The dome sealing the the internal containment (IC) at Akkuyu 1, part of a four-reactor power plant project in Turkey, has been completed, Russian builder Rosatom said last week.
"2022 was not an easy year, but very successful and productive," said Akkuyu Nuclear JSC Chief Executive Officer Anastasia Zoteeva. "As planned, on the eve of the New Year, we completed the installation of the internal containment dome, an important stage in the construction of the first power unit."
The IC dome has a spherical shape and consists of 16 mounting sections weighing 215 tons. The structure of the dome also includes the metal structure of the platforms for servicing the sprinkler system weighing 46 tons. Especially for lifting the dome to a height of +61.700, a traverse weighing 75 tons was developed and manufactured. The total weight of the structure lifted by the Liebherr LR 13000 crane was 340 tons. The enlarged assembly of the dome was performed at the Akkuyu NPP site and took 3.5 months.
After concreting the dome part of the IC, the final stage of construction and installation works of the outer containment will begin.
Construction and installation works at the Akkuyu NPP site are ongoing at all sections of the main and auxiliary facilities construction: four power units, on-shore hydraulic engineering structures, power distribution systems, administrative buildings, training center, physical protection facilities of the future NPP. All construction stages at the Akkuyu NPP site are thoroughly monitored by independent inspection organizations and the Nuclear Regulatory Authority of Turkey (NDK), the national regulatory authority.
"We are getting closer to the key event of next year – the delivery of fresh nuclear fuel to the Akkuyu NPP site," said Zoteeva, noting, "We still have to install the outer containment and perform other acceptance work before completing the construction of the first unit for the centenary of the Republic of Turkey."
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