Japan's N-reactor gets tent
Source: Agencies |
August 13, 2011, Saturday
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Print Edition
Print Edition
THE operator of Japan's damaged Fukushima Dai-ichi nuclear power plant is building a huge tent to cover one of the worst-hit reactors, officials said yesterday.
Officials hope the cover will keep radioactive materials that have already leaked from spreading, prevent rainwater seepage and offer a barrier from possible leaks or blasts in the future. The tent is being erected to provide a temporary replacement for the No. 1 reactor's outer housing shell, which was destroyed in an explosion caused by high pressure the day after Japan's deadly earthquake and tsunami on March 11.
Construction of the tent and its foundation began this week, Koji Watanabe, a spokesman for the power utility, said yesterday. The work couldn't begin until now because the location was too dangerous for workers to operate in.
The tent is made up of airtight polyester. It will stand 54 meters tall and stretch 47 meters in length. It is held up by a metal frame.
Tokyo Electric Power Co officials have struggled to come up with ways to mitigate the dangers from the plant since the disaster struck five months ago, sending reactors into meltdowns, releasing radiative particles into the environment and causing the world's world nuclear crisis since Chernobyl in 1986.
Work at the plant has been hindered by the continuing threat of radiation to workers.
If the tent over reactor No. 1 proves successful, similar coverings will be constructed over other reactors on the plant. The areas around the other reactors are also highly risky to work in. The tent is expected to be completed by the end of September, Watanabe said.
Officials hope the cover will keep radioactive materials that have already leaked from spreading, prevent rainwater seepage and offer a barrier from possible leaks or blasts in the future. The tent is being erected to provide a temporary replacement for the No. 1 reactor's outer housing shell, which was destroyed in an explosion caused by high pressure the day after Japan's deadly earthquake and tsunami on March 11.
Construction of the tent and its foundation began this week, Koji Watanabe, a spokesman for the power utility, said yesterday. The work couldn't begin until now because the location was too dangerous for workers to operate in.
The tent is made up of airtight polyester. It will stand 54 meters tall and stretch 47 meters in length. It is held up by a metal frame.
Tokyo Electric Power Co officials have struggled to come up with ways to mitigate the dangers from the plant since the disaster struck five months ago, sending reactors into meltdowns, releasing radiative particles into the environment and causing the world's world nuclear crisis since Chernobyl in 1986.
Work at the plant has been hindered by the continuing threat of radiation to workers.
If the tent over reactor No. 1 proves successful, similar coverings will be constructed over other reactors on the plant. The areas around the other reactors are also highly risky to work in. The tent is expected to be completed by the end of September, Watanabe said.
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