Ural (icebreaker)
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''Ural'' (russian: Урал) is a Russian Project 22220
nuclear-powered icebreaker A nuclear-powered icebreaker is an icebreaker with an onboard nuclear power plant that produces power for the vessel's propulsion system. , Russia is the only country that builds and operates nuclear-powered icebreakers, having built a number of ...
. Built by
Baltic Shipyard The OJSC Baltic Shipyard (''Baltiysky Zavod'', formerly Shipyard 189 named after Grigoriy Ordzhonikidze) (russian: Балтийский завод имени С. Орджоникидзе) is one of the oldest shipyards in Russia and is part o ...
in
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
, the vessel was laid down in 2016, launched in 2019 and delivered in 2022.


Development and construction


Background

In the late 1980s, the Russian research institutes and design bureaus developed a successor for the 1970s ''Arktika''-class nuclear-powered icebreakers as part of a wider icebreaker fleet renewal program initiated shortly after the dissolution of the Soviet Union. The new 60-megawatt icebreaker, referred to using a type size series designation LK-60Ya,The type size series designation "LK-60Ya" (russian: ЛК-60Я) comes from the Russian language word for "icebreaker" (russian: text=ледокол, translit=ledokol), propulsion power (60 megawatts), and the first letter of the Russian word for "nuclear" (russian: text=ядерное, translit=yadernoye). would feature a so-called dual-draft functionality which would allow the vessel to operate in shallow coastal areas after de-ballasting. Although the preliminary designs had been developed almost two decades earlier, the LK-60Ya design was finalized in 2009 as Project 22220 by
Central Design Bureau "Iceberg" Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known a ...
and the construction of the first vessel was awarded to
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
-based
Baltic Shipyard The OJSC Baltic Shipyard (''Baltiysky Zavod'', formerly Shipyard 189 named after Grigoriy Ordzhonikidze) (russian: Балтийский завод имени С. Орджоникидзе) is one of the oldest shipyards in Russia and is part o ...
in August 2012. Two additional contracts in May 2014 and August 2019 have increased the number of Project 22220 icebreakers under construction or on order to five. , Russian government reportedly plans to allocate 118 billion rubles for the construction of two additional Project 22220 icebreakers that would be delivered in 2028 and 2029.


Construction

The tender for construction of two additional Project 22220 nuclear-powered icebreakers, referred to as the first and second serial vessels of the project, was announced at the keel laying ceremony of the lead ship ''Arktika'' on 5 November 2013. On 8 May 2014, the 84.4 billion
ruble The ruble (American English) or rouble (Commonwealth English) (; rus, рубль, p=rublʲ) is the currency unit of Belarus and Russia. Historically, it was the currency of the Russian Empire and of the Soviet Union. , currencies named ''rub ...
(about US$2.4 billion) contract for two vessels was awarded to the Saint Petersburg-based Baltic Shipyard which was the only company whose bid had been accepted. The keel of the third Project 22220 icebreaker was laid on 25 July 2016, shortly after the partially-assembled hull of the previous vessel, ''Sibir'', had been moved down the
slipway A slipway, also known as boat ramp or launch or boat deployer, is a ramp on the shore by which ships or boats can be moved to and from the water. They are used for building and repairing ships and boats, and for launching and retrieving small ...
for final hull assembly. Unlike in the previous two vessels, the
RITM-200 The RITM-200 is an integrated generation 3+ pressurized water reactor developed by OKBM Afrikantov and designed to produce 55 MWe. The design is an improvement of KLT-40 reactor. It uses up to 20% enriched uranium-235 and can be refueled every 10 ...
nuclear reactor A nuclear reactor is a device used to initiate and control a fission nuclear chain reaction or nuclear fusion reactions. Nuclear reactors are used at nuclear power plants for electricity generation and in nuclear marine propulsion. Heat fr ...
s were lifted onboard the vessel while it was still on the slipway. By February 2019, the hull of the new icebreaker had been constructed up to the thick ice belt level, and the vessel was launched as ''Ural'' on 27 May 2019. The name had previously been selected for the final ''Arktika''-class icebreaker when it was laid down in 1989, but during construction the vessel was renamed ''
50 Let Pobedy ''50 Let Pobedy'' (russian: 50 лет Победы; "50 Years of Victory", referring to the anniversary of victory of the Soviet Union in World War II) is a Russian nuclear-powered icebreaker. History Construction on project no. 10521 started ...
'' (russian: 50 лет Победы, , 50 Years of Victory). Initially, the delivery of the third Project 22220 nuclear-powered icebreaker was scheduled for 2020, but this has since been postponed to 2022 due to problems with the delivery of the steam turbines from a domestic manufacturer. On 26 May 2020, ''Ural''s level of technical readiness was reported to be 50 %. In February 2021, there was a minor fire onboard the icebreaker. ''Ural'' left for the sea trials on 14 October 2022 and returned to the shipyard on 31 October, having reportedly finished factory sea trials in record time. The flag-raising ceremony marking ''Ural''s entry to service was held on 22 November 2022. The icebreaker left for its homeport, Murmansk, on the following day and arrived there on 30 November. On 2 December, the icebreaker departed for its first operational icebreaking mission to the Kara Sea.


Design

''Ural'' is
long overall __NOTOC__ Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, an ...
and has a maximum beam of . Designed to operate efficiently both in shallow Arctic river estuaries as well as along the Northern Sea Route, the draught of the vessel can be varied between about by taking in and discharging
ballast water Ballast is used in ships to provide moment to resist the lateral forces on the hull. Insufficiently ballasted boats tend to tip or heel excessively in high winds. Too much heel may result in the vessel capsizing. If a sailing vessel needs to voy ...
, corresponding to a displacement between . ''Ural'' has a nuclear-turbo-electric powertrain. The onboard nuclear power plant consists of two 175
RITM-200 The RITM-200 is an integrated generation 3+ pressurized water reactor developed by OKBM Afrikantov and designed to produce 55 MWe. The design is an improvement of KLT-40 reactor. It uses up to 20% enriched uranium-235 and can be refueled every 10 ...
pressurized water reactor A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being the UK, Japan and Canada). In a PWR, the primary coolant (water) i ...
s fueled by up to 20% enriched
Uranium-235 Uranium-235 (235U or U-235) is an isotope of uranium making up about 0.72% of natural uranium. Unlike the predominant isotope uranium-238, it is fissile, i.e., it can sustain a nuclear chain reaction. It is the only fissile isotope that exi ...
and two 36
turbogenerator A turbo generator is an electric generator connected to the shaft of a steam turbine or gas turbine for the generation of electric power. Large steam-powered turbo generators provide the majority of the world's electricity and are also use ...
s. The propulsion system follows the classic polar icebreaker pattern with three four-bladed propellers driven by electric motors. With a total propulsion power of , ''Ural'' is designed to be capable of breaking thick level ice at a continuous speed of at full power when operating in deep water at design draught.


Notes


References

{{Nuclear surface ships Project 22220 icebreakers 2019 ships