Specialists of the first unit of JSC "MSU-90" started idling of  reactor coolant pump sets motors in  Power Unit 1 reactor building of the Leningrad NPP under construction

All in all there are four motors. Each of them weighs 46 tons. They are installed in the reactor compartment at elevation +14,000. The motors are connected with the reactor coolant pump sets (RCPSs). The equipment is intended for creation of coolant circulation in the reactor plant primary circuit.

Specialists of JSC "MSU-90" fulfilled the entire task. Having assembled the motors, they moved them to the regular place and then added the supplying piping. Each piece of equipment inside the reactor building was moved with the use of an equipment lock trestle crane. Then a polar crane was used for reloading and lowering the equipment to the desired level.


The Holding “Titan-2” is the largest in the North-West group of companies, erecting the most important objects of the nuclear industry and energy. The organization performs a full range of construction and installation works from engineering to commissioning.

The Holding “Titan-2” is one of the main contractors for the construction of power units No. 1 and No. 2 of the Leningradskaya NPP-2. Main organizations of the company perform 30% of general construction and 80% of installation works on the site. Specialists of the holding are engaged on the objects of the Leningradskaya NPP-2 first and second power units. The works are being performed in the buildings of the reactor, turbine, electricity, water, heating system and other structures of power units.