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30 years on from disaster, workers unveil massive dome to protect world from Chernobyl’s nuclear horror

The £1.2bn mega structure is designed to prevent further deadly radiation spewing from the site

ENGINEERS have built the world’s largest land-based moving structure to combat nuclear fallout from Chernobyl -  which suffered a catastrophic meltdown in 1986.

The mega structure was officially unveiled at the site in Ukraine today and is designed to prevent further deadly radiation spewing from the plant for at least the next century.

 The new protective shelter over the remains of the nuclear reactor Unit 4
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The new protective shelter over the remains of the nuclear reactor Unit 4Credit: EPA
 A photo of the power plant shortly after the explosion
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A photo of the power plant shortly after the explosionCredit: Getty Images
 The fun park of the deserted city of Pripyat, near the site
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The fun park of the deserted city of Pripyat, near the siteCredit: Getty Images

The massive arched dome is dubbed The New Safe Containment and cost 1.5 billion euros (around £1.2bn) to build.

It has now been moved on top of the concrete that was hastily poured over the failed nuclear reactor in the wake of the meltdown.

Now the dome is in place, work can begin on dismantling the so-called sarcophagus surrounding the reactor, built to contain the fallout from the explosion 30 years ago.

The Chernobyl disaster in the then Soviet Ukraine was the worst civil nuclear accident in history. Thousands of people were exposed, with radiation spreading through Europe.

The gargantuan structure weighs in at around 36,000 tonnes, is 108 metres high and 162 metres long.

“The New Safe Confinement is an unprecedented engineering success. It is an extremely complex structure build in a contaminated area,” said Vince Novak, the nuclear safety director from the European Bank for Reconstruction and Development.

“It’s one of the most important projects ever done. People in Ukraine and not only Ukraine — across Europe and large parts of the world — still remember the 1986 accident,” Mr Novak told Reuters.

The hi-tech covering of the disaster zone has been “eagerly awaited” and is “huge news and not only for people of Ukraine, for people of Europe, people of the world. It’s a huge technological achievement.”

 Animals are still checked for radiation within 30 miles of Chernobyl
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Animals are still checked for radiation within 30 miles of ChernobylCredit: Getty Images
 Memorial to the firefighters who died battling the disaster
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Memorial to the firefighters who died battling the disasterCredit: News Group Newspapers Ltd
To minimise risk to those involved the structure was mostly built away from the site and slid onto the area this week.

Even with the concrete sarcophagus that has encased the failed reactor, there was still the chance radiation could leak out or the concrete building would collapse.

“Now with the New Safe Confinement even if this happens, nothing will leak out in the environment. Yes, it will create a mess within the New Safe Confinement, nobody wants this to happen. And this is why part of the strategy is this early deconstruction of the most unstable part,” Mr Novak said.

THE HORROR LEGACY OF CHERNOBYL

Reactor Number 4 of the Chernobyl nuclear power plant exploded during an experimental safety check in the middle of the night on April 26, 1986. It spewed radioactive contents up to one kilometre into the sky, some falling as debris in the area while the rest was blown by the wind as far as western Europe.
Thirty rescue workers and plant staff, receiving abnormally high doses of radiation, were killed at the site either immediately or in the coming weeks.
The noxious plumes drifted to the northwest, polluting the Soviet republics of Ukraine, Belarus and Russia. The harmful clouds then reached Scandinavian countries before swinging southward and westwards, dropping contaminated rain on central Europe and the Balkans, Italy, France, Britain and Ireland.

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