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Grimshaw reveals landmark HS2 vent shaft structure

By 2020-08-21T06:00:00

02_Amersham Vent Shaft_Roundabout Approach © Grimshaw Align

Source: HS2 Ltd/Grimshaw

Spiral design in sharp contrast to architect’s other vents for Chiltern tunnel

Grimshaw has revealed the design for HS2’s Amersham vent shaft headhouse in Buckinghamshire. 

It is the most eye-catching of the five structures that will be built to provide ventilation and emergency access to the high-speed rail line’s 10 mile-long Chiltern tunnel.

Set in the middle of a road junction just on the western edge of the town, the circular single-storey head house is crowned with anodised aluminium finsintended to soften the view from a distance.

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