One of two borated water tanks is being tested at the reactor building of the first Power Unit at the Leningrad NPP under construction.

These tanks will serve as a borated water storage for emergency cases. Specialists of JSC MSU-90 mounted the tanks, reveted them and installed the filtering modules.

The equipment is between level marks -3,700 and 0,000. The tanks are made of stainless steel, their volume is 1100 and 1200 m3. To perform hydraulic tests one of the tanks was filled with chemical demineralized water and left for a day. After specialists ascertained that the tank is tight, they commenced preparing pipelines of the first and second safety trains for washing by this equipment.

The second borated water storage tank shall be hydraulically tested in the near future.


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.