lockout tagout - energy isolation technology

LOTO

1. Lockout - TagoutLockout - Tagout
Control of Control of
Hazardous EnergyHazardous Energy
OSHA Standard OSHA Standard
1910.1471910.147

2. You will learn…You will learn…
 Purpose of Lockout- Purpose of Lockout- TagoutTagout
Requirements for LOTORequirements for LOTO
 Types of Hazardous Types of Hazardous EnergyEnergy
 Procedures for LOTOProcedures for LOTO

3. Types of EnergyTypes of Energy

ElectricalElectrical

MechanicalMechanical

ChemicalChemical

ThermalThermal

HydraulicHydraulic

PneumaticPneumatic

4. Electric shock can killElectric shock can kill

as low as 30 volts can carry enough as low as 30 volts can carry enough
current to killcurrent to kill

5. Use Safe Electrical PracticesUse Safe Electrical Practices

Use non-conducting toolsUse non-conducting tools

Check circuits dead Check circuits dead
before workingbefore working

Lock & Tag source Lock & Tag source
breakers not switchesbreakers not switches

Ensure all control power Ensure all control power
is de-energizedis de-energized

Discharge all capacitors Discharge all capacitors
after Lockoutafter Lockout

6. Mechanical Energy Mechanical Energy
HazardsHazards
2 Types 2 Types

Kinetic – in Kinetic – in
motionmotion

Potential - Potential -
storedstored

7. Kinetic Energy HazardsKinetic Energy Hazards
Energy of moving machinery can Energy of moving machinery can
cause cause
 AmputationsAmputations
 LacerationsLacerations
 FracturesFractures
 Loss of lifeLoss of life

8. Potential Energy HazardsPotential Energy Hazards

Energy stored in machinery Energy stored in machinery

WeightsWeights & & SpringsSprings

Pistons under pressurePistons under pressure

Hydraulic controlsHydraulic controls

Stored potential energy can be Stored potential energy can be
released during work causing released during work causing
injury or deathinjury or death

9. Chemical Energy HazardsChemical Energy Hazards
Chemicals have energy that can Chemicals have energy that can
start firesstart fires
cause skin burnscause skin burns
generate harmful gases or generate harmful gases or
fumesfumes

Before working – release, drain Before working – release, drain
or vent chemicals safelyor vent chemicals safely

10. Thermal Energy HazardsThermal Energy Hazards
Energy of Heat (and cold)Energy of Heat (and cold)

Hot equipment & fluids will burn youHot equipment & fluids will burn you

Cold fluids can cause injury alsoCold fluids can cause injury also

Quick release of compresses gases Quick release of compresses gases
can freeze your skincan freeze your skin

Allow equipment to reach a safe Allow equipment to reach a safe
temperature before starting work.temperature before starting work.

11. Hydraulic EnergyHydraulic Energy
Energy of Liquids Under PressureEnergy of Liquids Under Pressure
 pressure can cause equipment to pressure can cause equipment to
movemove
 rapid release can cause injury rapid release can cause injury
 or ejection of system partsor ejection of system parts
Relieve pressure slowly into a proper Relieve pressure slowly into a proper
containercontainer

12. Pneumatic Energy HazardsPneumatic Energy Hazards
Energy of Compressed GasesEnergy of Compressed Gases
–uncontrolled release can cause uncontrolled release can cause
injuryinjury
–rapid de-pressurization creates rapid de-pressurization creates
extreme low temperatureextreme low temperature

Properly vent all systems before Properly vent all systems before
starting workstarting work

13. First Step In LOTOFirst Step In LOTO
Know your equipment & systemsKnow your equipment & systems
–hazardshazards
–isolation pointsisolation points
–procedure for Lockoutprocedure for Lockout
Working on unfamiliar machinery is a Working on unfamiliar machinery is a
hazardhazard

14. Who Can Lockout Who Can Lockout
Equipment?Equipment?
Only Employees who have Only Employees who have
been trained and been trained and
authorized by managementauthorized by management

