LOTO Lockout/Tagout
Objectives
Clarify requirements of the Lockout/Tagout
(LOTO) Program
Ensure everyone is aware of their role within LOTO
Program
“LOTO” is a technique used to prevent
energy from being released during the
servicing of equipment. This is
accomplished by placing locks and tags
on energy isolation devices prior to
starting work
80% failed to turn off equipment
10% equipment
activated by someone
else
5% failed to control
potential energy
Most of remaining 5%
disconnected power but
failed to verify effectiveness
All employees fit into one of the following LOTO roles:
“Authorized employee” ( Top level of qualification)
Services equipment & authorized to apply LOTO.
“Affected employee” Operates or
uses equipment being serviced under LOTO.
“Other employee”
Works in an area where LOTO
being used.
Affected Employee
An employee whose job requires
him/her to operate or use a machine
or equipment on which servicing or
maintenance is being performed
under lockout or tag out, or whose job
requires him/her to work in an area in
which such servicing or maintenance
is being performed.
An affected employee becomes an
authorized employee when that
employee's duties include performing
servicing or maintenance covered under
this section.
Types of Hazards
Electrical
Pneumatic
Hydraulic
Mechanical
Thermal
Chemical
Radiation
Steam
Spring-Driven
Suspended Parts
Some energy sources can be turned on/off.
Others can only be dissipated or controlled.
Potential energy can be converted to kinetic!
Goal of LOTO is to achieve “Zero Energy State”
When is LOTO applied?
“…during the servicing of equipment”.
Adjusting
Inspecting
Modifying
Replacing parts
Tool changes
Clearing jams
Lubricating
Cleaning
Exceptions to LOTO
Cord & plug connected equipment
Plug is only source of energy
Plug is under continuous control of one person
Energy Isolation Devices
“…accomplished by placing locks on energy isolation
devices…”
Device that physically prevents the
transmission or release of energy
Examples:
Electrical disconnect
switch
Electrical breaker switch
Hydraulic valve
Pneumatic valve
Line valve
Pushbuttons,
selector switches, and
other control circuit
devices are NOT
energy isolation
devices
Preferred means of
controlling hazardous
energy at Kerry is
LOCKOUT IN
CONJUNCTION WITH
TAGOUT.
Each isolation point must
have both a lock and a tag
attached to it.
Tags must indicate lock
holders name &
department.
STEP 1
Advise
employees
STEP 2
ID energy
STEP 4
Isolate
energy
STEP 5
Apply locks
STEP 3
Shutdown
machine
STEP 6
Dissipate,
Releases
STEP 7
Verify off
Verbally notify all “affected” and “other”
employees of impending shutdown.
Not all equipment will have someone
“assigned” to it.
Know types & magnitude of energy
associated with equipm
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