Entdinglichung

… alle Verhältnisse umzuwerfen, in denen der Mensch ein erniedrigtes, ein geknechtetes, ein verlassenes, ein verächtliches Wesen ist … (Marx)

TEPCO: Alles im Griff in Fukushima, oder?

Posted by entdinglichung - 7. Oktober 2011

gefunden auf ESSF:

„Tokyo Electric Power Co. has released an estimate that says if water injection at its stricken Fukushima No. 1 Nuclear Power Plant stops, its fuel rods could start melting in 38 hours, causing radioactive substances to spew out.

The utility said, however, it can resume watering at the Nos. 1 to 3 reactors in three hours at the most in case the plant is hit by another earthquake and tsunami matching the scale of the March 11 disaster that caused their core meltdowns.

The estimate said the temperature of the fuel, now believed to have solidified at the bottom of the reactors’ pressure vessels, would rise about 50 C each hour and reach its melting point of 2,200 C in about 38 hours.

The reactors would then start emitting massive amounts of radioactive substances, raising the radiation level around the plant’s premises above 10 millisieverts, the benchmark for prompting an order to evacuate.

Tokyo Electric Power Co.’s in-house report showed Sunday the utility has found its own emergency manual was useless for handling the crisis at the Fukushima No. 1 Nuclear Power Plant and also repudiated the widely-held belief that a hydrogen explosion might have occurred at its No. 2 reactor.

The report indicated the utility prepared the manual with a view to dealing with nuclear plant accidents including severe incidents on the assumption that emergency power generators, including diesel generators, would work properly to keep reactor cooling systems functioning.

In fact, none of the backup generators worked after the March 11 earthquake and tsunami hit the plant located on the Pacific coast.

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