3. 3
Definitions
Employees
– Authorized
• Person who uses lockout/tagout
Affected
• Person who operates or uses machine where
lockout/tagout is being performed or
• Works in area
Other
• All “other” employees
4. 4
Definitions
♦ Energized
– Connected to energy source
– Contains residual or
stored energy
♦ Energy Source
– Electrical, mechanical, hydraulic,
pneumatic, chemical, thermal, or other
energy
5. 5
Materials and Hardware
♦ Provided by Employer
– Locks, tags, chains, wedges, key blocks, adapter
pins, self-locking fasteners etc.
♦ Not used for any other
purpose
♦ Durable
♦ Standardized
– Color shape or size
♦ Substantial
♦ Identifiable
– Employee
– Tagout – warning such as Do Not Start
6. 6
Authorized
1. Recognition of
hazardous energy
sources
2. Type and magnitude
of energy available
3. Methods and means
for energy isolation
& control
4. Limitations of tags
Affected
1. Purpose & use of energy
control procedure
2. Limitations of tags
Other
1. Knowledge of procedure
2. Prohibited to restart or
reenergize
3. Limitations of tags
Training
7. 7
Application of Energy Control
♦ Preparation for shutdown
♦ Machine or equipment shutdown
♦ Machine or equipment isolation
♦ Apply lockout/tagout devices
♦ Stored energy
♦ Verification
8. 8
Release from Lockout/Tagout
♦ Check machine
♦ Notify employees (check area for
employees)
♦ Removed by person who applied device
– Removal by person other than one who applied
device
9. 9
Group Lockout/Tagout
♦ Every authorized employee working on
equipment
– One person – one lock
– Each person remove only
his/her lock when done
working
♦ Responsibility given to
one authorized employee to coordinate
10. 10
Shift Changes
♦ Specific procedures must be utilized
– Ensure continuity of lockout/tagout
– Provisions for orderly transfer of lockout/tagout
devices
