NP-102-17 is coming into force

The Federal Safety Regulations shall be applied by a reactor plant design developer, as well as by the operating organization and umbrella material organization, when justifying the strength of the reactor internals of the VVER-type reactor NPPs under design, construction and in operation.

The provisions of the mentioned Federal Safety Regulations do not cover justification of strength of a reactor internals under:

• beyond-design-basis accidents;
• damages of reactor internals in the course of transport and handling operations.

Rostechnadzor Order is No. 409 dated of October 5, 2017, registered in the Ministry of Justice of Russia on October 30, 2017 under the No. 48734.