It seems all may not be going as planned with regards to preparing the UK for an exit from Euratom. Sky News claims to have seen leaked documents which suggest that several key requirements for the UK to take over safeguarding are at high risk of being missed, including the set-up of a new IT system, recruitment and training of inspectors, the handover of equipment from EURATOM, and funding.
See the original story from Sky News here: https://news.sky.com/story/red-warnings-for-uks-post-brexit-nuclear-safeguards-11374097