Friday, January 17, 2014

(Just In from TEPCO Nuclear) Water Leak Near MSIV Room on 1st Floor of Reactor 3 Found by Worker Monitoring Live Images Taken by Robot


(UPDATE 1/18/2014) Video, additional information in the new post. The water is flowing fast.

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No images, videos, details yet.

From TEPCO's email alert for the press in Japanese (1/18/2014):

福島第一原子力発電所3号機原子炉建屋1階主蒸気隔離弁室近傍における水漏れについて

Water leak found near the Main Steam Isolation Valve Room on the 1st floor of Reactor 3 at Fukushima I Nuclear Power Plant

本日(1月18日)午後2時40分頃、3号機原子炉建屋瓦礫撤去用ロボットのカメラ画像を確認していた当社社員が、3号機原子炉建屋1階北東エリアの主蒸気隔離弁室の扉付近から、水が、当該扉近傍に設置されている床ドレンファンネル(排水口)に幅約30cmで流れ込んでいることを発見しました。

Today (January 18) at around 2:40PM, our employee who was monitoring the images taken by the camera mounted on the robot for removing the debris from the Reactor 3 building found the water running, at 30cm wide, from near the door to the Main Steam Isolation Valve Room located in the northeast area of the 1st floor of Reactor 3 into the floor drain funnel near the door.

当該漏えい水は、原子炉建屋最地下階の床ドレンサンプへつながる床ドレンファンネルへ流入しており、原子炉建屋外への流出はありません。

This water is flowing into the floor drain funnel that connects to the floor drain sump in the basement of the reactor building, and there is no leak from the reactor building to outside.

なお、モニタリングポスト指示値の有意な変動、およびプラントパラメータ(原子炉注水流量、原子炉圧力容器底部温度、格納容器内温度等)の異常は確認されておりません。

There is no statistically significant change observed at the monitoring posts and in the plant parameters (amount of water injected into the reactors, temperatures at the bottom of reactor pressure vessels, temperatures inside the containment vessels, etc.).

現在、漏えい状況および原因等を調査しております。

We are currently investigating the situation of the leak and the cause of the leak.

当該漏えい箇所の雰囲気線量は約30mSv/hです。

The ambient air dose rate near the leak is about 30 millisieverts/hour.


Reactor 3 first floor radiation levels (from my 7/23/2013 post):


Compared to other reactors that had explosive events (Reactor 2 did not have hydrogen explosions like Reactors 1 and 3, but some kind of event did seem to happen in the Suppression Chamber), Reactor 3's radiation levels are markedly higher.

14 comments:

Anonymous said...

Compared to other reactors that had explosive events (Reactor 2 did not have hydrogen explosions like Reactors 1 and 3, but some kind of event did seem to happen in the Suppression Chamber), Reactor 3's radiation levels are markedly higher.

TEPCO cooked Core of Reactor 2 and then blew it out
http://tekknorg.wordpress.com/2014/01/11/tepco-cooked-core-of-reactor-2-core-and-then-blew-it-out/

Anonymous said...

Who swallows the Tepco spin as in: ' there is no leak from the reactor building to outside'

Huh?

Anonymous said...

Reactor 2 as hothouse,
http://www.zerohedge.com/sites/default/files/images/user5/imageroot/bernanke/heatAll.jpg

Reactor 2 "cold shutdown",
http://ex-skf.blogspot.com/2012/01/inside-fukushima-i-nuke-plant-reactor-2.html#comment-form

Reactor 2 "cold shutdown with energetic air",
"radiation levels 100-centimeter off the wall were higher than those at 50 centimeters."
http://ex-skf.blogspot.com/2012/03/73-siervertshr-radiation-inside-reactor.html

Reactor 3, the only reactor that needed green goo,
http://cryptome.org/2012-info/daiichi-12-02-05/pict3.jpg

Anonymous said...

As if Tepco *knew* whether or not it is leaking outside... they probably mean "we have no indication it is leaking outside" with an implied "we did not investigate the issue either"
Beppe

Anonymous said...

Beppe, humans at TEPCO cannot investigate. It's near 5Sv/hr spot.

sangell said...

I'm going to guess condensation which has to be big problem all over these buildings now that cold winter air chills piping and the moist warmer air from around the reactor areas hits those cold metal surfaces

arevamirpal::laprimavera said...

sangell, it doesn't look like condensation at all. I'm writing a post now.

Anonymous said...

"There is no statistically significant change observed at the monitoring posts and in the plant parameters (amount of water injected into the reactors, temperatures at the bottom of reactor pressure vessels, temperatures inside the containment vessels, etc.)"

Would that not in and of itself have to mean that this leak has been going on for quite some time?
*mscharisma*

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