Lock Out Tag Out

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LockoutA technique used to prevent hazardous energy

from escaping. A padlock is placed on a disconnect switch, circuit breaker, valve handle or other energy-isolating mechanism that is in the off or closed position.

Tag Out

Energy isolating device is placed in the safe

position and a written warning tag is attached. This warning tag must have the authorized users name and department.

Who Can Lockout Equipment?

Only Employees who have been trained and authorized by

management and have received the proper equipment

Authorized vs Affected Employees

Personnel trained to lockout-tagout machines or equipment to perform servicing or maintenance on that machine or piece of equipment is the AUTHORIZED employee.

The employee whose job requires operating or use of a machine or equipment on which servicing or maintenance is being performed is the AFFECTED personnel.

Use your own Lockout Tagout device

Every single authorized employee working on a system shall independently lockout and/or tagout the system using his or her own lock and/or tag◦eliminates the possibility of others inadvertently

unlocking an isolation device when it is being worked on by another.

◦at no time should any employee depend on the lock or tag of another worker to protect them during their service activities.

First Step In LOTO

1. Know your equipment & systems • hazards • isolation points • procedure for Lockout/Tagout

Working on unfamiliar machinery is a hazard

Next Steps

2. Inform affected personnel◦ Inform appropriate departments and employees

in the work area

3. Prepare for shutdown◦ Know energy types and hazards

4. Shut down◦ Follow the guidelines of the machinery

5. Isolate equipment◦ Turn off EVERY energy source feeding the

equipment.

Next Steps

5. Apply lockout / tagout device◦ At all disconnects, valves and energy isolating

devices

6. Control STORED energy◦ Relieve disconnect or restrain residual energy

that COULD be present

7. Verify Isolation of equipment◦ Don’t take anything for granted. Double check !

The Fatal Five

Failure to stop equipment

Failure to disconnect from power source

Failure to dissipate (bleed, neutralize) residual energy

Accidental restarting of equipment

Failure to clear work areas before restarting

Removing locks and tags

1.Make sure equipment is operationally intact

2.Remove tools and non-essentials

3.Tell all affected employees(head count)

4.Make sure area is clear5.Remove lockout /tagout

devices◦ Each worker removes their own

lock/tag7.Tell affected employees locks

and tags have been removed and equipment is ready to use

Lockout-Tagout Protects YOU!

NO JOB IS SO IMPORTANT, NO TASK IS SO GREAT, THAT YOU CANNOT AFFORD TO TAKE THE TIME TO

DO IT SAFELY

University of Northern Colorado

Environmental Health & Safety

351-1963 or 351-1149

Call for questions or concerns!

“Protect Yourself”