Definitions - Continued

DOE-STD-1030-96

Contractor

A person, consultant, partnership, or corporation

providing assistance in the management, operation,

testing, inspection, or servicing of equipment at a DOE

facility.

Controlled Document /

A document or drawing whose content is maintained

Controlled Drawing

uniform among all copies by an administrative control

system.

Energy Source

Any source that could cause harm to personnel or

equipment by generating or transferring electrical energy

or potential (voltage); hydraulic, pneumatic, gas, or

steam pressure; vacuum; high temperature; cryogenic

temperature; potentially reactive chemicals; or stored

mechanical energy.

Energy-Isolating Device

A mechanical device that prevents the transmission or

release of energy. Examples include: a circuit breaker,

a disconnect switch, a flow control valve, a slide gate, a

blind flange, a block, and any similar device used to

block or isolate energy. Push buttons, selector switches,

or other control-circuit-type devices are not considered

energy isolating devices.

Hazardous Substance or

Any solid, liquid, or gaseous material that is toxic,

Material

explosive, flammable, corrosive, or otherwise physically

or biologically threatening to health. Oil is excluded

from this definition.

Individual-Controlled

A lockout/tagout in a facility wherein individual

Lockout/Tagout

operators are responsible for operating and maintaining

individual machines or processes. In such facilities,

lockout/tagout is performed by each individual requiring

protection. Compare "Centrally Controlled

Lockout/Tagout."