OT: World Trade crash...

From: Jeffrey Ingber <jhingber_at_ix.netcom.com>
Date: Tue Sep 11 18:15:46 2001

I beleive that many tall buildings also have counterweights on an upper
floor that compensate for strong winds, etc. When the buildings shift
in a given direction, the counter weights are moved in the opposite
direction. I don't know if the WTC buildings had such a system.

Jeffrey H. Ingber (jhingber _at_ ix.netcom.com)

On Tue, 2001-09-11 at 18:48, Terry Collins wrote:
> Chad Fernandez wrote:
> >
> > What do they have water tanks on top for? Is that a standard thing with
> > sky scrapers? Is it for fire fighting, or is it just part of the
> > running water system of the buildings?
> Fire fighting system in case the water main is knocked out or weak
> pressure.
> I would imagine that the WTC and other tall buildings would have to pump
> water anyway. Mains pressure is only as high as the local water tower.
> --
> Terry Collins {:-)}}} Ph(02) 4627 2186 Fax(02) 4628 7861
> email: terryc_at_woa.com.au www: http://www.woa.com.au
> Wombat Outdoor Adventures <Bicycles, Books, Computers, GIS>
> "People without trees are like fish without clean water"

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Received on Tue Sep 11 2001 - 18:15:46 BST

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