'Mega' concrete pour as Dounreay waste store project reaches new level By Alan Hendry Published: 14:42, 30 December 2020 Get the Courier and Groat sent to your inbox every week and swipe through an exact replica of the day's newspaper Casting the crane maintenance bay floor slab was described as a significant construction milestone for the project. Work on Dounreayâs newest radioactive waste store has reached a new level with the completion of what has been described as a "mega" concrete pour. The construction project was one of the first at the site to restart in June following the easing of lockdown restrictions. A 60-strong team had to learn Covid-compliant ways of working, sometimes in close proximity with each other, to keep themselves and their colleagues safe.