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Working Safely in Cold Weather
Workers exposed to extremely cold
conditions are at risk of serious health
problems, including hypothermia, frostbite,
dehydration and muscle injuries. Frigid
temperatures can also cause additional pain
for those who suffer from arthritis and
rheumatism. To prevent injuries and illness
as a result of winter weather, its important to
learn about the causes, symptoms and
safety considerations to take so you are
prepared to handle winters worst.
Causes of Cold Weather Injuries
According to the Occupational Safety and
Health Administration (OSHA), there is no
exact temperature at which the environment
becomes hazardous. Instead, factors such
as low temperatures, wind speed and
wetness contribute to cold-induced injuries
and illness.
 Exposed skin freezes within one
minute at -20属 F when the wind speed
is five miles per hour (mph), and will
freeze at 10属 F if the wind speed is 20
mph.
 When skin or clothing is wet, injury or
illness can occur in temperatures
above 10属 F, and even above freezing
(32属 F).
 When the body is unable to warm itself,
hypothermia and frostbite can set in,
resulting in permanent tissue damage
and even death.
Signs of Injury and Illness
If you or a co-worker have any of the
following symptoms, get indoors and alert
your supervisor or call for medical attention if
they do not subside:
 Uncontrollable shivering
 Slurred speech
 Clumsy movements
 Fatigue
 Confused behavior
 White or grayish-yellow area(s) of the
skin
 Skin that feels waxy
 Numbness
Its important to note that many people
suffering from the warning signs of frostbite
do not notice because the tissue is numb.
Therefore, it is wise for employees to check
on each other periodically.
Safety Considerations
To reduce the risk of cold-induced injuries:
 Layer clothing to keep warm enough to
be safe, but cool enough to avoid
perspiring excessively. It should also
contain the following:
- Inner layer  a synthetic weave to
keep perspiration away from the
body
- Middle layer  wool or synthetic
fabric to absorb sweat and retain
body heat.
- Outer layer  material designed
to break the wind and allow for
ventilation, such as GORE-TEX
速
.
 Wear a hat. Almost 40 percent of your
body heat escapes from your head. If
you wear a hard hat, add a winter liner
that covers your neck.
 Place heat packets in gloves, vests,
boots and hats to add heat to the body.
 Watch out for the effects of cold
temperatures on common body
functions, such as:
- Reduced dexterity and hand
usage
- Cold tool handles reducing your
grip force
- The skins reduced ability to feel
pain in cold temperatures
- Reduced muscle power and time
to exhaustion
To reduce the
risk of cold-
induced
injuries, layer
your clothing,
wear a hat
and seek
shelter at the
first sign of
hazardous
working
conditions.
SterlingRisk: Your workplace safety partner
Safety MattersTalking Points for
THIS FLYER IS FOR GENERAL
INFORMATIONAL PURPOSES ONLY, AND IS
NOT INTENDED AS MEDICAL OR LEGAL
ADVICE. 息 2009-2010 ZYWAVE, INC. ALL
RIGHTS RESERVED.
GORE-TEX
速
IS A REGISTERED TRADEMARK
OF W. L. GORE & ASSOCIATES. ALL RIGHTS
RESERVED.

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Working Safely in Cold Weather

  • 1. Working Safely in Cold Weather Workers exposed to extremely cold conditions are at risk of serious health problems, including hypothermia, frostbite, dehydration and muscle injuries. Frigid temperatures can also cause additional pain for those who suffer from arthritis and rheumatism. To prevent injuries and illness as a result of winter weather, its important to learn about the causes, symptoms and safety considerations to take so you are prepared to handle winters worst. Causes of Cold Weather Injuries According to the Occupational Safety and Health Administration (OSHA), there is no exact temperature at which the environment becomes hazardous. Instead, factors such as low temperatures, wind speed and wetness contribute to cold-induced injuries and illness. Exposed skin freezes within one minute at -20属 F when the wind speed is five miles per hour (mph), and will freeze at 10属 F if the wind speed is 20 mph. When skin or clothing is wet, injury or illness can occur in temperatures above 10属 F, and even above freezing (32属 F). When the body is unable to warm itself, hypothermia and frostbite can set in, resulting in permanent tissue damage and even death. Signs of Injury and Illness If you or a co-worker have any of the following symptoms, get indoors and alert your supervisor or call for medical attention if they do not subside: Uncontrollable shivering Slurred speech Clumsy movements Fatigue Confused behavior White or grayish-yellow area(s) of the skin Skin that feels waxy Numbness Its important to note that many people suffering from the warning signs of frostbite do not notice because the tissue is numb. Therefore, it is wise for employees to check on each other periodically. Safety Considerations To reduce the risk of cold-induced injuries: Layer clothing to keep warm enough to be safe, but cool enough to avoid perspiring excessively. It should also contain the following: - Inner layer a synthetic weave to keep perspiration away from the body - Middle layer wool or synthetic fabric to absorb sweat and retain body heat. - Outer layer material designed to break the wind and allow for ventilation, such as GORE-TEX 速 . Wear a hat. Almost 40 percent of your body heat escapes from your head. If you wear a hard hat, add a winter liner that covers your neck. Place heat packets in gloves, vests, boots and hats to add heat to the body. Watch out for the effects of cold temperatures on common body functions, such as: - Reduced dexterity and hand usage - Cold tool handles reducing your grip force - The skins reduced ability to feel pain in cold temperatures - Reduced muscle power and time to exhaustion To reduce the risk of cold- induced injuries, layer your clothing, wear a hat and seek shelter at the first sign of hazardous working conditions. SterlingRisk: Your workplace safety partner Safety MattersTalking Points for THIS FLYER IS FOR GENERAL INFORMATIONAL PURPOSES ONLY, AND IS NOT INTENDED AS MEDICAL OR LEGAL ADVICE. 息 2009-2010 ZYWAVE, INC. ALL RIGHTS RESERVED. GORE-TEX 速 IS A REGISTERED TRADEMARK OF W. L. GORE & ASSOCIATES. ALL RIGHTS RESERVED.