M3 Features

Water project for a smarter city

November 7, 2015

The township of New Town near Kolkata has been selected as one of the sites for the development of a smart city. An essential component of any smart city is its environment-friendliness; and rainwater harvesting is a way to achieve that.

Rainwater harvesting means collecting or chanelling rainwater to use it for other purposes, and thus preventing the wastage of a precious commodity like water. The public health engineering (PHE) department of West Bengal is preparing a concept note for the purpose.

What happens now is that rainwater is collected in a series of box drains to be chanelled off into a link canal or the pass-khal in Action Area 1, and from there to the Bagjola Canal which runs through New Town, by means of a drainage pumping station (DPS).

The new plan that HIDCO authorities are considering is to use the DPS to send the rainwater to, instead of the Bagjola Canal, the raw water reservoirs in Tarulia where water from 6 feet pipes from the Hooghly river will also be brought in. The combined water would then be treated at the 100 MGD capacity treatment plant, re-treated in a second stage in New Town, and used for gardening and washing purposes at places like Eco Park, the tea garden, children’s parks and in community toilets for washing and flushing.

This will ensure that a precious commodity like rainwater is not wasted. HIDCO officials are saying that the model to be perfected in New Town would then be used in the other upcoming smart cities in Bidhannagar, Asansol and Durgapur.

Written by Anushtup Haldar for Team M3.tv

Feature image: information-age.com

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