Occupational taboo of high temperature operation

Occupational contraindications for high-temperature operation: The occupational contraindications for high-temperature operation mainly include heatstroke, heat exhaustion and heatstroke.

Heatstroke is one of the most common manifestations of occupational contraindications in high-temperature work, which is caused by the fact that the human body can not maintain normal body temperature through its own regulation mechanism because it has been in a high-temperature environment for a long time. Heatstroke can cause dizziness, headache, nausea, vomiting, fatigue, palpitation, and even convulsions, coma and even death in severe cases.

Working in a high temperature environment for a long time makes people sweat too much and lose water and electrolyte in the body, which leads to symptoms such as low blood pressure, rapid heartbeat, wet and cold skin, weakness of limbs and so on, thus causing fever and fatigue.

Heatstroke is the most serious disease in high temperature environment. Due to the dysfunction of thermoregulation, the body temperature exceeds 40 degrees Celsius, which may be accompanied by symptoms such as disturbance of consciousness, convulsion and shock, and even life-threatening.

What "jobs" do hot work refer to?

High temperature operation refers to the operation under abnormal operating conditions with high temperature, strong thermal radiation, high air humidity (relative humidity ≥80%RH) and wet bulb temperature index (WBGT index) exceeding the specified limit.

Including high temperature weather operations and high temperature operations in the workplace. High temperature weather refers to the weather where the daily maximum temperature is above 35℃ released to the public by the meteorological offices and stations affiliated to the competent meteorological departments at or above the prefecture level. Hot weather operation refers to the operation that the employer arranges workers to carry out in a high-temperature natural meteorological environment in hot weather.

High temperature operation in the workplace refers to the operation in which the average WBGT index in the workplace is ≥25℃ in the process of production and labor.

What are the occupational contraindications?

Occupational contraindications refer to the individual's special physiological or pathological state that workers are more vulnerable to occupational hazards and occupational diseases than the general occupational population when they are engaged in specific occupations or exposed to specific occupational hazards, or may cause their own diseases to worsen, or induce diseases that may pose a danger to others' lives and health during the operation.

Therefore, occupational contraindications are not all "sick" or abnormal, but some are normal indicators of ordinary people. However, due to the consideration of occupational contact, the requirement is considered as an occupational contraindication, that is, the requirement of occupational contact is stricter than that of the general population.