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Lockout/TagoutAffected Employees
Massachusetts Manufacturing Self-Insurance Group, Inc.
Safety Awareness For Everyone from Cove Risk Services
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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
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What You Need to Know
– What hazardous energy is and how it is controlled
– OSHA’s lockout/tagout regulations
– Your responsibilities during and after lockout/tagout
– Management’s responsibilities
– Lockout/tagout devices and procedures
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What Is Hazardous Energy?
– Live or stored electricity– Moving machine or
equipment parts– Often invisible
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What Is Hazardous Energy? (cont.)
Stored energy in equipment:• Heat• Gravity• Pneumatic, hydraulic,
air and water pressure• Steam• Chemical
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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 ServicesImage Credit: State of WA-WISHA Services
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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)
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Lockout/Tagout Training
– “Authorized employee” who services machinery
– “Affected employee” who operates machinery
– “Other employee” who works near machinery
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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
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Management’s 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
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Recognize and Control Hazardous Energy
– Do you understand the information presented so far?
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Energy Isolation Device
– Isolate the equipment from the energy source
– Isolation device• Circuit breaker• Pressure valve• Machine block
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Lockout Device
– Lock– Block– Chain– Multilock hasp– Wheel valve cover– Ball valve cover
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Tagout Device
– Warning device only– Readable– Attached securely– Resistant to
degradation– Removed only by an
authorized employee
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Requirements for Lockout/Tagout Devices
Lockout/tagout devices must be:
• Durable• Standardized• Substantial• Identifiable
Image Credit: State of WA-WISHA ServicesImage Credit: State of WA-WISHA Services
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Typical Equipment Requiring Lockout/Tagout
– Presses– Power saws– Conveyors– Pumps– Production equipment– Trash compactors
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When Lockout/Tagout Devices Must Be Used
– Servicing or maintaining machinery or equipment
– Hazardous energy exists
– Unexpected start-up could occur
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Actions That Trigger Lockout/Tagout
– Removing or bypassing a safety device
– Any part of the body is placed in harm’s way
– Exposure to hazardous energy
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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 ServicesImage Credit: State of WA-WISHA Services
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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
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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
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Lockout/Tagout Devices and Procedures
– Do you understand the information presented in the previous slides?
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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