Overview

• The upgrade will expand major stormwater drains’ capacity from 55 mm to 120 mm of rainfall per hour, addressing the system’s shortfall exposed by nearly 200 mm of rain on May 26.
• Dedicated agencies such as IIT and VJTI will assess each drain’s dimensions to determine specific widening requirements.
• Officials have identified roughly 80 new waterlogging hotspots in the island city as priorities for targeted interventions.
• Local ward officers are tasked with reporting drain conditions to enable measures like mesh installations that prevent debris buildup.
• The BMC is also planning to upgrade pump stations and increase de-silting operations to strengthen overall monsoon preparedness.