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Guru

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The Grand Central Underground Project Nears Completion

09/05/2021 2:31 AM

A city 14 stories beneath the city...

Will this flood with a big storm is the first question that comes to my mind?

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Guru
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#1

Re: The Grand Central Underground Project Nears Completion

09/05/2021 9:29 AM

A subway flood expert explains what needs to be done to stop underground station deluges.

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#2
In reply to #1

Re: The Grand Central Underground Project Nears Completion

09/05/2021 11:10 AM

I think I heard this geophysicist on the radio. In that interview, he also proposed they were considering adding strategic pumping systems for when existing flood control systems were overwhelmed by whatever means. He added that the drinking water infrastructure in NYC is over a century old in many parts and can fail anytime. It doesn't have to rain for the subway to flood.

I wonder if activation of the supplemental pumps might become part of the train interlock system.

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#3

Re: The Grand Central Underground Project Nears Completion

09/06/2021 2:40 PM

If it's raining, you might consider bringing your SCUBA gear on the train...

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Guru

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#4
In reply to #3

Re: The Grand Central Underground Project Nears Completion

09/06/2021 3:33 PM

Maybe they could go down another 14 stories and build a huge underground reservoir....stock it with bass and trout, or maybe even salmon...

https://www.latimes.com/food/story/2019-07-10/sewer-salmon-and-the-secrets-of-the-l-a-river

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#5

Re: The Grand Central Underground Project Nears Completion

09/06/2021 5:49 PM

Time to rewatch "Silver Streak"!

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Guru

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#6

Re: The Grand Central Underground Project Nears Completion

09/06/2021 10:36 PM

This project was conceived in the 1950's, cost 3 X more than estimated and was probably designed years (decades?) ago.

What could go wrong?

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#7

Re: The Grand Central Underground Project Nears Completion

09/07/2021 6:48 AM

The tunneling continues around the world through mountain ranges and under cities...

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#8

Re: The Grand Central Underground Project Nears Completion

09/13/2021 9:37 PM

I'm sure the engineers have taken flooding into account and how to deal with it.

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#9
In reply to #8

Re: The Grand Central Underground Project Nears Completion

09/13/2021 9:43 PM

One can only do so much when budgets must be considered.

If a breach between a tunnel and the Hudson river happens that tunnel will become flooded and unusable.

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#10
In reply to #8

Re: The Grand Central Underground Project Nears Completion

09/13/2021 9:55 PM

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