- Jeff -
- Here is a picture of collateral damage at the Hope Creek
NJ reactor. This is a valve used for Residual Heat Removal. The damage
was caused by the shaking of Circulation Pump B. During the last cycle
of operation, that violent shaking actually caused valve handwheels and
limit switches to vibrate loose and fall to the floor.
- Nuclear 101 - when you can sweep parts off the floor,
it's shaking too much! One of the fixes by the designers is to allow operating
the damaged valve and others without those handwheels. The proper repair
would be to replace the warped shaft in Circulation Pump B at a cost of
$7-8 million dollars. That's just a pittance of the $12 billion dollars
being spent by Exelon to buy the plant. he NRC has given its seal of approval
to operate the reactor despite the risks.
- Scott Portzline