Summary of reactor unit status at 18 March - Graham Andrew

Presentation by Graham Andrew Special Assistant to the DG for Scientific & Technical Affairs March 18 th 2011

03/18/11 17:42 Unit 1 2 3 4 Power (MWe/th) 460/1380 784/2381 784/2381 784/2381 Type of Reactor BWR-3 BWR-4 BWR-4 BWR-4 Status at time of EQ In service – auto shutdown In service – auto shutdown In service – auto shutdown Outage Core and fuel Damaged Damaged Damaged No fuel rods RPV & RCS integrity Unknown Unknown Unknown N/A Containment integrity No damage reported Damage suspected No information N/A AC Power Not available Recovery is on-going Not available Not available Building Severe damage Slight damage Severe damage Severe damage Water level of RPV Around half of Fuel assembly Around half of Fuel assembly Around half of Fuel assembly N/A Pressure of RPV Stable Unreliable data Stabilized CV Pressure Drywell Unknown Stable Stable Water injection to RPV Seawater Seawater Seawater N/A Water injection to CV Not available Not available Not available N/A Spent Fuel Pool No information No information No information No information

Date : March 18 Time : UTC Reporting time: 03/18/11 17:42 Unit 5 6 Power 784/2381 1100/3293 Type of Reactor BWR-4 BWR-5 Status at the EQ occurred Outage Outage Core and Fuel No damage expected No Damage expected Containment int. No damage expected No damage expected AC Power 1 Emergency Diesel From unit 6 Emergency Diesel Building No damage reported No damage reported Water level of RPV Above fuel Above fuel Pressure of RPV No information No information Containment Pressure No information No information Water injection to RPV Not necessary Not necessary Water injection to CV Not necessary Not necessary Spent Fuel Pool Temperature Slightly increasing Stabilised Severe condition Concern No immediate concern

INES rating, March 18
Fukushima Daiichi Units 1, 2 and 3 - INES 5
core damage caused by the loss of all cooling function
Fukushima Daiichi Unit 4 – INES 3
cooling and water supply in the spent fuel pool have been lost
Fukushima Daini Units 1, 2 and 4 – INES 3
loss of cooling functions

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Summary of reactor unit status at 18 March - Graham Andrew

by IAEA on Mar 18, 2011

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Summary of reactor unit status at 18 March - Graham Andrew — Presentation Transcript