
HS2 Colne Valley Viaduct – Noise Barriers
Southdowns was appointed by AlignD JV (Jacobs, Ingerop, Rendel) to provide specialist support to the

HS2 Chiltern Tunnels – Groundborne Noise and Vibration
Southdowns is the lead consultant appointed by the Align JV (Bouygues Travaux Public, Sir Robert

Singapore Cross Island Line – Vibration Effects on Ecological Receptors
Southdowns was commissioned to undertake vibration modelling of tunnelling activities associated with the construction of

Crossrail – C610 Systemwide Track and Fit-out
Southdowns was the lead noise and vibration specialist for the design and build contractor (Alstom

Mina Al-Ahmadi Refinery – Kuwait
Southdowns was commissioned by the Kuwait National Petroleum Company (KNPC) in 2017 to undertake a

Crossrail C510 – Whitechapel and Liverpool Street Station Platform Tunnels
This project is the 2018 Association of Noise Consultants (ANC) Award Winner in the Environmental

New Cross Gate Depot – East London Line
Southdowns was commissioned by TfL (London Overground) to undertake an independent verification of the newly

The Icon, Lytton Way, Stevenage
Southdowns was commissioned by Hill Residential Ltd to produce an air quality assessment for a

Queen Alexandra Hospital, Portsmouth
Southdowns was commissioned by AMS Limited to undertake detailed air dispersion modelling for the assessment

St. Helier Hospital, London Borough of Sutton
Southdowns was commissioned by Breathe Energy Limited to prepare an air quality assessment of the

East London Line Extension
Appointed by both the London Boroughs of Lewisham and Hackney as independent advisers, Southdowns role

Bond Street Station Upgrade – London Underground
In 2010, Costain/Laing O’Rourke (CoLOR) appointed Southdowns as the noise and vibration specialists for the
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