Installation of Reactor Pressure Vessel Dry Shielding Completed on Kudankulam NPP Unit 3 (India)

On the site of Kudankulam NPP Unit 3 under construction, Indian contractor Larsen & Toubro (L&T, India), under technical support of Russian experts, completed the works on installation into position of the reactor pressure vessel Dry Shielding.

Dry Shielding is a cylindrical shield in metal cladding filled with serpentine concrete and located around the reactor pressure vessel. This structure serves for the neutron flux attenuation, and facilitates prevention of overheating of the reinforced concrete reactor pit structure.


Works on Dry Shielding preparation for installation are completed in time as scheduled. The equipment was manufactured at Tiazhmash JSC in Syzran town. The cylindrical shield filled with serpentine concrete weighs 140 tons.

Installation of the reactor pressure vessel Dry Shielding is an essential process operation on the critical path of the Unit construction time schedule. After completion of it, the installation of the reactor support truss and other assembly operations are performed, which are followed by the installation of the reactor pressure vessel into position.

For reference:

Engineering Division of ROSATOM unites the leading nuclear companies, such as: JSC ASE EC (Nizhny Novgorod), JSC Atomstroyexport (Moscow), JSC Atomenergoproekt (Moscow) and JSC ATOMPROEKT (Saint-Petersburg) and others. The Engineering Division is the leader in terms of project portfolio and the amount of NPP projects that are constructed abroad simultaneously. About 80% of the Division’s income are accounted for by foreign projects. The Engineering Division implements design and construction projects for high-power NPPs both in Russia and abroad, renders a full range of EPC, EPC(M) services including project management and designing and develops Multi-D technologies for management of complex engineering facilities. 






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