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Plan to save nuclear reservoir at Winfirth from “collapse”

Dorset Echo, Richard Percival, 1 July 18 

A NEW scheme has been launched to prevent a concrete reservoir at a nuclear site with the capacity to hold a million gallons of water from collapse.

Blacknoll Hill underground reservoir is set to be decommissioned under new proposals which have been submitted to Purbeck District Council by Magnox.

The project is one of the biggest steps as part of the ongoing decommissioning of the former Winfrith nuclear power station by Magnox Ltd, who currently manages the western half of the former power station site on behalf of the Nuclear Decommissioning Authority

The Blacknoll reservoir consists of a 126ft by 96ft reinforced concrete tank sunk approximately 17ft below the surface near to the top of Blacknoll Hill with the roof of the reservoir being supported by 28 steel reinforced columns and an internal wall running along its length.

Its purpose when it was built in 1960 was as a source of softened water supply for site operations and as a source of water in the event emergency cooling was required at one of the reactor plants throughout Winfrith operations.

In a planning document by Hayrock on behalf of Magnox, said: “Structurally, the reservoir is in good condition; however, deterioration could lead to the eventual collapse of the structure if it was abandoned.”

The decommissioning will consist of a number of steps with each completed before the next step commences………


July 2, 2018 - Posted by | UK, wastes

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