Tsuruga Nuclear Power Plant

F1

Active reactors ( gross ):

Reactors in planning ( gross ):

The nuclear power plant Tsuruga (Japanese敦 贺 発 电 所, Tsuruga hatsudensho ) is a nuclear power plant in Japan. It is located in the city of Tsuruga in Fukui Prefecture.

Block 1 was the first boiling water reactor, which went to Japan to the grid. The manufacturer was General Electric. Its construction was unusually short with 48 months. Block 2, however, is a pressurized water reactor from domestic production (Mitsubishi Heavy Industries ). Both reactors are cooled by sea water.

Units 3 and 4 were - each with 1538 MW capacity - planned; they were declared as prototypes for the more advanced pressurized water reactor.

After the start of the Fukushima nuclear disaster in March 2011, the attitude of many Japanese nuclear energy changed significantly. Earthquakes and floods or tsunami safety since unconditional and extensively investigated.

Incidents

On October 1, 1974 reached 13 tons of radioactive water in a leak into the sea. 37 workers were slightly contaminated.

On March 8, 1981 reached more than 15 tons of radioactive water into the Bay of Urazoko. Due to a defect in the water had run out and passes through a crack in the ground outside. After three hours, the leak was noted. 56 workers were exposed here. Additional explosiveness was the incident by the fact that the competent authorities were not informed until 40 days after the accident.

It turned out that it was already come to considerable problems in repair work:

• On January 10, 1981 19 people to radiation of up to 0.55 mSv per day were exposed.
• During 3 days of repair work to 19 January 1981, 45 people exposed to radiation of up to 0.92 mSv per day.
• During 6 days of repair work to 24 January 1981, 76 people exposed to radiation of up to 1.55 mSv per day.
• During 16 days from the March 8, 1981 138 people to radiation of up to 1.55 mSv per day were exposed. ( Approved company was loud max. 1 mSv per day)

Also the leak from October 1, 1974, known only in the investigation.

The power plant was subsequently closed for 6 months.

On 12 June 1999, it received about 90 tons of water from the primary circuit of Tsuruga 2, was caused by a crack due to material fatigue.

On 2 May 2011 dpa reported the shutdown of reactor 2 due to an incident. In the primary cooling circuit substances were discovered, indicating a defect in the fuel rods.

On December 10, 2012 have reported various media that the plant is located on an active fissure and therefore authority to operate with a high probability and a restoration is placed.

On May 22, 2013 According 'Japan 's nuclear watchdog ' confirms that the nuclear power plant is located on an active Erdsplate.

Data of the reactor units

The nuclear power plant Tsuruga has two blocks in operation, and two more were planned: