Second part of Chernobyl arch lifted via World Nuclear News

The second half of the Chernobyl arch has been raised in a landmark event for the long term management of the accident site.

Designed to protect the remains of Chernobyl 4, which was destroyed in an accident in 1986, the New Safe Confinement will consist of an enormous arch some 257m across and 108m high. It is being made in two large sections, the second of which has been hoisted from the ground for the first time.


Once this second stage is completed, the entire structure – weighing some 31,000 tonnes – will be pushed over unit 4 and part of its turbine hall using hydraulic jacks. This sliding operation – expected to take three days – is scheduled before the end of 2015. End walls will then be built to strengthen and seal the New Safe Confinement, creating a means of confining dust and debris from the dismantlement of unit 4 while protecting it from harsh weather.

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