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Record concrete pour at Hinkley Point C

Record continuous concrete pour at Hinkley Point C

Hanson play their part in new UK continuous concrete pour record at new nuclear power station

HANSON have helped set a new UK record for the largest continuous concrete pour at EDF Energy’s new Hinkley Point C (HPC) nuclear power station, in Somerset, having supplied the raw materials for the concrete to main civils contractor BYLOR, operators of the on-site concrete production plant.

The 9,000 cubic metre, five-day pour was required to construct the last of five reinforced concrete segments that make up the cross-shaped foundations upon which all of the first nuclear reactor’s buildings will sit. The record-breaking pour beat the previous UK record set by the Shard in London.

The completion of the foundation platform, which is up to 4m thick, represents a significant milestone for the project, marking the transition from below-ground activity to the construction of permanent reactor buildings above ground.

Stewart Cameron, head of nuclear operations at Hanson UK, said: ‘Every batch of concrete must be exactly the same and must comply with the stringent quality standards laid down by the Office for Nuclear Regulation.

‘Trials of the mix design for HPC took three years of development and testing to ensure concrete of the required quality can be produced consistently right first time, every time.

‘We have 65 employees directly involved in the HPC project team but, across the UK, we have some 750 enlisted on to our nuclear safety culture education programme, which everyone who is involved in the project in any way must complete.’

Hanson are also supplying construction materials to other aspects of the HPC project. To date this includes: 51,000 cubic metres of concrete; 2.5 million tonnes of aggregates; 210,000 tonnes of marine sand; 65,000 tonnes of cement; 105,000 tonnes of Regen GGBS and 125,000 tonnes of asphalt.

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