HS2 viaduct designs unveiled

HS2 viaduct designs
Edgcote viaduct

HS2 viaduct designs for Edgcote and Lower Thorpe have been revealed, as the high speed rail project began a four week online engagement event for communities in Northamptonshire.

The designs have been drawn up by HS2’s main works contractor EKFB, made up of Eiffage, Kier, Ferrovial and Bam Nuttall, working with design partners Arcadis and architects Moxon.

The Edgcote viaduct will be 515m-long and will carry the railway across the floodplain of the River Cherwell, south of Chipping Warden. At between six and eight meters high, the viaduct will be supported by 20 pairs of concrete piers and from a distance, will be largely hidden by existing hedgerows and woodland.

The viaduct passes close to the site of the medieval Battle of Edgcote. Fought on 26th July 1469, during the Wars of the Roses, the battle is thought to have taken place on the nearby Danesmoor. Initial archaeological investigation along the route of the viaduct has not found any evidence of the battle and further investigation will be completed before construction begins.

Two major new wildlife sites will also be created where the viaduct crosses the floodplain, with new and enhanced fen, marshland and meadow alongside new woodland planting. The schemes, which total 7.6 ha, will create valuable new habitats for insects, bats, newts and other amphibians.

Lower Thorpe viaduct

The Lower Thorpe viaduct will be 210m-long and will be set low into the landscape as the Edgcote viaduct. Seven weathered steel spans will carry the railway across Banbury Lane south of the village of Thorpe Mandeville. The use of weathered steel, which naturally ages to a dark russet brown colour, is designed to help echo the tones of the surrounding countryside and reduce the visual impact of the structure.

Three more new wildlife sites totalling 9.5 ha will be created near Thorpe Mandeville, including a major project to enhance and restore a small lake with new wetland meadow and habitat for birds, butterflies and small mammals.

The proposal on the HS2 viaduct designs includes over 17 hectares of new wildlife sites for birds, bats and newts, including marshland and meadow. The viaducts are set to be largely hidden by existing hedgerows and woodland.

 

 


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