Bulldozing US Homeland Defence.

"Peter Skelton" wrote in message
...
On Mon, 7 Jun 2004 16:01:14 +0200, "Tamas Feher"
wrote:

A home-made armored Caterpillar turns Colorado into Palestine?

Palestine has dead. The authorities ended this one without public
deaths.

Pure chance. They had no absolutely contact with the madman whatsoever .
If he decided to target a chemical plant and cause a Bhopal-scale
industrial disaster, the cops simply couldn't stop him. In the end an
entire county could get killed.

Do you know enough about the local geography and plants to say
that this sort of thing is possible?

I worked fifteen years in the CPI and rubber industries. It would
not be possible in any plant I was involved with. Three of them
had the potential to make Bhopal look trivial.

To get a major disaster out of a modern process plant, you pretty
much have to be in the control room. Bhopal and Chernobyl (sp?)
are examples.

Tear open a line in the wrong place and you have the
potential for a major accident. For example at the outlet
from the furnaces of a cracking unit the gas is above its
self ignition temperature, a fracture here would be VERY
bad news.

In the case of the Flixborough accident in the UK a pressure
vessel was bypassed by the maintenance dept using pipes and bellows units.
Unfortunately the bypass was not properly anchored
and a slug of liquid caused the bypass to tear loose.

Keith




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