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HarryisPaul

In article ,
says...

On Tue, 15 Mar 2011 12:37:00 -0700, wrote:

On Tue, 15 Mar 2011 02:19:14 -0400, Wayne.B
wrote:

On Mon, 14 Mar 2011 20:35:01 -0400, wrote:

I haven't been opposed to nuclear power. I live about 20 miles from one.
But this latest incident in Japan sure gives one pause.

I think the significant thing is that the problem wasn't the 9.0
earthquake, it was the tsunami. That makes most of the US reactors
somewhat immune to the biggest problem.

It does highlight how vulnerable the cooling systems are to unexpected
second order effects. The Japanese had diesel generators for backup
power and then the diesels got knocked out by the tsunami. There are
a lot of other things that can knock out diesel generators however.
The track record of standby diesels performing reliably in an
emergency is spotty at best. It takes an extremely rigorous
maintenance and testing regime starting with fuel storage, filtration
practices, etc.

Why not just put a big water tank on top of the building... then all
you need is gravity.

The size of the tank.

And the weight.

Boating All Out

In article ,
says...

Why not just put a big water tank on top of the building... then all
you need is gravity.

The size of the tank.

And the weight.

Not if the building is made of the correct concrete mix.
Can you give us the weight for that mix, Kevin?

HarryisPaul

In article ,
says...

In article ,
says...

Why not just put a big water tank on top of the building... then all
you need is gravity.

The size of the tank.

And the weight.

Not if the building is made of the correct concrete mix.
Can you give us the weight for that mix, Kevin?

I'm first of all not Kevin, and second of all, I fail to see the reason
why the building's materials would have anything to do with it. Perhaps
you can enlighten us?

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