car tire on a snowy road

Working in cold conditions

At ExxonMobil, we supply reliable and affordable energy to millions of people, delivering fuels that generate heat, light and transportation. We continue to prioritize safety performance, and our commitment to achieving a workplace where nobody gets hurt is unwavering. As winter weather sets in, here are some reminders about the risks and the mitigating steps you can take to complete work safely.

Cold stress hazard risk overview from the US Occupational Safety and Health Administration

If body temperature drops even a few degrees below its normal temperature of 98.6°F (37°C), the blood vessels constrict, reducing heat loss from the surface of the skin by decreasing blood flow. Shivering increases the body’s metabolic rate and generates heat. Environmental conditions that cause cold-related stress include low temperatures, high and/or cool winds, dampness and cold water.

Wind chill overview from the Infrastructure Health & Safety Association’s Construction Health and Safety Manual

Wind chill is the effect of air temperature and movement combined. The higher the wind speed and lower the temperature, the quicker your body can lose heat, and the greater the need for insulation with protective clothing. The chart below compares the effects of air temperatures with and without wind. As wind speed increases, so does the danger of cold air temperatures. When air speed and temperature produce a chill temperature of -25.6°F (-32°C), continuous skin exposure should not be permitted.

wind chill dangers by wind speed
  • Workers in front of fuel pipes

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