Giant arch will contain radiation
UKRAINE: In the middle of a vast exclusion zone in northern Ukraine, the world’s largest land-based moving structure has been slid over the Chernobyl nuclear disaster site to prevent deadly radiation spewing from the stricken reactor for the next 100 years.
On April 26, 1986, a botched test at the Soviet nuclear plant sent clouds of smouldering nuclear material across large swathes of Europe, forced over 50,000 people to be evacuated, and poisoned unknown numbers of workers involved in its cleanup.
A concrete sarcophagus was hastily built over the site of the stricken reactor to contain the worst of the radiation, but a more permanent solution had been in the works since 2001.
Easily visible from several kilometres away, the 36,000-tonne ‘‘New Safe Confinement’’ arch has been slowly pulled over the site over the past four days to create a casement to block radiation and allow the remains of the destroyed Reactor No 4 to be dismantled safely.
A ceremony was held at Chernobyl yesterday to mark the major milestone in the decades of work to secure the site, which has been funded by donations amounting to over €2 billion from over 40 countries and organisations.
‘‘Let the whole world see today what Ukraine and the world can do when they unite, how we are able to protect the world from nuclear contamination and nuclear threats,’’ Ukrainian President Petro Poroshenko said.
The structure, which resembles a vast aircraft hangar, has been designed to withstand extreme temperatures, corrosion and tornadoes.
The European Bank for Reconstruction and Development, which has managed the funding for the cleanup, said the programme to transform Chernobyl into an environmentally safe and secure condition by November 2017 was on track.
Even with the new arch, the surrounding zone, which at 2600 square km is roughly the size of Luxembourg, will remain largely uninhabitable and closed to unsanctioned visitors. – Reuters