The Brihanmumbai Municipal Corporation (BMC) is now planning to spend another INR 1,300 crores to set up sewage treatment plants under the river rejuvenation project. A proposal regarding the same will be tabled in the standing committee meeting on Wednesday, September 29.
This development comes as the rivers in Mumbai get a lot of sewage and dirt. Therefore, efforts are being made by the Municipal Corporation to restore the rivers to their original, prosperous form.
In this, a sewage treatment plant will be constructed through private participation to make it operational.
As it is becoming difficult to stop the pollution in the rivers, the civic body has come up with new alternatives. The BMC had first invited tenders for this sewage treatment plant in September 2019.
BMC had prepared a budget of INR 878 crores for this scheme. However, due to higher tender, the amount including taxes and other expenses has gone up to INR 1,300 crores.
The selected contractor wants to run the sewage treatment plant near these two rivers for 15 years. The Oshiwara River originates in the hills of Aarey Colony in Goregaon and flows 7.31 km and flows into Malad Bay. It has a total catchment area of 2,400 hectares and flows through Santoshnagar, Riddhi-Siddhi, Bimbisarnagar, Nandadeep, Nexo, Majasnagar etc., while Dahisar River originates in Sanjay Gandhi National Park and travels 4.7 km to Manori Bay.
BMC has so far spent crores of rupees for the widening and deepening of rivers. However, it has succeeded because the sewage coming into those rivers has not been stopped. This problem has persisted for about 15 years.
Dahisar river
Construction of sewers: 4.4 km
Complementary roads: 1.06 km
Construction of rainwater harvesting: 1.02 km
Sewage treatment plant: Total 6.5 million liters per day at both the places
Estimated Expenditure: 232 crores 71 lakh 34 thousand
Expenditure for actual project: 281 crores
Oshiwara (Valbhat) river
Construction of sewers: 4.7 km
Complementary roads: 4.68 km
Construction of rainwater harvesting: 5.10 km
Sewage treatment plant: 20.5 million litres per day in five places
Estimated cost: 637 crores
Cost for the actual project: 631 crores
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