Tenders floated for Phase III of bio-mining at Ariyamangalam
A study by experts from National Institute of Technology, Tiruchi, has estimated that the Ariyamangalam dump has about 7.7 lakh cubic metres of accumulated waste including the waste below the surface level and legacy waste. Following this, the civic body initiated steps to take up the phase III of bio-mining. About 7 lakh tonnes of waste will be removed in the final phase.
The project will be implemented at a cost ₹40.85 crore sanctioned under Swachh Bharat Mission-Urban 2.0. The process of clearing garbage through scientific recycling will be executed within two years from the commencement of work. The project work is expected to commence over the next month after the contract is awarded to the successful bidder, a senior official said.
According to sources, waste amounting to around 11 lakh cubic metres had been cleared in phases I and II of biomining. In the first phase of biomining launched in January 2019, over 7.6 lakh cubic metre of waste was removed from the dump yard at a cost of about ₹49 crore.
Phase II of the project was taken up at ₹25 crore to clear over 3.3 lakh cubic metre of waste under the Smart Cities Mission initiative. As of now, the Corporation has reclaimed around 40 acres of the 47.7 acre under the project.
About 1.95 lakh metric tonnes of refuse-derived fuel (RDF) generated during Phases I and II of biomining was transported to various cement factories for using it as a substitute for fossil fuel in factory kilns.
Meanwhile, measures to set up a bio-CNG plant, an automated material recovery facility centre, a construction and demolition waste recycling plant, and a poultry waste recycling unit at the dump yard are underway.
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