Russia’s MBIR sodium-cooled fast neutron research reactor gets construction licence

Russian regulator Rostechnadzor has issued a construction licence for the multipurpose sodium-cooled fast neutron research reactor, or MBIR by its Russian acronym. The reactor complex will be located at the site of the Research Institute of Atomic Reactors (RIAR), in Dimitrovgrad.

In November, Uralenergostroy was selected in an open tender as the general contractor for the MBIR construction project. Uralenergostroy is currently completing the BN-800 fast neutron reactor at the Beloyarsk nuclear power plant, which is in the Sverdlovsk region in central Russia. Also known as Beloyarsk 4, the BN-800 sodium-cooled fast neutron reactor achieved first criticality in June 2014, but has not yet started commercial operation.

Preparatory work at the MBIR site will culminate this summer with the pouring of concrete for the foundation of the main building that will house the reactor.

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