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RE: Tornado Strike at Davis Besse Station



Title: Message
Simple conclusion: A 747 will bounce off containment; will shred control/aux buildings, take out redundant systems and destroy penetrations - unfiltered ground level release in an hour or so.  Are you ready?
 
Regards, Jim
 
-----Original Message-----
From: John M Priest Jr [mailto:priestj@DTEENERGY.COM]
Sent: Tuesday, May 07, 2002 11:45 AM
To: radsafe@list.vanderbilt.edu
Subject: Tornado Strike at Davis Besse Station

From the AP archives

http://www.geocities.com/CapeCanaveral/Lab/5926/headlin193.htm

Dave Brown wrote:

 A question came up in discussion recently.....  While most of us I'm sure are confident in the structural design and integrity of the reactor containment buildings.  How well are the control room buildings/areas protected....?  I am sure there are significant structural standards for these as well..... just not a topic I've heard discussion of...

At 08:04 AM 5/7/02 -0400, you wrote:
 

>>>>Wasn't there one of the Florida
plants in the direct path of hurricane Andrew(?) a while back that
sustained
damaged, but nothing nuclear.<<<<<

You are right, there was "nothing nuclear".

Funny you should ask.  I looked these web pages up yesterday to respond to
Norm's posted article about the tornado "near miss" at Calvert Cliffs, and
never got back to finishing it.

In a nutshell, Turkey Point took a "direct hit" from this category 4 (and
now thought to be a possible cat 5) hurricane in August of 1992.    The
safety systems and structures held strong.  The plant was OK, but some of
the buildings had some damage.  About half of us here lost our homes, or
could not live in them for months.  Lots of people had to live here on site
in the buildings outside the protected area, because there was no where
else to live.  There was some damage  to the smoke stacks on the fossil
side.  One (I think it was just one of them - maybe both) had to be
destroyed and completely rebuilt.  (There are two fossil units here too).

Regards,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dave Brown, CHP
National Institute of Standards and Technology
100 Bureau Drive, Stop 3543
Bldg 235 Rm B104
Gaithersburg, MD  20899-3543

301-975-5810 - office
301-921-9847 - fax
david.brown@nist.gov
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