The NSW government is under pressure to make changes to the Sydney Metro after extreme flooding brought the multi-billion dollar system to a halt.
The flooding occurred in the decade-old tunnels between North Ryde and Chatswood, which were retro-fitted during construction of the new Metro.
“People talk about a ‘once in a lifetime storm’, I’ve learned in Australia that’s generally once a year, so my view is lets build in some more resilience.”While the new Metro tunnelling features waterproof gaskets that prevent flooding, the old tunnel - which was opened in 2009 - relies on pumps to get rid of water that seeps into the network.
"They are doing a review and I think we will find that we'll get an understanding ... what is the best way of securing the integrity and robustness of those assets."Train and light rail services were cancelled across the city, while several arterial roads and bridges also closed. Transport for NSW chief operating officer Howard Collins said flooding had prompted a review of the metro service.He said engineers were working hard to rebuild parts of the fire-affected network and attempting to redesign facets of the track in weeks, when it would normally take a year.
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