The specialists of JSC “MSU-90” and OJSC “UAT” installed a piece of large size equipment in the reactor building of Power Unit 1 of the LNPP under construction.

The equipment lock was installed at level +26,000 of reactor building. It is one of the biggest components of the Nuclear Island. Its weigh is over 270 tons. The lock length is 7.6 meters, its diameter is 7.5 m. The equipment was manufactured by “Petrazavodskmash” works (branch of JSC “AEM-Tekhnologii”).

During operation the equipment lock will provide transportation of large size cargoes and nuclear fuel to the reactor building.

The equipment lock was delivered to the place of its installation with the use of special automobile trailer. The heavy-weight equipment was hoisted to the required level in accordance with the special Method Statement with the use of the trestle crane.

Further the equipment lock shall be put on the re-railing tracks and transferred to its standard place – in the opening between the outer and inner containments of reactor.


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.