Lockout/TagoutLockout/Tagout

Other Other EmployeesEmployees

Why lockout/tagout is Why lockout/tagout is necessarynecessary

Prevents injury due to unexpected Prevents injury due to unexpected startup of equipment or released startup of equipment or released energyenergy

Maintenance/servicing operations Maintenance/servicing operations often require employee to place often require employee to place part or all of his/her body into part or all of his/her body into machine’s point of operationmachine’s point of operation

1a

Machinery/equipment that Machinery/equipment that may be locked/taggedmay be locked/tagged

The need to lock out The need to lock out machinery/equipment depends on machinery/equipment depends on the hazards due to unexpected the hazards due to unexpected energization or energization or release of energyrelease of energy

1b

Machinery/equipment that Machinery/equipment that may be locked/taggedmay be locked/tagged

Type, size, complexity of Type, size, complexity of equipment does not influence equipment does not influence whether or not it is locked/tagged whether or not it is locked/tagged outout

1c

Energy control programEnergy control program

Types of employeesTypes of employees• Authorized employeesAuthorized employees• Affected employeesAffected employees• Other employeesOther employees

2a

Energy control programEnergy control program

Each piece of equipment has its Each piece of equipment has its own set of proceduresown set of procedures

TrainingTraining

Periodic auditsPeriodic audits

2b

Steps for lockout/tagoutSteps for lockout/tagout

Authorized employee prepares for Authorized employee prepares for shutdownshutdown

Authorized employee shuts down Authorized employee shuts down machine or equipmentmachine or equipment

Authorized employee isolates Authorized employee isolates machine or equipment from energy machine or equipment from energy sourcesource

3a

Steps for lockout/tagoutSteps for lockout/tagout

Authorized employee applies Authorized employee applies lockout/tagout deviceslockout/tagout devices

Authorized employee releases Authorized employee releases stored energystored energy

Authorized employee verifies the Authorized employee verifies the lockout and release of stored energylockout and release of stored energy

3b

Restoring energy to the Restoring energy to the equipment/machineequipment/machine

The employee who applied the lock The employee who applied the lock removes itremoves it

Authorized employee ensures that Authorized employee ensures that employees are safeemployees are safe

Authorized employee notifies Authorized employee notifies affected employeesaffected employees

4a

Lockout devicesLockout devices

Types usedTypes used

Standardized for easy recognitionStandardized for easy recognition

5a

Lockout devicesLockout devices

Authorized employees may never Authorized employees may never use someone use someone else’s lockout deviceelse’s lockout device

The lock must identify The lock must identify the person who the person who applied itapplied it

5b

TagsTags

Types usedTypes used

Standardized for easy recognitionStandardized for easy recognition

6a

Lockout devicesLockout devices

The attachment means for a tag The attachment means for a tag must be:must be:• non-reusablenon-reusable• attachable by handattachable by hand• self-locking and non-reusable with self-locking and non-reusable with

locking strength of 50 poundslocking strength of 50 pounds• equivalent to a one-piece, all-equivalent to a one-piece, all-

environment-tolerant nylon cable tieenvironment-tolerant nylon cable tie

7a

Lockout devicesLockout devices

The tag’s legend must include the The tag’s legend must include the following types of statements:following types of statements:

7b

Hazardous energy sourcesHazardous energy sources

ElectricalElectrical

MechanicalMechanical

PneumaticPneumatic

8a

Hazardous energy sourcesHazardous energy sources

HydraulicHydraulic

ChemicalChemical

ThermalThermal

8b

Hazardous energy sourcesHazardous energy sources

Water under Water under pressurepressure

GravityGravity

PotentialPotential

8c