桜・Fukushima

(11) Report on the results of the earthquake response analysis of the reactor building, facilities and pipes important to earthquake safety in Unit 1 at Fukushima Daini Nuclear

○ There was no wind pressure but we heard a sound like a balloon popping. Then everything went white and after little bit I heard a sound like pitter patter and I thought that

Reactor automatically trip (scram) Electrical power supplied by transmission lines Power provided by generator operating with diesel fuel (emergency diesel generator) Cooling by

Situation of storing and treatment of accumulated water in the building (actual record) Stored amounts in each unit building (Units 1 to 4 (including condensers and trenches)), and

The base model for stripped wave analysis is estimated by making use of the observation records of the free base obtained from this earthquake, the stripped wave analysis

Fukushima Daiichi Unit 5 was restored and achieved cold shutdown by getting access to power from the emergency DG of Unit 6 and installing a temporary underwater pump to replace

 The following measures were implemented and it has been confirmed that the total amount of accumulated radioactive water has been reduced by processing the accumulated

2:20 am As the radiation dose over 500μSv/h was measured near the main gate (751μSv/h), it was determined that a specific incident stipulated in article 15, clause 1 of Act on