Specialists of the Second Unit of JSC «MSU-90» are completing equipment installation in the switch chamber at the construction site of the new power units of the Leningrad nuclear power plant.

The facility is part of a water supply system intended for cooling of the nuclear island systems of the first power unit. It consists of spray cooling ponds, underground tunnels, two switch chambers and two pump stations. The Second Unit of JSC «MSU-90» installed the equipment for this facilities.

Pipelines for the system belong to the third safety class. They were manufactured at the manufacturing unit of the company. The pipe diameters vary from 325 to 1020 mm. Each weld seam undergoes thorough inspection.

Work in the second switch chamber is 90% done. All equipment is located at level -5,700. Currently the  hanger-support system is being installed there. Soon installation of pumping equipment will begin in the switch chamber.


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.