Key control region of the concrete mix

Dust pollution remediation. Remediation construction dust pollution. Strengthen the construction site dust control at the same time, Concrete mixing plants by the end of July before the end of the city's road repair construction. During the Games, National Games Village area will be stopped and the three-loop earthwork, demolition and construction of non-emergency road construction excavation. Key control region of the concrete mix, asphalt mixing companies will also stop production and supply. In the key control area of ​​24-hour street cleaning, the implementation of the road main streets rinse operations. Take cover, sealed and other measures to control coal, sand and precast concrete plant prone to dust stacking and transport dust. During the Games, focusing on the control area is prohibited coal, sand, dirt and other materials transportation.