30th November 2021

Dhaka, Nov 30, 2021 (PR) - Installation of the circular (polar) crane bridge has been completed in the reactor building of power unit-2 of the under construction Rooppur NPP at Ishwardi, Pabna.

 

The "Energospecmontazh” specialists have performed works on lifting and installing the polar crane bridge beams on the rail tracks at +38.50m elevation using a Liebherr heavy crawler crane of 1350t lifting capacity.

 

“The next milestone has been completed at the Rooppur NPP power unit 2. The polar crane installation is one of the crucial events in construction of the power unit. After the adjustment and testing of the crane, installation of the main heavy equipment and pipelines will start in the reactor compartment,” said Aleksey Deriy, Atomstroyexport (ASE) Vice President and Director of the Rooppur NPP Construction Project.

Currently, the works related to installation of the crane structures and mechanisms on the crane track are under way.

 

The polar crane is being installed under the dome of the inner containment of the NPP reactor building. The crane bridge travelling along the circular rail above the reactor shaft and the polar crane trolley travelling along the bridge allows handling operations at any point in the reactor compartment. By using the polar crane of 360t lifting capacity, all heavy equipment will be installed, including the steam generators and the reactor vessel itself. After the NPP is put into operation, the crane will be used for repair works and fuel transportation.

 

The installation of the polar crane bridge will complete installing of reinforced structures at the inner containment tier 5 at the Rooppur NPP power unit 2 and its concreting by the end of December.

 

At present, the assembly and welding of the reinforced structures at tiers 6, 7, 8 of the inner containment dome at the power unit 2 reactor building has started on two stands located in the immediate vicinity of the power unit.

 

The Rooppur NPP having two generations III+ VVER-1200 reactors and the total 2400 MW capacity is being constructed according to the Russian design. The General Contractor for Rooppur NPP construction is Atomstroyexport (the Engineering Division of Rosatom).


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