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With the arrival of winter and the decrease in temperature, according to the “Winter Construction Regulations for Building Engineering” (JGJ/T104-2011), “when the daily average outdoor temperature remains below 5 ℃ for 5 consecutive days, winter construction should begin; When the daily average outdoor temperature remains above 5 ℃ for 5 consecutive days, winter construction measures can be lifted; Or if the lowest temperature suddenly drops below 0 ℃ within one or two days, and the temperature returns to normal after the cold wave, in order to prevent short-term cold wave attacks from causing damage to engineering quality, it is stipulated that emergency protective measures should also be taken according to winter construction requirements when the temperature drops below 0 ℃.
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