Les cahiers de l'ASN #01 - Nuclear power plants: going beyond 40 years

Checking the leaktightness of the containment* The pressure is increased in the reactor building to check the tightness of its containment in the event of an accident. Anticipating equipment wear and tear This entails precise and exhaustive knowledge of the degradation mechanisms (wear, corrosion, etc.) at work in the equipment of an NPP.