“Emergency declared” at New Jersey nuke plant after reactor coolant leak — “Leakage outside containment”

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“Emergency declared” at New Jersey nuke plant after reactor coolant leak — “Leakage outside containment”


Event Notification Report for July 15, 2011, NRC, July 15, 2011:

[Emphasis Added]

Event Number: 47052
Facility: SALEM
Region: 1 State: NJ
Event Date: 07/14/2011
Event Time: 20:53 [EDT]
Emergency Class: UNUSUAL EVENT
10 CFR Section: 50.72(a) (1) (i) – EMERGENCY DECLARED [...]

UNUSUAL EVENT DECLARED BASED ON REACTOR COOLANT LEAK GREATER THAN 10 GPM

“At 2053 on July 14, 2011 Salem unit 2 declared an Unusual Event due to reactor coolant system leakage greater than 10 gallons per minute. While performing a monthly Emergency Core Cooling System vent of the high head safety injection piping a motor operated valve was opened and a leak developed on the high head piping greater than 10 gallons per minute. The leak rate was approximately 11-15 gallon per minute. The leak was terminated when the motor operated valve was closed. The time of the leak was about 6 minutes.”

At this time the leak is believed to be from a crack on the Boron Injection Tank (BIT) relief valve line which is connected to the high head piping. A total of approximately 90 gallon of reactor coolant leaked into the BIT room. The licensee has declared the high head safety injection inoperable and is proceeding to shutdown under Tech Spec 3.0.3. [...]

* * * UPDATE FROM KARL HANPHO TO VINCE KLCO ON 7/15/11 AT 0025 EDT* * *

“Salem Unit 2 declared an Unusual Event due to Reactor Coolant System (RCS) leakage being greater than 10 gpm and pressurizer level decreasing. Leakage was estimated to be approximately 15 gpm. [...] Salem Unit 2 began the Technical Specification shutdown [...]

“In addition since the leakage from the weld on the high head charging/safety injection piping exceeded the analyzed limit for ESF leakage outside containment, this event is also being reported in accordance with 10CFR50.72(b)(3)(v) and RAL 11.2.2.b as a condition that prevents the ability to mitigate the consequences of an accident.

“Salem unit 2 is currently at 27% and reducing power.” [...]

* * * UPDATE FROM KARL HANPHO TO CHARLES TEAL ON 7/15/11 AT 0345 EDT* * *

Salem Unit 2 has exited the Unusual Event as of 0339 EDT. The criteria for exit was the leakage rate was below the 10 gpm rate. The plant is in Mode 3 and is preparing to cooldown.

From June 28: Cooling pump fails at New Jersey nuclear reactor, plant shut down

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Comment by mick on July 16, 2011 at 7:26pm

Stuxnet anyone ?

 

Comment by Maria De Wind on July 16, 2011 at 6:43pm
Comment by LaVerne Swanson on July 16, 2011 at 6:33pm
@ Vivian...this you won't see on the mass media news.  Your government is lying to you.
Comment by Karen Quinn-Tostado on July 16, 2011 at 6:31pm
I do not believe in "coincidence", and with all the nuclear issues we're facing, believe that somewhere in all this is a nefarious plan to alter our dna..........
Comment by Vivian on July 16, 2011 at 8:59am
I live in NJ and didn't see anything about this on the news.  I'm glad that it was resolved.
Comment by windy windlan on July 16, 2011 at 6:37am
Cold fusion is here today, commercially available. But we're not supposed to know that. We have hundreds of nuke plants that are all potentially like Fukushima. It only takes a loss of electricity to the nukes for four hours before they start coming apart at the seams. One coronal mass ejection could do the trick or a big earthquake (no tsunami needed). The flooding of the Missouri River has got one in trouble right now. I have read that using thorium instead of uranium make for a safe nuke plant but no PTB seems to be envisioning that.
Comment by Andy Anduer on July 16, 2011 at 6:21am
It's wear and tear on the machine, but whose paying attention?
Comment by LaVerne Swanson on July 16, 2011 at 3:44am
Freaking incredible!!!
Comment by LYNN SHEDLER on July 16, 2011 at 1:57am

Are  these  guys  stupid,  or  what?  After  Japan's  disaster  -  every  nuclear  plant  should  be  checked  and  I  mean  really  checked;  Top  to  Bottom.  They  are  all  aging  -  even  in  Canada  and  need  an  over  haul!!   New  parts  need  to  be  installed;  not  refurbished.  This  is  too  much.  Where's  the  next  one  going  to  be?  The  old  saying:  "Nothing  lasts  forever",  comes  to  mind!!!

Comment by Andy Anduer on July 16, 2011 at 12:49am
I hope it stays shut down and eventually capped, ..forever!

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