15. Items needed for LOTOItems needed for LOTO

Written LOTO schedule Written LOTO schedule

Locks & Tags - identified to the worker Locks & Tags - identified to the worker

Hasps - for placing locks & tags Hasps - for placing locks & tags

Breaker Clips - for electrical LOTO Breaker Clips - for electrical LOTO

Blank Flanges (pancakes)- for fluid Blank Flanges (pancakes)- for fluid
lines lines

Valve Covers - for LOTO of Valves Valve Covers - for LOTO of Valves

Plug Buckets - for electrical plugs Plug Buckets - for electrical plugs

16. Use of Locks & TagsUse of Locks & Tags

Use only those issued to youUse only those issued to you

Never use another workers lock Never use another workers lock
or tagor tag

Ask your supervisor if you need Ask your supervisor if you need
more LOTO equipmentmore LOTO equipment

17. 6 Step LOTO Procedure6 Step LOTO Procedure

Prepare for Shutdown Prepare for Shutdown

Shutdown Equipment Shutdown Equipment

Isolate all energy sources Isolate all energy sources

Place Locks & Tags Place Locks & Tags

Release Stored Energy Release Stored Energy

Verify Equipment IsolationVerify Equipment Isolation

18. 1.  Prepare for Shutdown 1.  Prepare for Shutdown
Understand equipment Understand equipment
hazardshazards
Notify other workers of Notify other workers of
shutdownshutdown

19. 2.  Shutdown Equipment 2.  Shutdown Equipment
Use normal shutdown Use normal shutdown
procedureprocedure
Turn all switches to OFFTurn all switches to OFF
Shut all control valvesShut all control valves
Disable all sources of energyDisable all sources of energy

20. 3.  Isolate All Energy 3.  Isolate All Energy
Sources Sources
Shut valves Shut valves
Open breakers & disconnects Open breakers & disconnects

21. 4. Place Locks & Tags on4. Place Locks & Tags on
ValvesValves
Breakers / electrical disconnectsBreakers / electrical disconnects
Block or disconnect all linesBlock or disconnect all lines
Lock and tag blank flangesLock and tag blank flanges

22. 5.  Release or Block 5.  Release or Block
all Stored Energyall Stored Energy

Discharge capacitorsDischarge capacitors

Block or release springsBlock or release springs

Block elevated partsBlock elevated parts

Stop rotating flywheelsStop rotating flywheels

Relieve system pressureRelieve system pressure

Drain fluidsDrain fluids

Vent gasesVent gases

Allow system to coolAllow system to cool

23. 6.  Verify Equipment 6.  Verify Equipment
IsolationIsolation

Check all other workers are clear Check all other workers are clear

Check locking devices securely Check locking devices securely
placed placed

Check isolationCheck isolation

Attempt normal startup Attempt normal startup

Return Controls to OFF/NeutralReturn Controls to OFF/Neutral

24. Release from LOTORelease from LOTO

Inspect Area and Equipment Inspect Area and Equipment

Ensure all Machine Guards in Ensure all Machine Guards in
place place

Move tools away from Move tools away from
equipment equipment

Inform others of startup Inform others of startup

Restore system connections Restore system connections

Remove Locks & Tags Remove Locks & Tags

Restore equipment to normal Restore equipment to normal

Conduct normal startupConduct normal startup

25. Who can remove Locks & Who can remove Locks &
Tags?Tags?
Only the employee who placed the Only the employee who placed the
tagtag
oror
a supervisor, a supervisor, after obtaining after obtaining
permissionpermission from the worker who from the worker who
placed the tagplaced the tag

26. A piece of equipment already A piece of equipment already
has a lock and tag.  Do I have has a lock and tag.  Do I have
to place my own locks & tags?to place my own locks & tags?
YES. YES.  Each person working Each person working
on the equipment must on the equipment must
place their own locks place their own locks
and tags to ensure their and tags to ensure their
safety.safety.

27. Lockout-Tagout Protects Lockout-Tagout Protects
YOU!YOU!
USE Proper USE Proper
Lockout - Tagout Lockout - Tagout
ProceduresProcedures
Please be Please be
careful when careful when
working on working on
equipmentequipment