Currently, as part of its Phase 4 expansion as well as some other construction projects, 12 civil contracts are operational across the national capital.These state-of-the-art ASGs are capable of spraying fine mist up to 70 to 100 metres. One ASG is considered adequate for covering an area up to 20,000 square metre.The DMRC said it ensures that the water used for sprinkling is free from coliforms, viruses and bacteria.”High quality nozzles with droplet sizes of 10 to 50 micrometers are used for greater impact. With the gradual expansion of construction work, more such ASGs shall be introduced at the sites in the days ahead,” it said.The Delhi Government in November imposed a ban on construction and demolition activities in the city, following soaring levels of air pollution.”Currently, all construction work apart from those which are non polluting in nature have been stopped in compliance with relevant directions. While, the DMRC is ensuring complete compliance to all the pollution related instructions, these mist guns have been installed as a permanent measure to combat pollution and are employed at the sites round the year. Even when construction work is not going on, Mist Guns prevent the loose soil/earth stored at construction sites from being air borne thus reducing air pollution,” it added.
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