Lock-Out / Tag-OutLock-Out / Tag-Out

Types of EnergyTypes of Energy ElectricalElectrical MechanicalMechanical ChemicalChemical ThermalThermal HydraulicHydraulic PneumaticPneumatic

Control of Hazardous Control of Hazardous EnergyEnergy

OSHA Standard 1910.147OSHA Standard 1910.147

Electric shock can killElectric shock can killas low as 30 volts can carry enough current to killas low as 30 volts can carry enough current to kill

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

Mechanical Energy Mechanical Energy HazardsHazards

2 Types2 Types Kinetic – in motionKinetic – in motion

AmputationsAmputations LacerationsLacerations FracturesFractures Loss of lifeLoss of life

Potential – storedPotential – stored Energy stored in machineryEnergy stored in machinery WeightsWeights & & SpringsSprings Pistons under pressurePistons under pressure Hydraulic controlsHydraulic controls

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 fumesgenerate harmful gases or fumes

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

Thermal Energy HazardsThermal Energy Hazards

Energy of Heat (and cold)Energy of Heat (and cold) Hot equipment & fluids will Hot equipment & fluids will

burn youburn you

Cold fluids can cause injury Cold fluids can cause injury alsoalso

Quick release of Quick release of compresses gases can compresses gases can freeze your skinfreeze your skin

Allow equipment to reach a Allow equipment to reach a safe temperature before safe temperature before starting work.starting work.

Hydraulic EnergyHydraulic Energy

Energy of Liquids Under PressureEnergy of Liquids Under Pressure pressure can cause equipment pressure can cause equipment

to moveto move rapid release can cause injury rapid release can cause injury or ejection of system partsor ejection of system parts

Relieve pressure slowly into a Relieve pressure slowly into a proper containerproper container

Pneumatic Energy Pneumatic Energy HazardsHazards

Energy of Compressed Gases Energy 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

First Step In LOTOFirst Step In LOTO

Know your equipment & Know your equipment & systemssystems hazardshazards isolation pointsisolation points procedure for Lockoutprocedure for Lockout

Working on unfamiliar machinery is Working on unfamiliar machinery is a hazarda hazard

Who Can Lockout Who Can Lockout Equipment?Equipment?

Only Employees who have Only Employees who have been trained been trained

and authorized and authorized

by managementby management

Employee Training

Items needed for LOTOItems needed for LOTO Written LOTO schedule Written LOTO schedule Locks & Tags - identified to the Locks & Tags - identified to the

worker worker Hasps - for placing locks & tags Hasps - for placing locks & tags Breaker Clips - for electrical Breaker Clips - for electrical

LOTO LOTO Blank Flanges (pancakes)- for Blank Flanges (pancakes)- for

fluid lines fluid lines Valve Covers - for LOTO of Valves Valve Covers - for LOTO of Valves Plug Buckets - for electrical plugs Plug Buckets - for electrical plugs

What’s a Lock?According to OSHA; a lock must be …1. Provided by the employer. 2. Singularly identified; shall be the only

devices(s) used for controlling energy; shall not be used for other purposes.

3. Durable4. Standardized; Color; shape; or size 5. Substantial; enough to prevent removal

without the use of excessive force 6. Identifiable; must indicate the identity of

the employee applying the device(s).

What’s a Tag?According to OSHA; a tag must

be… Provided by the employer. Singularly identified; shall be the only

devices(s) used for controlling energy; shall not be used for other purposes.

Durable; shall not deteriorate Standardized;

Color Shape Size Print and Format

Substantial; A minimum unlocking strength of no less than 50 pounds.

Identifiable; shall indicate the identity of the employee applying the device(s).

Warn against hazardous conditions Do Not Start. Do Not Open. Do Not Close. Do Not Energize. Do Not Operate.

What’s a Tag?(cont.)

Use of Locks & TagsUse of Locks & Tags

Use only those Use only those issued to youissued to you

Never use another Never use another workers lock or tagworkers lock or tag

Ask your Ask your supervisor if you supervisor if you need more LOTO need more LOTO equipmentequipment

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

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

Who can remove Locks & Who can remove Locks & Tags?Tags?

Only the employee Only the employee

who placed the tagwho placed the tag

oror

a a supervisor, supervisor,

after obtaining permissionafter obtaining permission

from the worker from the worker

who placed the tagwho placed the tag

A piece of equipment A piece of equipment already has a lock and already has a lock and

tag.  Do I have to place my tag.  Do I have to place my own locks & tags?own locks & tags?YES. YES. 

Each person working Each person working

on the equipment on the equipment

must place their must place their

own locks and tags own locks and tags

to ensure their safety.to ensure their safety.

Lockout-Tagout Protects Lockout-Tagout Protects YOU!YOU!

USE Proper Lockout USE Proper Lockout ––

Tagout ProceduresTagout Procedures

Please be careful Please be careful when working when working on equipmenton equipment