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tyjtyjrhbdf t1_jdm9tak wrote

16 stories?

How high is Manhattan above sea level? I always thought it was pretty close, so how they that deep without running into water I do not understand.Then again, I’m from Florida where it works like that a lot, maybe in New York it is all rocky and keeps the water out.

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chug84 t1_jdmaorp wrote

You answered your own question towards the end. Partially submerge a rock in water. This is Manhattan. Drill a hole into this rock, down past the water line. This is what you have in this picture.

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TarumK t1_jdmixxm wrote

And there's literally no cracks/gaps in the rock that would let water in?

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reddititty69 t1_jdmmwxi wrote

There’s water in the picture. You just need to pump it out faster than it leaks in.

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smackson t1_jdmrjxo wrote

Sounds like a recipe for big problems.

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AltaBirdNerd t1_jdmy4ch wrote

Technology exists for this to occur and is widely used. The alternative is to not build anything. Or have LIRR tracks going over Park Ave in midtown.

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gabeman t1_jdn4aix wrote

Millions of gallons of water is pumped out of the subway system daily.

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barbaq24 t1_jdmjtz8 wrote

Manhattan exists and is able to support all the buildings in such close proximity because of the bedrock known as Manhattan schist. https://en.wikipedia.org/wiki/Manhattan#Bedrock

There are several places where the schist rises above the ground, or outcroppings so you can see what lies beneath. New York is essentially built on a rocky mountain.

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reddititty69 t1_jdmn1ai wrote

This place is a schist hole.

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Silo-Joe t1_jdmolyr wrote

With a schist creek providing water.

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Tsquare43 t1_jdmr5xj wrote

Will schist talking in this thread ever end?

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An-Angel_Sent-By-God t1_jdmxd3e wrote

Oh no, do you find what these people are saying offensive? Better get a lawyer and drag them through the quartz.

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IIAOPSW t1_jdngfwk wrote

No one is talking. You're schistophrenic.

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Amphiscian t1_jdn8mtu wrote

I took a geology class once, and the professor told us the word to describe the intensity of the schist pattern in a rock is schistocity.

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Philip_J_Friday t1_jdmgv6m wrote

Manhattan is basically solid bedrock, much of it exposed (or was before being built up).

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tictac_93 t1_jdnxm8i wrote

They're inside solid rock down there, same deal for our tunnels between Manhattan and LI or the mainland. They just go right down into the bedrock.

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