英BBCの伝える東電福島第一原発の核燃料棒取り出し作業 （メモ）

　　

2013年11月18日に始まった東電福島第一原発の核燃料棒の取り出し作業についての英国BBCの報道を記憶のためにメモ。

BBC放送がリスキーでデンジャラスなオペレーションが福島で始まった、とトップ報道。意味深なのが最後に、日本にいる英国人に対し「あなたはこの使用済み核燃料の取り出しについてどう思うか、意見を下さい」と。危険極まりないと認識しているのだ。 http://t.co/JmK5JmqHfU

— TertuliaJapón (@TertuliaJapon) 2013, 11月 18

活字情報を検索すると、次のものがこのツイート紹介の報道に相当する模様。記事の最初の方に、"risky and dangerous"という言葉があります。リスキーでデンジャラスなら周囲の地域、といってもかなり広範囲になると思いますが、住民の避難体制や広報連絡体制をしっかり作って周知しておくべきだと思いますが、行政当局はそこまではしていないようです。

●BBC News
Japan's Fukushima nuclear plant begins fuel rod removal
日本の福島原発で燃料棒の除去始まる
http://www.bbc.co.uk/news/world-asia-24958048
18 November 2013 Last updated at 08:12 GMT

Tepco has been preparing for months to remove fuel rods at Fukushima

Workers at Japan's stricken Fukushima nuclear plant have begun removing fuel rods from a storage pond at the Unit 4 reactor building.
The delicate operation is seen as a necessary step in stabilising the site.
It will take about two days to remove the first 22 fuel rod assemblies, plant operator Tepco says.
Overall, more than 1,500 assemblies must be removed in what correspondents describe as a risky and dangerous operation set to take a year.
Experts say hydrogen explosions after the earthquake and tsunami in March 2011 have made the current storage facility vulnerable to further tremors.
The fuel rod assemblies are four-metre long tubes containing pellets of uranium fuel, and the fear is that some may have been damaged during the disaster.

When the tsunami struck, water knocked out cooling systems to three of Fukushima's reactors, which went into a state of partial meltdown.
Unit 4 was undergoing maintenance, so all of its fuel rods were being stored. But a build-up of hydrogen triggered an explosion in Unit 4, damaging its structure.
'Important process' The removal process, which has been preceded by months of repair work and planning, began on Monday afternoon.
"At 15:18 [06:18 GMT], we started to pull up the first fuel assembly with a crane," a spokesman for Tepco (Tokyo Electric Power Company) said.
A recently installed crane is being lowered into the pool and hooked on to the assemblies to place them inside a cask.

The fuel rods will then be deposited into a more secure storage pool with a cooling system.
Experts say it is vital that the casks are watertight so the rods have no contact with air - which risks overheating and possible contamination.
Yoshihide Suga, Japan's top government spokesman, said he hoped the operation would go as planned.
"We hope that this [process] will be conducted in a manner that will not disturb local residents, and that the removal will be done on schedule, properly and safely," he said.
Tepco spokesman Masayuki Ono called the operation "a very important process in moving ahead with the plant's decommissioning".
Nuclear Regulation Authority Chairman Shunichi Tanaka has warned that rubble from the blast in the pool could pose a problem, Kyodo news agency reported.
"The fuel has to be handled very carefully. There is a need to make sure that a fuel assembly is not pulled out (from the fuel rack) by force when it gets stuck because of the rubble," Kyodo news agency quoted him as saying.
The Fukushima nuclear power plant has suffered a number of setbacks in recent months, including a series of toxic water leaks and worker errors.
1. Small crane retrieves spent fuel rods from storage pool. A protective shell has been built over the top of the damaged reactor building. There are 1,331 spent fuel rods and 202 unused fuel rods to be removed
2. Fuel rods are carefully lowered into specially-constructed casks, which each weigh 91 tonnes and can hold up to 22 rods
3. A larger crane lifts full cask out of the storage pond and lowers it out of the building and on to a flat-bed truck. The casks will then be taken to a safe storage pool on the Fukushima site


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