Can the three-level warning of heavy polluted weather in Shijiazhuang turn gray? Dare the mixing station send ash?

I can't. The mixing station dare not send ash.

Control measures of non-point source. Strengthen the control of construction sites and traffic dust. Sand factory, stone factory, slate factory, etc. Stop open-air operations. Except for major livelihood projects, safe production and emergency rescue tasks, stop all earthwork operations on the construction site (including: stop earthwork excavation, backfilling, field transportation, mixing lime, concrete gouging, etc.). , and stop the construction project supporting roads, pipe trench excavation).

Demolition of outdoor buildings, painting, shotcrete slope protection and concrete mixing are prohibited. It is forbidden to drive transport vehicles that are easy to scatter without sealing devices, such as coal, muck, sand and gravel. On the basis of routine operation, increase the cleaning frequency such as machine scanning and suction scanning. Suitable for urban trunk roads and sections prone to dust.

Matters needing attention in three-level early warning of heavily polluted weather

Try to travel by public transport and reduce the number of motor vehicles on the road.

Increase the number of sprinklers on the construction site, reduce dust, and strengthen the management of construction dust.

Sewage disposal units should take further measures to reduce pollutant emissions, turn off the engine in time when parking, and reduce the idling of vehicles. ?