The design for the above-ground part of the HS2 tunnel ventilation shaft in South Kilburn has been shown off for consultation.
The vent shaft headhouse and compound will be one of four structures that will be built to provide ventilation and emergency access to the 4.5mile long railway tunnel running between Euston and Old Oak Common. The four headhouses are at Canterbury Works and Adelaide Road — for ventilation and intervention — while three headhouses in Camden are for firefighting and access only.
Situated behind Canterbury Road and Canterbury Terrace, the structure will be visible from the existing network rail lines and local properties. A variety of materials are being used in the design, with dark grey engineering brick, and grey softwood timber making up much of the structure. The structure will be surrounded by planting, with a mixture of tree and shrub species creating an enhanced bio-diverse habitat for wildlife. The building roof will be covered with a ‘green roof’ containing a range of biodiverse planting to improve sustainability.
Below ground level, a 40 metre-deep ventilation shaft will reach down to the twin tunnels below, with fans and other equipment above ground designed to regulate air quality and temperature, remove smoke in the event of a fire and provide access for the emergency services.
The designs have been published as part of an ongoing engagement with the local community – and a consultation is here.
There are also plans for a “pocket park” area beside St Mary’s Catholic Primary school, which are being worked on with the school.