Japan wants 3 reactors closed while seawall built
TOKYO. May 7. KAZINFORM Japan urged a power company Friday to suspend all three reactors at a coastal nuclear plant while a seawall and other structures are built to ensure a major earthquake or tsunami does not cause a second radiation crisis; Kazinform refers to China Daily.
The move came as the government is conducting a safety review of all Japan's 54 nuclear reactors after the Fukushima Dai-ichi nuclear plant was crippled by the March 11 earthquake and tsunami that left more than 25,000 people dead and missing on the northeast coast.
The Hamaoka nuclear plant just 110 yards (100 meters) off the Pacific coast in central Japan is the only one so far where the government has asked that operations be halted until the utility can implement safety measures.
Chubu Electric Power Co. did not immediately say if it would halt operations there, but Kyodo News Agency cited company sources as saying it would. Government officials estimate the work could last two years.
Prime Minister Naoto Kan said at a news conference Friday evening he requested the shutdown for safety reasons, citing experts' forecast of a 90 percent probability of a quake with magnitude of 8.0 or higher striking central Japan within 30 years.
"It was a decision made after thoroughly considering people's safety," Kan told a news conference.
The government asked Chubu Electric to suspend two running reactors and a third already shut for a regular inspection at the plant in Shizuoka, 155 miles (250 kilometers) west of Tokyo.
"If an accident occurs at Hamaoka, it could create serious consequences," Kan said.
Since the March 11 disasters, Chubu Electric has drawn up safety measures that include building a seawall nearly a mile (1.5 kilometers) long over the next two to three years.
"The height of the seawall is at least 12 meters. We have come up with this safety measure after the March quake and tsunami," said Takanobu Yamada, an official at Chubu Electric.
The company also plans to erect concrete walls along 18 water pumps at the plant. Yamada said the walls aim to protect the pumps from damage from an earthquake and tsunami, and it will take a year or one and a half years to complete the construction.
The plant does not have a concrete sea barrier now, but sandhills between the ocean and the plant are about 32 to 50 feet (10 to 15 meters) high, according to the company. The seawall of at least 40 feet (12 meters) would be built between the sandhills and nuclear plant.
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