New Cross Gate Depot – East London Line

Southdowns was commissioned by TfL (London Overground) to undertake an independent verification of the newly operational East London Line traincare facility at New Cross Gate depot with a view to assessing compliance against historical planning conditions imposed through the TWA process. Southdowns was selected due to its expertise in railway noise and vibration, its familiarity […]
East London Line Extension

Appointed by both the London Boroughs of Lewisham and Hackney as independent advisers, Southdowns role was to undertake an independent review of the main design and build contractor’s technical work for the development of noise and vibration mitigation measures. Southdowns undertook detailed reviews of the noise and vibration modelling for the new sections of railway […]
Thameslink – London Bridge Station Redevelopment

Southdowns was commissioned by Costain as Environmental Monitoring Specialists to undertake noise, vibration, dust and air quality monitoring for the London Bridge Station Redevelopment, with partial demolition and reconfiguration of the station and platforms, during 24/7 working. Southdowns was selected due to its expertise and experience in monitoring and assessment across acoustic and air quality […]
Allerton Waste Recovery Park, North Yorkshire

The noise assessment was prepared to accompany an EPR Application for the proposed operation of the waste facility. The waste facility will adopt state of the art technology which will include a mechanical treatment plant for the extraction of recyclable materials found in household waste, an anaerobic digester to generate energy from biodegradable waste and […]
Lewisham Road Traffic Noise Mapping

As part of the implementation of the Environment Noise Directive (END) in England, which aims to define a common approach to avoid, prevent or reduce the harmful effects due to exposure to environmental noise, noise mapping was completed by DEFRA for major roads, railways and agglomerates, with an aim to inform subsequent Noise Action Plans. […]
Dublin Port Tunnel

Southdowns acted as expert witnesses on behalf of the Dublin Port Tunnel project’s Employer (Irish National Roads Authority and Dublin City Council). Significant groundborne noise and vibration issues had arisen as a result of tunnel boring through hard rock lying beneath residential communities resulting in withdrawal of the 24 hr working for tunnel construction. The […]
Cambridge Junction, Hitchin

The ‘Hitchin Curve’ forms part of Network Rail’s strategic development programme to relieve network congestion at a notorious bottleneck on the East Coast Main Line. The new flyover will be a combination of concrete viaduct sections and filled embankment, and is to be constructed on greenfield land to the north of Hitchin. The Network Rail […]
Westminster City Council Rail Schemes Advice

Working through a large multi-disciplinary consulting engineering organisation, Southdowns provided expert independent specialist advice to the Council’s Officers on a number of different projects. Paddington Long Term Vehicular Access Bridge The LTVA project involved the replacement of a major bowstring road bridge which crosses a number of railway lines and a canal close to Paddington […]
Crossrail – Parliamentary Select Committee

Southdowns provided technical services to the London Local Planning Authorities for nearly three years on a number of generic (routewide) and local noise and vibration issues. The publication of the House of Lords Special Report marked a milestone in the development of the Crossrail project, and drew to a close Southdowns’ involvement on behalf of […]
Channel Tunnel Rail Link – Rail Link Engineering

Southdowns staff began working with RLE in 1997 at the early stage of detailed design. Part of a multi-disciplinary environmental team, the in-house noise and vibration team had a wide range of activities and responsibilities including: Reviewing and advising engineers on the Project’s noise and vibration commitments. Advising design teams and project engineers on specific […]