A £40m contract for the manufacture of big concrete boxes is being advertised by Magnox Ltd.
Between five and eight concrete firms are expected to share in workload to produce approximately 1,250 concrete boxes over a 12-year period.
The containment boxes are to be six cubic metres (2.4m x 2.2m x 2.2m high) with a nominal wall thickness of 240mm. The contract notice in the EU Official Journal states that the density of the standard box is 2,330 kg/m3 and the higher density box is 3,750 kg/m3.
The boxes are to be supplied by various organisations in the nuclear sector, including Magnox, Dounreay Site Restoration Ltd (DSRL) and the Culham Centre for Fusion Energy.
This article was published on 27 Apr 2016 (last updated on 27 Apr 2016).