The last details of the floating technical base "Lepse", which for many years stored spent nuclear fuel from the first nuclear icebreakers, have been disposed of in the Murmansk region.
The environmental task was solved by specialists from the State Corporation "Rosatom" with its more than twenty years of experience in the disposal of decommissioned nuclear submarines and support vessels.
It took more than ten years to reduce the number of dangerous objects in the Arctic by one. The difficulty was that 639 fuel assemblies of spent nuclear fuel had to be unloaded and removed from the region from the PTB "Lepse". Some of them were damaged. But "Lepse" held the contents dangerous to others inside itself, and did not allow it to spread.
In order to prevent an environmental disaster, the base was placed in a designed and built ground-based shelter area. And for unloading fuel assemblies, a separate technology was invented, and separate tools were developed. Dangerous work was performed by a robotic remotely controlled complex.
The contents of "Lepse" are some of the last spent nuclear fuel waste to be removed from the Murmansk region. By 2028, this region will be completely free of them.
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