Winter Weather Woes

Winter Weather Woes and Your Safety Management Course--Call to Action!Anyone who works outside in winter needs to take precautions from the dangers of freezing temperatures. Numerous occupations are affected, beyond the obvious ones like construction, logging and snow cleanup. Mail deliverers, inspectors of homes and office buildings, utility workers, package delivery people, surveyors, exterminators and garbage collectors are just a few who need to be aware of the harmful effects of low temperatures.

Cold stress, the effect of cold temperatures on the human body, can be prevented with education. Having each worker take a safety management course arms him with the knowledge he needs to avoid the conditions that cause trench foot at above freezing temperatures, and frostbite and hypothermia at below freezing.

Cold stress is felt in all areas of the country.  It may need to be below zero to affect New Englanders, but if Georgia suddenly gets hit with 32 degree F temperatures, it’s enough to cause health problems.  Factors causing cold stress problems or making them worse include:

  • dampness or getting clothes wet
  • clothes that don’t offer the right protection
  • exhaustion, made worse by the cold weather
  • poor physical condition
  • health problems like high blood pressure and diabetes

The wind adds another layer of stress to the body. When wind speed increases (called the wind chill factor), it makes the temperature feel colder. The body loses heat much more rapidly than if there is very little wind. Simply sweating can also lead to cold stress, the dampness and wetness causing heat to leave the body. When the wind chill rises, the harmful effects of sweating rise too.  50 things you must know about safety leadership

Trench Foot

Cold stress shows itself in an array of illnesses. One of them is trench foot, caused by exposing the body to ongoing wet and cold. The name comes from World War I, fought mainly by soldiers confined in all weathers to trenches filled with water and mud. Trench foot was rampant.

Though feet that are dry will lose heat in cold weather, when feet get wet that same process happens an astounding 25 times faster. Trench foot develops at temperatures above freezing. In fact, it can happen in conditions as high as 60 degrees F.

The symptoms include:

  • skin getting progressively redder
  • tingling feeling
  • pain
  • swelling
  • cramps
  • numbness
  • blisters

Frostbite

Frostbite, which occurs when the temperature is below freezing, causes permanent damage. Frostbitten toes often need to be amputated. People with circulation problems, like diabetics, suffer the most. Anyone not properly dressed for the cold can get frostbite.

The symptoms include:

  • red skin, which changes to gray or white patches on toes and fingers, on the nose and the ear lobes
  • tingling
  • aching
  • loss of feeling
  • blisters

Hypothermia

When a worker is exposed to cold temperatures for a long period of time, his stored energy is used up, resulting in hypothermia. This is the most dangerous form of cold stress. The body’s temperature falls to less than 95 degrees F, from a normal level of 98.6.

This dangerous state usually happens at freezing temperatures. Surprisingly it also occurs above 40 degrees F if the body becomes sufficiently chilled from falling into cold water or the prolonged effects of rain or even sweat.

The symptoms include:

  • shivering
  • loss of coordination
  • slow breathing
  • confusion
  • slurred speech
  • unconsciousness

Preventing Cold Stress

The ways to avoid health problems from cold stress are educating workers with a safety management course, providing physical protection and using common sense. Mandatory completion of a safety management course helps workers identify weather conditions that lead to stress.

fctc-online-bannerManagement can make an outdoor worksite safer by following these precautions:

  • scheduling short breaks in warm, dry spots, long enough for the body to efficiently warm up
  • planning work times that take advantage of the warmest parts of the day
  • insisting on the buddy system so workers can keep an eye on each other
  • making warm, sweet beverages available
  • providing devices like radiant heaters
  • requiring each worker to wear proper clothing

Everyone working outside should be able to list the symptoms of cold stress and know how to deal with them, whether in themselves or in co-workers. And every worker regularly spending time outside in winter needs to know how to dress for weather conditions.

~Mary Hannick


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SBI

safetyBUILT-IN is the safety-leadership learning and development division of SCInc.We believe sustainable safety performance is best achieved through a core-values based safety culture, and that culture must be driven by leadership.Our safety-leadership programs are competency-based, and focused on performance outcomes.We believe in building capability and ownership into our client organizations—as well as sustainability into our programs—so that our clients can continue running those programs long after we’re out of the picture. Our emphasis is on building better leadership presence, better leadership communication and better leadership coaching by first building relationships of trust with people and learning how to engage them on the level of their core values and beliefs.

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