/tagout devices and procedures

4
What Is Hazardous Energy?

• Live or stored electricity
• Moving machine or equipment parts
• Often invisible

5
What Is Hazardous Energy? (cont.)

• Stored energy in equipment
• Heat
• Gravity
• Pneumatic, hydraulic, air and water pressure
• Steam
• Chemical

6
Hazardous Energy Injuries

• Thousands of injuries every year
• 80 of workers fail to turn off equipment
• Causes
• Unexpected start-up
• Release of stored energy
• Failure to lock/tag out

Image Credit State of WA-WISHA Services
7
Controlling Hazardous Energy

• Lockout
• Prevents machinery or equipment from being turned
  on (lockout device)
• Prevents machinery or equipment parts from moving
  (lockout device)
• Provides a warning (tagout device)

8
Lockout/Tagout Training

• Authorized employee who services machinery
• Affected employee who operates machinery
• Other employee who works near machinery

9
Your Responsibilities Related to Lockout/Tagout

• Notify maintenance when equipment needs service
  or repair
• Leave all lockout/tagout devices in place
• Await instructions before using equipment
• Verify equipment is safe to operate following
  lockout/tagout
• Follow all safety rules while operating equipment

10
Managements Responsibilities

• Ensure de-energization of equipment
• Ensure employee awareness
• Provide appropriate levels of training
• Review program effectiveness
• Maintain and revise the lockout/tagout program
• Administer appropriate discipline for violations

11
Recognize and Control Hazardous Energy

• Do you understand the information presented so
  far?

12
Energy Isolation Device

• Isolate the equipment from the energy source
• Isolation device
• Circuit breaker
• Pressure valve
• Machine block

13
Lockout Device

• Lock
• Block
• Chain
• Multilock hasp
• Wheel valve cover
• Ball valve cover

14
Tagout Device

• Warning device only
• Readable
• Attached securely
• Resistant to degradation
• Removed only by an authorized employee

15
Requirements for Lockout/Tagout Devices

• Lockout/tagout devices must be
• Durable
• Standardized
• Substantial
• Identifiable

Image Credit State of WA-WISHA Services
16
Typical Equipment Requiring Lockout/Tagout

• Presses
• Power saws
• Conveyors
• Pumps
• Production equipment
• Trash compactors

17
When Lockout/Tagout Devices Must Be Used

• Servicing or maintaining machinery or equipment
• Hazardous energy exists
• Unexpected start-up could occur

18
Actions That Trigger Lockout/Tagout

• Removing or bypassing a safety device
• Any part of the body is placed in harms way
• Exposure to hazardous energy

19
Lockout/Tagout Exceptions

• Work where the potential for hazardous energy
  does not exist
• Activities performed during routine production
  processes
• Work on cord-controlled devices
• Hot tap operations where shutdown is not feasible
  

Image Credit State of WA-WISHA Services
20
Lockout/Tagout Procedure

• Authorized employee will
• Notify affected employees
• Shut down energized equipment
• Isolate energy sources from equipment
• Lock out or tag out the energy isolation device
• Release stored energy
• Test

21
Restart Procedure

• Authorized employee will
• Clean up and inspect work area
• Clear personnel from start-up area and notify
  affected employees of start-up
• Remove lockout devices or tags and reenergize
  machinery or equipment
• Restart equipment

22
Lockout/Tagout Devices and Procedures

• Do you understand the information presented in
  the previous slides?

23
Key Points to Remember

• Hazardous energy is dangerous and deadly
• Lockout/tagout is used whenever unexpected
  start-up or stored energy release could occur
• Be sure to leave all lockout/tagout devices in
  place and wait for instructions before using
  equipment
• Verify that equipment is safe to operate
  following lockout/tagout