D3300 Shaft Advanced Transition Works

The purpose of the ATW is to prepare D1225 for the future construction of the D3300 Shaft Retrieval & Processing Facility. Nuclear Restoration Services Limited (Dounreay) have a key requirement for the transition phase works to D1225 to undertake the `higher risk` and `radiation controlled` tasks to the existing facility that are necessary to prepare the interface with D3300 and facilitate its safe construction.