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Project detail:
The project aims to reduce pollution in the River Mahananda by intercepting and diverting drains and treating municipal wastewater generated in Siliguri. The major components include 25 interception and diversion structures, 4 lifting/pumping stations, two sewage treatment plants (27 MLD on the right bank and 22 MLD on the left bank), 5,805 metres of rising main, and a 5,770-metre interception and diversion network. The STPs will also include arrangements for co-treatment of fecal septage. The project includes 15 years of operation and maintenance under the Hybrid Annuity-Based Public-Private Partnership (PPP) mode. It is intended to prevent untreated municipal wastewater from entering the river and improve river water quality. The approved implementation period is 24 months, including 21 months for construction and 3 months for trial operation.
Project Cost: ?361.86 crore, including GST and 15 years of operation and maintenance. The approved cost includes ?169.12 crore for capital expenditure and ?192.74 crore for operation and maintenance.
Note: please download project document attached to this project for more information.
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