Great Eastern Japan Earthquake - Silver lining...

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World Nuclear News

Tepco is proposing to design and install a system of tide barriers with watertight doors at Kashiwazaki Kariwa units 1 to 4. In addition, the company says it has installed facilities on the upland part of the site to provide backup power and water injection to both reactors and spent fuel pools, and taken measures to ensure cooling functions in the event of tsunamis flooding the reactor buildings.

"We plan to prevent the waves from flooding inside the nuclear reactor buildings where important facilities in terms of safety such as power supply facilities and emergency diesel electric power generators are installed and to ensure the fundamental safety in the station," the company says. It promises to design the tide barriers and begin their construction in "a rapid manner."