The task is performed by the specialists of Titan-2 subsidiary – JSC “MSU-90”.

The spent fuel pool is intended for spent nuclear fuel storage in the boron water. It is located in the reactor hall from +8.000 up to +26.000 elevation and has a capacity of 1800 m3.

Spent fuel pool was gradually filled with water. The target is to check walls density. They are made of concrete and covered with 4mm thick stainless steel sheets. Once testing is over, the pool will be drained and the specialists shall commence assembly of the spent fuel pool racks and faulty assemblies detection system.


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.