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During the process of the assessment and conduct of the “stress tests” the following external initiating events were reviewed and reassessed in accordance with the current approaches accounting for the consequences from 2011 Fukushima NPP accident:

• earthquakes;

• flooding; 

• extreme weather conditions. 

 

Review of initiating events cover also the evaluation of existing safety margins for the NPP as a whole and for individual structures, systems and components.

Analyses cover the following key effects from loss of safety functions:
 

• loss of power supply; 

• loss of ultimate heat sink; 

• combinations of the two. 

 

A detailed description of the scenarios and the results of the flood analysis is presented in the video below.