Reactor design for Finnish NPP
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#118February 2016

Reactor design for Finnish NPP

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The contract between RAOS Project Oy and OKB Gidropress provides for the development of the reactor project design and engineering documents required to manufacture the core equipment of the reactor island and obtain a license for Hanhikivi-1.

GIDROPRESS’ target for 2016 is to prepare project design documents for a reactor vessel, steam generators and a pressurizer and have them approved by the NPP owner Fennovoima. The equipment for Hanhikivi-1 will be manufactured by Atomenergomash in accordance with the contract signed by the general project supplier RAOS Project Oy on 30 December.

GIDROPRESS is a designer of all VVER-based projects, now counting 71. Most of them (56 reactors with a total capacity of 43,120 MW) are still in operation at 20 nuclear stations in Russia, Ukraine, Armenia, Finland, Bulgaria, Hungary, the Czech Republic, Slovakia, China, India and Iran.

Meanwhile, Hanhikivi-1 general contractor Titan-2 signed a long-term contract with Finland’s Ruskon Betoni Oy to supply concrete for the NPP construction. Its bid was selected from other contenders. The company is located near to the construction site and has the required capacity to make concrete supplies till 2021 inclusively as required by the contract.

Ruskon Betoni Oy will build two concrete plants to meet the contract, have concrete certified by Finland’s Radiation and Nuclear Safety Authority (STUK), and launch the production of high-density concrete in 2018 to be used for the construction of turbine and reactor islands. The contract provides for the annual supplies of 15,000 to 130,000 cubic meters of concrete. The capacity of concrete plants to be constructed bear the construction site will be at least 120 cubic meters of concrete per hour. The company is expected to produce approximately 400,000 cubic meters of concrete during the entire contract period.

The contract for Hanhikivi-1 was signed in December 2013. In September 2014, Atomproekt and Rusatom Energy International signed an agreement to develop the full set of project design documents for the Finnish nuclear station. According to Kirill Komarov, Rosatom’s Deputy CEO for Corporate Development and International Business, the documents will be prepared later this year. In January, the groundworks started on the construction site in Pyhäjoki. The commissioning of Hanhikivi-1 is scheduled for 2024.