Now Reading: 15mm pipes for 64mm downpour flood Connaught Place again
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15mm pipes for 64mm downpour flood Connaught Place again
New Delhi: Major stretches around Connaught Place and Lutyens' Delhi suffered severe waterlogging on Tuesday after heavy rain, highlighting the gap between the city's drainage capacity and actual downpour intensity. New Delhi…
New Delhi: Major stretches around Connaught Place and Lutyens' Delhi suffered severe waterlogging on Tuesday after heavy rain, highlighting the gap between the city's drainage capacity and actual downpour intensity. New Delhi Municipal Council (NDMC) officials acknowledged the system is designed for around 15 mm of rain, while India Meteorological Department (IMD) data showed Safdarjung received 64.5 mm and Lodhi Road 56.6 mm during the 15-hour period ending Tuesday morning.
Affected roads included Feroz Shah Road, Baba Kharak Singh Marg, DDU Marg, Raisina Road and parts of CP’s Outer Circle. Waterlogging was also reported outside Shivaji Stadium Metro station. Public Works Department (PWD) officials said 80% of desilting work on a key 2-km drain network covering Outer Circle, Minto Road and DDU Marg is complete, with the remainder expected to be finished in 15 days.
NDMC chairman Manoj Kumar Dwivedi said control rooms have been activated, additional 50-HP dewatering pumps deployed at vulnerable spots, and the council is exploring greater use of technology and rainwater harvesting as long-term solutions.
Indian Opinion Analysis
Delhi's drainage design standards have not kept pace with the city's changing rainfall patterns. The existing infrastructure, built to handle 15 mm of rain per spell, is overwhelmed by the heavier, more concentrated downpours that have become common. The Barapullah basin, which serves as the main outfall for central Delhi, runs at full capacity during such events, creating a bottleneck. NDMC's reliance on 50-HP pumps and manual desilting is a temporary fix. The core problem is that the drainage network lacks the capacity for the monsoon intensity the IMD now records. The Delhi Master Plan 2041 calls for a comprehensive stormwater master plan, but no concrete timeline for implementation has been announced. The real measure of progress will be whether the next heavy spell, expected in late August, drains within the 35-40 minutes NDMC claims as its benchmark.
Source: timesofindia.indiatimes.com
This brief was synthesised by AI from the source linked above.
