Graham Construction has completed a ‘mega’ concrete pour to create a new storey at a new radioactive waste store at Dounreay in the Highlands of Scotland.
Work on the facility restarted after the first covid-19 lockdown in June this year, with a 60-strong team working in a covid-secure manner to pour 1,500 tonnes of concrete.
Last week, Graham undertook the biggest concrete pour of the project so far, working for nine hours to lay the floor slab in the crane maintenance bay (CMB) on the first floor of the building. A total of 27 lorries delivered 425 tonnes of concrete. An overnight shift completed the job in the early hours of the morning.
Dounreay Project Manager Dave Busby said that casting the CMB floor slab was a significant construction milestone as it will allow the team to install the 170-tonne CMB shield door early next year.
Work to build the new intermediate level waste store started in 2018 and is expected to take around three years to complete. It will hold drums of waste in safe long-term storage, in accordance with Scottish government policy.
Dounreay is Scotland’s largest nuclear decommissioning project and is one of Europe’s most complex nuclear closure programmes.
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Storing waste above ground will create amajor hazard, here in Ontario it wiil be all stored underground When the powers that be make up their minds as to where.