40 degree shutdown rule

Didn't say stop work, but there are restrictions. If the daily maximum temperature reaches above 40℃, outdoor operation should be stopped that day.

Legal basis:

"Measures for the Administration of Heatstroke Prevention and Cooling" Article 8 During high-temperature weather, the employer shall, according to the following provisions and specific production conditions, take measures such as reasonably arranging working hours, rotating operations, appropriately increasing the rest time of workers in high-temperature working environment, reducing labor intensity and reducing outdoor operations during high-temperature periods:

(1) The employing unit shall adjust the operation time according to the forecast temperature of the day issued by the meteorological offices and stations affiliated to the competent meteorological departments at or above the municipal level, except that it needs urgent treatment due to personal and property safety and public interests:

1. When the daily maximum temperature reaches above 40℃, stop the outdoor operation on that day;

2. When the daily maximum temperature reaches above 37℃ and below 40℃, the employer shall not arrange outdoor outdoor operations for more than 6 hours, and the continuous operation time shall not exceed the national regulations, and outdoor outdoor operations shall not be arranged within 3 hours of the maximum temperature period;

3. When the daily maximum temperature reaches 35℃ or above and 37℃ or below, the employer shall rest in shifts to shorten the continuous working hours of workers, and shall not arrange outdoor workers to work overtime.

(2) Before the arrival of high-temperature weather, the employing unit shall carry out health examination for the workers who work in high-temperature weather, and adjust their posts for the workers who suffer from heart, lung, cerebrovascular diseases, tuberculosis, central nervous system diseases and other physical conditions that are not suitable for the high-temperature working environment. The expenses for occupational health examination shall be borne by the employer.

(3) The employing unit shall not arrange pregnant female workers and underage workers to engage in outdoor open-air operations in hot weather above 35℃ or work in workplaces above 33℃.

(4) Where the work is stopped or the working hours are shortened due to the hot weather, the employing unit shall not deduct or reduce the wages of the workers.