Improve the rate of mechanization cleaning tower crane

According to preliminary data provided by the municipal environmental protection department in the city's main source of PM2.5 in urban dust accounted for about 17 percent , after accounting ranked " coal dust" and "small concrete mixer exhaust dust ." This also explains to some extent , urban dust pollution has become the third largest atmospheric environmental quality "killer ."
Therefore, this year the city will strictly control dust pollution. In the control of construction dust , the lump concrete mixer with lift  be implemented in the city district management, construction site to build on 612 ledger , the implementation of green building site construction to achieve standardized management ; increased sediment transport vehicle management, strictly regulate sediment transport order.