The height of the building reached 67 meters.

11000 cubic meters of concrete were laid and 3000 tons of rebars were installed during the inner containment construction. The thickness of inner containment reinforced cast concrete reached 1200mm, being in line with the design requirements. The construction personnel is about to erect the upper part of the dome – column. It will increase the building height up to 68.5m.

As noted by Pavel Ivanov, Chief Engineer of the Construction Supervision Division of the LNPP-2 Capital Construction Department, inner containment construction is complicated and time-consuming. It requires a lot of material, technical and labor resources. The concreting was performed simultaneously with containment pre-stressing system (CPS) arrangement; and now the next stage commences – prestressing of the vertical and horizontal CPS tendons in the reactor building dome.


Titan-2 Holding is the largest in the North-West group of companies, constructing the most important nuclear industry and power facilities. The company performs a full range of construction and installation works from engineering to commissioning.

Titan-2 Holding is the general contractor for the construction of the Leningrad NPP-2 power units. The Holding Companies perform all the civil, installation, and electrical works at a construction site. The works are carried out in the reactor, turbine, power supply, water supply, heat cogeneration buildings and other power unit structures.