The following 19 measures are specially formulated to seriously implement the requirements of the Regulations on the Prevention and Control of Dust Pollution in Xi City and do a good job in the dust prevention and control of construction sites and ready-mixed concrete and ready-mixed mortar production enterprises in the city (hereinafter referred to as "two types of enterprises"), and all units are expected to seriously implement and strictly implement them.
A, the construction site must set up environmental protection card, indicating the dust prevention measures, responsible person and supervision telephone number, etc.
Second, the construction site should be set up with continuous closed fences (blocks), the height of urban main road fences (blocks) should not be less than 2.5m, the height of secondary road fences (blocks) should not be less than1.8m, there is no gap between fences (blocks), there is an overflow prevention seat at the bottom and a coping at the top.
Three, the construction site should be reasonably set up entrances and exits, take concrete hardening. The length, width and thickness of hardened pavement shall conform to the specifications and meet the traffic requirements of large transport vehicles.
Four, "two types of enterprises" and the construction site gate should be equipped with washing table, equipped with high-pressure water guns and other washing equipment, the surrounding should be equipped with drainage ditches and sedimentation tanks. Clear the responsible person 100% of the transport vehicles cleared from the site, and ensure that the vehicles are free of mud on the road. Keep the entrances, exits and roads around 100 meters clean.
The main roads in the construction site should be hardened with concrete. Due to the need of construction, some roads that are not hardened with concrete should be paved with gravel or brick slag. When necessary, methods such as laying recycled cotton felt can be adopted in the road sections prone to dust and soil accumulation to increase the adsorption capacity, and sprinkling water regularly to ensure that vehicles will not cause dust pollution.
Six, the construction site in the soil (out) stage, according to the size of the project, equipped with enough cleaning personnel, respectively, responsible for site environmental sanitation and sprinkler dust.
Seven, easy to produce dust powder building materials should be stored in the warehouse and closely covered.
Eight, construction waste shall not be thrown or scattered in the air.
Nine, the exposed loess on the construction site, earthwork or garbage that cannot be removed in time, must be covered with dense mesh in time.
X. Mixing of concrete and mortar is prohibited on the construction site; If it is necessary to mix concrete and mortar on site due to special technology, dustproof measures shall be taken after approval.
Eleven, the construction site is strictly prohibited to melt asphalt, burning plastic, garbage and other toxic and harmful substances and waste, and shall not use coal, carbon, wood and other fuel with serious pollution.
Twelve, buildings, structures, must be supplemented by continuous pressure sprinkler or spray measures, to suppress dust flying.
Thirteen, it is forbidden to use black smoke diesel pile driver.
Fourteen, "two types of enterprises" production sites should all adopt concrete pouring hardening and implement site cleaning measures, no floating soil and silt; The unhardened site of office and living area should be afforested; The factory should set up a special waste dump and cover it.
Fifteen, "two types of enterprises" raw material yard should be fully enclosed workshop, due to special reasons can not build a closed silo must take measures to cover all.
Sixteen, "two types of enterprises" aggregate batching warehouse should be equipped with compulsory dust removal equipment on the basis of air purification treatment; Automatic dust suppression facilities should be adopted in the powder warehouse, and the soot blowing pipe should adopt a hard closed interface to prevent the powder from overflowing and adhering.
In windy weather above 17 and 4, it is forbidden to demolish buildings and structures, excavate earthwork, dump inside, backfill and level the land and other construction and production operations that may produce dust. At the same time, the construction site should actively take dust suppression measures such as covering and sprinkling water.
Eighteen, long-term undeveloped open space to be built should be afforested or covered.
Nineteen, the municipal government issued an emergency response to heavy air pollution, according to the plan at the same level to actively do a good job in dust prevention and control.
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