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  • Events, Vorkommnisse Mühleberg

    KKM: Possible Blockage of the Special Emergency System Water Intake in case of Extreme Flooding (as at: 07.10.2011)

    As a measure following on from the reactor accident at Fukushima, Japan, ENSI ruled on 1 April 2011 that the Swiss nuclear power plant operators must furnish proof of their ability to control a very unlikely extreme flood, and must do so by the end of June 2011.

    Events, Mühleberg Nuclear Power Plant, Mühleberg nuclear power plant (decommissioned), Nuclear Facilities
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  • Events, Vorkommnisse Leibstadt

    KKL: Automatic Turbine Shutdown (as at: 30.06 2011)

    A faulty resistor on an electronic card led to the failure of a module in the turbine control system. As a result, the control dampers on the low pressure turbines closed slowly.

    Events, Leibstadt Nuclear Power Plant, Nuclear Facilities
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  • Events, Vorkommnisse Leibstadt

    KKL: Weld Seam Leak on Small-Bore Pipe of the High Pressure Core Spray (CS) System (as at: 13.04.2011)

    During a function test on the high pressure core spray (CS) system, a thin jet of water was detected. This jet emerged from a weld seam on a small-bore pipe leading to a safety valve. The function test was interrupted, and the affected section of the small-bore pipe was replaced within the permissible time for…

    Events, Leibstadt Nuclear Power Plant, Nuclear Facilities
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