Mumbai city and suburbs have many hilly regions near Vikhroli, Saki Naka, Antop Hill, and Kurla where there are instances of landslides falling on slum pockets, leading to casualties and injuries. It is at such locations that the Canadian fence method might be replicated. Meanwhile, the CR has said that this year, in addition to Canadian fence and CCTV monitoring in the ghat section, they have also performed tunnel sounding at 18 locations in the ghat section of Railways. Tunnel sounding is done to check the stability of the tunnel walls to prepare them for adverse weather.

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Boulder catching sumps, netting, catch water drains, and tunnel portals are other measures in place. In Mumbai city and suburbs along the CR Mumbai, 24 vulnerable locations have been identified, and 192 pumps provided. This year, the pump numbers and capacity have been increased. Micro tunnelling has been provided at many locations. Micro tunnelling basically consists of underground “drain down” tanks below city rail tracks to drain off water logging to avoid flooding.

Of the 119.82 km of drain de-silting and cleaning, work has been completed for 68.44 km, and of the 156 culverts, 92 have been cleaned with a targeted muck removal of 55,000 cubic meters. Trimming of 156 trees has been completed, and work on two more is in progress.

What Else?

24x7 Control Room Ops

CR Control office, working round the clock, will keep close liaison with the Meteorological Department, Disaster Management cell, and staff deputed at flood-prone areas for continuous monitoring and constant updates.

Real-Time Monitoring

Hourly monitoring of rainfall and water level above the track is taken by the control office from field staff during the monsoon period.

Inter-agency Coordination

Close coordination with state govt, BMC, TMC, NMMC —Regular meetings conducted between Railways and state officials. A hotline has also been created between railways and MCGM Disaster Cell, TMC, and NMMC.