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Summary of Reactor Unit Status (12 April 2011, 14:30 UTC)

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Summary of Reactor Unit Status (12 April 2011, 14:30 UTC)

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Summary of Reactor Unit Status (12 April 2011, 14:30 UTC)

  1. Technical Briefing Summary of reactor unit statusTotal Deposition & Layer Concentration April 12th 2011 Miroslav Lipar IAEA International Atomic Energy Agency
  2. Unit 1 2 3 4Power (MWe /MWth) 460/1380 784/2381 784/2381 784/2381Type of Reactor BWR-3 BWR-4 BWR-4 BWR-4 In service – auto In service – autoStatus at time of EQ In service – auto shutdown Outage shutdown shutdownCore and fuel integrity Damaged Severe damage Damaged No fuel in the Reactor RPV temperature high butRPV & RCS integrity RPV temperature stable RPV temperature stable stable Not applicable due to outage plant statusContainment integrity No information Damage suspected Damage suspected AC power available – AC power available - power AC power available – power AC power available – power power to instrumentation –AC Power to instrumentation – Lighting to instrumentation – Lighting to instrumentation – Lighting Lighting to Central Control to Central Control Room to Central Control Room to Central Control Room RoomBuilding Severe damage Slight damage Severe damage Severe damage Around half of Fuel is Around half of Fuel is Around half of Fuel isWater level of RPV uncovered uncovered uncoveredPressure of RPV Increasing Stable Stable Not applicable due toCV Pressure Drywell Increasing Stable Stable outage plant status Injection of freshwater – Injection of freshwater – Injection of freshwater –Water injection to RPV via mobile electric pump via mobile electric pump via mobile electric pump with off-site power with off-site power with off-site powerWater injection to CV No information No information No information Fresh water spraying Freshwater injection via Freshwater injection to the Fresh water injected bySpent Fuel Pool Status completed by concrete Fuel Pool Cooling Line Fuel Pool Cooling Line concrete pump truck IAEA pump truck and Periodic spraying04/12/2011 11:00 UTC
  3. Unit 5 6Power 784/2381 1100/3293Type of Reactor BWR-4 BWR-5Status at the EQ occurred Outage OutageCore and Fuel Severe conditionRPV & RCS integrityContainment int. ConcernAC Power No immediate concernBuilding Cold Shutdown Cold Shutdown Being maintained using off- Being maintained using off-Water level of RPV site electrical power and site electrical power and existing plant equipment. existing plant equipment.Pressure of RPVContainment PressureWater injection to RPVWater injection to CVSpent Fuel Pool Status IAEA04/12/2011 11:00 UTC
  4. Iodine 131 – Total Deposition & Layer ConcentrationMarch 14th – April 11th, 2011 IAEA Miroslav lipar 4/12/2011 4
  5. Cesium 137 – Total Deposition & Layer ConcentrationMarch 14th – April 11th, 2011 IAEA Miroslav lipar 4/12/2011 5

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