APR: your source for nuclear news and analysis since April 16, 2010

Monday, March 14, 2011

Breaking ... Fukushima Daiichi No. 2

EXPLOSION HAZARD RISING AT DAIICHI NO. 2

The Nuclear and Industrial Safety Agency reports that the No. 2 plant at Fukushima Daiichi has lost all ability to pump coolant in the primary and is losing coolant. Pressure in the primary is rising and pressure in the containment is also rising. It reports that an explosion at the plant identical to that which has already occurred at Nos. 1 and 3 plants is possible.

For whatever it is worth, these plants seem to be exhibiting some sort of flaw vis a vis the ability to provide emergency decay heat removal post-casualty and it will have to be seen in the investigations after the immediate crisis is over what exactly is preventing all of these plants from being able to provide adequate makeup water and core cooling. It is troubling that even with the experience of Nos. 1 and 3 plants at hand TEPCO is unable to prevent this at No. 2 plant ... although this analysis may be too harsh and too early.

3:30 AM Monday 3/14...

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