IIT-B report proposes measures to avoid railway flooding | Bombay News


MUMBAI: A study by the Indian Institute of Technology (IIT) in Bombay has recommended a sewage system and underground water retention basins as measures to prevent flooding. The Flood Mitigation and Vulnerability Assessment conducted in Dadar, Lower Parel and Kurla region aimed to understand ways to prevent flooding of railway tracks during monsoon.

The study was undertaken by IIT Bombay after the Mumbai Rail Vikas Corporation (MRVC) approached to have a mitigation assessment to establish future preventative measures against the flooding of the railway tracks during the monsoon which resulted in the suspension of local rail services.

Brihanmumbai Municipal Corporation (BMC) was asked to provide sewage systems to convey sewage from catchment areas, which prevents sewage from flowing into storm sewers.

“The provision of the sewerage system will require the latest data on population, topography, existing sewers and upgrading to the latest data available. No such data was available for the present study. It is therefore recommended that the study be conducted separately,” mentions the summary of the IIT-Bombay report.

Furthermore, the report suggests an additional retention basin for water from the watershed between Dadar and Parel to prevent waterlogging.

“The impoundment and pumping station system in its current form can only serve about 10% of the catchment area contributing to the flooding of Dadar and Parel. The flooding of the railway premises is due to the discharge of flood waters from the Dadar Hindmata area. An underground retention pond at Purandare Stadium is recommended as a permanent retention pond,” the report states.

The report also suggests additional lateral drains along the tracks at Kurla, installation of the last rain gauges, widening of existing drains and construction of new drains as measures to stop flooding on the railway tracks.

In 2021, local train services were suspended for 15 hours in June on the Central Railway network.


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