Saturday, November 17, 2012

freedom from foundation


reuters

We know better than to build on something soft near water, right? Breezy Point sure illustrated that.

som

So how can the Freedom Tower be so tall and close to water?
schist 
The most carefully pronounced stone in the Geologic Survey.

Manhattan is basically a big rock poking up out of the water. And it’s very hard.


With some dirt and trees growing on it.


It’s been here 450 million years.


At ground zero they just swept the dirt off, drilled some holes, bolted in and went right up.



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