March 11th, 2011 – State of emergency at following NPPs – Can’t monitor ECCS

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From: Akihiro YAMAMOTO [mailto:[email protected]]
Sent: Friday, March 11, 2011 12:00
Subject: [Yama] Situation update (19:45 Japan time)

NISA is now holding a press conference.

Fukushima 1-1 (ECCS mode)
Fukushima 1-2 (ECCS mode) – Call off the emergency
Fukushima 1-3 (ECCS mode)
Fukushima 2-1 (ECCS mode)

The problem is that they can’t monitor water injection (ECCS).

It might be a problem of the monitoring system.

In fact, TEPCO called off the emergency of unit 1-2 a while ago because they are able to monitoring the water level in the reactor now.

Yama


From: Akihiro YAMAMOTO [mailto:[email protected]]
Sent: Friday, March 11, 2011 7:30 PM
Subject: [Yama] Situation now – ECCS mode

Dear all,

TEPCO (Tokyo Electric Power Company) declared the state of emergency of following NPPs:

Fukushima 1-1
Fukushima 1-2
Fukushima 1-3
Fukushima 2-1 (ECCS mode now)

I am trying to get information why DG can’t start up (problem of intake sea water for the cooling DG system?)

There is a fire from turbine building (B1 floor) at Onagawa NPP unit 1 but the fire fighting was completely succeded.

http://www.yomiuri.co.jp/dy/national/20110311_dy0l.htm

A while ago, Fukui (my office located) had also earthquake (M4.1). We have 15 NPPs but no damage to the NPPs.

Yama
……………………………….
Akihiro YAMAMOTO
Ageing Management Specialist,
Nuclear Safety Measurement Division
Fukui Prelfectural Giovernment
Telephone: +81 (0) 776 20 0314
E-mail: a-vamamotoghoushasen.tsuruga.fukui.i p


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