WAC 296-803-800
Definitions.
Affected employee. An employee who's required to
operate, use, or be in the area where a machine or equipment
could be locked or tagged out for service or maintenance.
Authorized employee. An employee who locks or tags out a
machine or equipment to do service or maintenance.
Can be locked out. An energy-isolating device that can
be locked in the "off" or "safe" position.
Employer. Based on chapter 49.17 RCW, an employer is any
person, firm, corporation, partnership, business trust, legal
representative, or other business entity which engages in any
business, industry, profession, or activity in this state and
employs one or more employees or who contracts with one or
more persons, the essence of which is the personal labor of
such person or persons and includes the state, counties,
cities, and all municipal corporations, public corporations,
political subdivisions of the state, and charitable
organizations: Provided, That any persons, partnership, or
business entity not having employees, and who is covered by
the Industrial Insurance Act must be considered both an
employer and an employee.
Energized. Connected to an energy source or containing
residual or stored energy.
Energy-isolating device. A mechanical device that
physically prevents transmitting or releasing energy. This
includes, but is not limited to:
• Manually operated electrical circuit breakers.
• Disconnect switches.
• Manually operated switches that disconnect the
conductors of a circuit from all ungrounded supply conductors
if no pole of the switch can be operated independently.
• Line valves.
• Blocks.
• Similar devices used to block or isolate energy.
Push buttons, selector switches and other control circuit
type devices are not energy isolating devices.
Energy source. Any source of electrical, mechanical,
hydraulic, pneumatic, chemical, thermal or other energy,
including gravity.
Hot tap. A procedure which involves welding on
pressurized pipelines, vessels, or tanks to install
connections or accessories. It's commonly used to replace or
add sections of pipeline used in air, gas, water, steam, and
petrochemical distribution systems without interrupting
service.
Lockout. Placing a lockout device on an energy-isolating
device using an established procedure to make sure the machine
or equipment cannot be operated until the lockout device is
removed.
Lockout device. A device that uses a positive means,
such as a key or combination lock, to hold an energy-isolating
device in the "safe" or "off" position. This includes blank
flanges and bolted slip blinds.
Normal production operations. Using a machine or
equipment for its intended production function.
Primary authorized employee. An authorized employee who
has overall responsibility for meeting the requirements of the
lockout/tagout procedures.
Service and maintenance. Activities such as
constructing, installing, setting-up, adjusting, inspecting,
modifying, maintaining, and servicing machines or equipment. It also includes lubricating, cleaning, unjamming, and making
tool changes.
Setting-up. Work done to prepare a machine or equipment
for normal production operations.
Tagout. Placing a tagout device on an energy-isolating
device using an established procedure to indicate that the
energy-isolating device and the machine or equipment being
controlled may not be operated until the tagout device is
removed.
Tagout device. A prominent warning device, such as a tag
and a means of attachment. It can be securely fastened to an
energy-isolating device to indicate that the energy-isolating
device and the machine or equipment being controlled may not
be operated until the tagout device is removed.
You. See definition of employer.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050,
and 49.17.060. 09-16-108, § 296-803-800, filed 8/4/09,
effective 11/1/09; 04-15-105, § 296-803-800, filed 7/20/04,
effective 11/1/04.]