To stop the archaic practice of sending people under manholes into clean sewers, the Brihanmumbai Municipal Corporation (BMC) will soon be using 37 high-tech machines as an alternative. There are 3.5 lakh manholes in Mumbai, according to BMC.
Although human use or cleaning is largely prohibited, the machines cannot access some manholes and sewers, forcing authorities to dispatch workers instead. Several workers have died after inhaling the toxic gases in the sewer system.
Given that Mumbai generates more than 2,800 million liters of sewage every day, sewerage is needed in a timely manner.
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“People only enter a few manholes to purify the wastewater. The BMC has started using machines for cleaning on a large scale. Our goal with the new machines is to avoid human intervention in the cleaning of sewer pipes to 100 percent, ”a BMC official quoted HT as saying.
Around 24 new machines are bought by the city administration, with which compact pipes or narrow alleys up to a diameter of 300 millimeters can be cleaned. In addition, seven rapid reaction machines are purchased to dispose of the trash in an emergency for a choking hazard.
Finally, the citizen body will buy three main sewer cleaning machines with a capacity of 600 mm and three machines for dewatering sludge and silt to clean septic tanks. These machines are said to be costing £ 160 million to buy.
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The BMC has a budget estimate of £ 275 million for the expansion and installation of new sewers across the city. In addition, the city council has decided to use £ 2,000m to upgrade existing STPs or wastewater treatment plants.
In addition, the BMC will reportedly need £ 15,000 to modernize and rebuild seven existing STPs, including in regions such as Bandra, Bhandup, Dharavi, Ghatkopar, Malad, Versova and Worli. It is said that these STPs will have the ability to treat up to 50 percent of the tertiary wastewater collected. This can potentially be reused for non-potable requirements.
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