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RNPP Unit 1 : Outer containment concreting completed ahead of schedule

RNPP Unit 1 : Outer containment concreting completed ahead of schedule

Staff Correspondent

With the accomplishment of concreting of the dome part of the outer containment entire concreting of the outer containment of the reactor building of Unit 1 at Rooppur Nuclear Power Plant ( RNPP) has been completed 45 days ahead of schedule.

The entire process took 110 days instead of 155 and was scheduled for April 15, 2023.

1,383 cubic meters of concrete were used for the dome part concreting. 65 specialists including 44 Bangladeshis took part in the process.

Owing to the optimization of the outside containment concreting period, it became possible to install the inner and outer parts of steel structures of the passive heat removal system (PHRS) deflector in the design position ahead of schedule. The complex operation was performed in two stages.

“Installation of deflector ahead opened a possibility for installation of heat exchangers, heat exchanging module casings, and PHRS air ducts”, said Alexey Deriy, ASE Vice President and Director for Rooppur NPP construction project.

Rooppur NPP equipped with two VVER-1200 reactors with a total capacity of 2400 MW is being constructed under the Russian design. VVER 1200 is an evolutionary generation III+ design that fully complies with all the international safety requirements. The Engineering Division of Rosatom State Corporation is implementing the project as the General Contractor.

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