A fleet of barges has been specially built to undertake a massive dredging operation of the iconic Queen Pool at Blenheim.

The dredge, which gets under way this month, is one of the largest civil engineering projects ever undertaken at the site.

Leading wet civil engineering contractor Land & Water will remove 300,000 cubic metres of silt, enough to fill Wembley Stadium, and return the ‘Capability’ Brown-designed lake to its original depth of two metres from its current shallows of 30cm.

Blenheim Estate director Roy Cox said: “The dredge is one of the most ambitious civil engineering projects undertaken here at Blenheim over the last 300 years.

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“It is vitally important to help ensure the long-term health of the lakes, surrounding waterways and parkland and the rich biodiversity that it supports as well as mitigating the risk of environmental damage due to climate change."

The six new ‘Olympic Class’ hoppers have been designed by experts at Land & Water Plant, assisted by naval architects from Keel Marine.

The 20-metre-long steel vessels can each hold up to 80 tons of material.

Material that has built up at the bottom of the lake over many years will be dug out, very carefully so as not to disturb the actual lake bed, and placed in the waiting hoppers.

Once full they will be pushed to a temporary wharf that has been constructed at the side of the lake and the silt unloaded into dumper trucks and used to create a new area of grassland on the estate.

Kevin Kirkland, managing director at Land & Waters, said: “It is great to be back at Blenheim following the restoration works at the Grand Cascade and continuing to safeguard the future, and protect the history, of this prestigious site and its landscapes.

“Land & Water are proud to be working on this project, believed to be the largest inland dredging project, we have utilised our expertise to deliver an overall solution that we truly believe is offering Blenheim and its visitors the best possible value.

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“We will be using HVO fuel throughout the project is which up to 90+% net carbon neutral which will mean we are significantly reducing the environmental impact of our works” he added.

Queen Pool is the upper lake at Blenheim and was created by ‘Capability’ Brown around 1763 as part of his extensive re-landscaping of the Park and Gardens.  The man-made lake gets its name from a 14th century fish pool that was known to be a favourite place of Queen Philippa, wife of Edward III.

Earlier this year Blenheim launched a competition to officially name each of the hoppers and the winning entries are: Clementine, Winston, Swan, Mallard, Fair Rosamund - and Reg who Likes to Dredge.

 

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This story was written by Miranda Norris, she joined the team in 2021 and covers celebrity and showbiz news across Oxfordshire as well as news from Witney.

Get in touch with her by emailing: Miranda.Norris@newsquest.co.uk

 

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