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A glossary of terms commonly used on WorkSafeBC.com.
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hand therapist
Physiotherapists, or occupational therapists, who have a special interest in the rehabilitation of persons with upper extremity dysfunction. Hand therapists specialize in early therapeutic intervention with the view to prevention, rather than treatment of, a person's limited capacity to function, secondary to problems in the upper extremities.
hand-arm vibration
Vibration that is transmitted from vibrating surfaces of objects
such as hand tools, through the hands and arms.
hardwired
The electrical connection of components within a system by
means of electrical conductors so that the only way the system can be modified
is by changing the connections.
harmful substance
A WHMIS controlled product, a substance listed in Table 5-4
in Part 5 (Chemical and Biological Substances), or a substance which may have
a harmful effect on a worker in a confined space.
haulback
The cable used to outhaul the rigging or grapple when yarding.
hazard
A thing or condition that may expose a person to a risk of
injury or occupational disease.
hazard classification
The rating assigned to an industry specified in Schedule 7.
hazard information
Information on the proper and safe use, storage and handling
of a controlled product and includes information related to its toxicological
properties.
hazardous waste
A controlled product that is intended for disposal, or is
sold for recycling or recovery.
hazardous waste profile sheet
A written description of the hazardous waste which identifies
its hazardous characteristics, hazardous ingredients, and prescribes safe work
procedures for handling, storing, using and disposing of the waste.
health care facility
A hospital or other place where acute, intermediate or extended
health care services are provided.
heavy duty
Intended to support both workers and stored or stacked materials,
such as bricks and masonry.
helipad
A temporary structure, not designed for permanent use, built
on the ground to enable a helicopter to land safely.
heliport
A permanent, hardened landing site, laid out in accordance
with the applicable requirements of Transport Canada.
helispot
A clearing in which a helicopter can land safely.
hepa
Is in reference to air filtration, a high efficiency particulate
air filter meeting the specifications of a nuclear grade filter, providing a
99.97% filtration efficiency at a 0.3 micrometre particle size.
high hazard atmosphere
An atmosphere that may expose a worker to risk of death, incapacitation,
injury, acute illness or otherwise impair the ability of the worker to escape
unaided from a confined space, in the event of a failure of the ventilation
system or respirator.
high lead
A cable logging system in which running line lead blocks are
placed on a lift tree to provide lift to the logs during yarding.
high pressure washing or jetting
The use of water or other liquid delivered from a pump at
a pressure exceeding 34 MPa (5,000 psi), with or without the addition of solid
particles, to remove unwanted matter from a surface or to penetrate into the
surface of a material for the purpose of cutting that material.
high risk work activity
Work activity involving the handling of asbestos-containing
material or working in proximity to friable asbestos-containing material, where
there is a high level of control necessary to prevent exposure to excessive
concentrations of airborne asbestos fibre.
high voltage
A potential difference (voltage) of more than 750 volts between
conductors or between a conductor and ground.
horizontal lifeline system
A system composed of a synthetic or wire rope, installed horizontally
between 2 anchors, to which a worker attaches a personal fall protection system.
hospital
A hospital or diagnostic and treatment centre that has an
emergency department or resuscitation area and a physician on duty, or immediately
available on call, 24 hours a day.
hot work
Work which involves burning, welding, riveting, grinding,
using fire or spark producing tools, or other work that produces a source of
ignition.
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D |
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F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z