Chubu Electric had been building an 18 ft seawall at it’s Hamaoka plant in response to the Fukushima nuclear disaster. Japan’s nuclear safety agency has instructed Chubu Electric Power Company to implement comprehensive measures to protect its Hamaoka nuclear power plant from tsunami as tall as 21 meters, after a government panel last Friday revised upward its prediction about the likely intensity of a major earthquake expected along the Nankai Trough in the Pacific Ocean and subsequently raised the maximum height of tsunami that could be triggered by such a mega-quake.
The panel said that tsunami hitting the coast near the Hamaoka power plant could be as tall as 21 meters, or higher than the 18-meter breakwater currently being built by the Chubu Electric Power Company.
An agency official says he also called on the utility to make sure its current disaster preparedness measures were sufficient to prevent a nuclear fuel meltdown.
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