The excavation of Zhangjiashan Tunnel on Chongqing-Guizhou Railway has exceeded 500 meters. How to ensure the safety of construction personnel during high temperature?

When working in hot weather, the labor intensity should be reduced as much as possible, and the high-temperature working time should not be too long. Try to use rotation or intermittent operation. Construction personnel whose physical conditions do not meet the requirements should change their posts in time.

Set reasonable working hours.

Choose the working hours from 06:00 to 09:30, 16:00 to 8:00, and even postpone it to 22:00. :00。 Working late at night is not recommended, especially in urban areas. Construction will be carried out at night after 10 in the morning. The construction site must provide enough tea leaves, which must be naturally cooled and cannot be refrigerated in the refrigerator. Tea must be replaced in time to avoid damage. If possible, add mung bean soup to help workers quench their thirst. Another kind of Huoxiang Zhengqi water is a permanent remedy. It is important to provide workers with a cool rest environment. After a hard day's work, if it is still too hot to have a good rest, be sure to have no energy the next day. Workers on the construction site must have a ventilated and cool place to rest when suffering from heatstroke, and must be sent to the hospital for treatment in time to prevent accidents.

How to prevent construction workers from encountering thunderstorm weather?

In thunderstorm season, lightning protection must be carried out on site, especially in areas without tall buildings around. Reliable lightning protection devices must be installed, and external scaffolding, lifting machinery and engineering projects must be well grounded. The equipment must be protected and connected to zero. When lightning strikes, it is forbidden to walk outdoors with metal objects, to be near electrical equipment, and to live in open areas, telephone poles and high-voltage cables. ?

How to rescue heatstroke in construction site?

Those with heatstroke symptoms and mild symptoms: leave the high-temperature working environment immediately, rest in a cool, quiet and ventilated place, unbutton your clothes and drink cold drinks. People suffering from heatstroke should not drink more water, but drink more water and often. Because drinking a lot of water will not only dilute gastric juice, affect digestive function, but also cause hyperreflexia of sweat, resulting in excessive loss of water and salt in the body, which will lead to heat spasm in severe cases.