When the temperature of the construction site reaches a certain level, work will be stopped.

When the daily maximum temperature reaches above 40℃, work should be stopped on that day; when the temperature is above 36℃, open-air construction operations must be stopped immediately; when the temperature is above 35℃, 11:00 to 15:00 Construction work must not be performed under direct sunlight; when the daily maximum temperature reaches above 35°C to below 37°C, measures should be taken to shorten the continuous operation time, and overtime work in the open air must not be arranged.

High temperature shutdown regulations for construction workers:

If the daily maximum temperature is above 37℃ and below 40℃, the employer shall arrange outdoor open-air work for a total of not more than 6 hours; the daily maximum temperature reaches 40℃ If the temperature is above ℃, outdoor operations in the open air on that day should be stopped; others.

High-temperature operations refer to abnormal operating conditions combined with high temperatures, strong thermal radiation, or high humidity (relative humidity 80% RH). Wet bulb black ball temperature index (WBGT) index) exceeds specified limits.

High temperature weather refers to weather in which the daily maximum temperature is above 35°C announced to the public by meteorological stations affiliated with the meteorological authorities at or above the prefectural level.

High-temperature weather operations refer to operations that employers arrange for workers to perform in high-temperature natural weather environments during hot weather periods.

Legal basis:

"Management Measures for Heatstroke Prevention and Cooling Measures"

Article 8

During hot weather, the employer shall follow the The following provisions, based on the characteristics of production and specific conditions, take measures such as rationally arranging working hours, rotating operations, appropriately increasing the rest time of workers in high-temperature working environments, reducing labor intensity, and reducing outdoor operations during high-temperature periods:

(1) The employer shall adjust operating hours based on the temperature forecast issued by the meteorological station affiliated to the meteorological department at or above the prefectural level or above on that day, except when emergency treatment is required due to personal and property safety and public interests:

1. Daily maximum When the temperature reaches above 40°C, outdoor open-air work should be stopped for that day;

2. When the daily maximum temperature reaches above 37°C and below 40°C, the employer shall arrange for workers to work outdoors for a total of 6 hours throughout the day. hours, the continuous operation time shall not exceed national regulations, and outdoor open-air operations shall not be arranged within 3 hours of the highest temperature period;

3. When the daily maximum temperature reaches above 35℃ and below 37℃, the employer shall take Use methods such as shift changes and rest breaks to shorten the continuous working time of workers, and workers working outdoors in the open air are not allowed to work overtime.