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 […]
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 […]
Lidsey Landfill Site, West Sussex
Following refusal of the County Council to permit the extension of a site in West Sussex, Southdowns was commissioned to provide an expert witness to advise on environmental noise issues and to present evidence at public inquiry. An assessment of potential construction and operational noise impacts was undertaken in accordance with the principles of Annex […]
Bexhill to Hastings link road
East Sussex County Council proposals for a new link road between Bexhill and Hastings have been the subject of comprehensive environmental studies, including detailed noise and vibration impact assessment. Southdowns was appointed in 2006 to provide specialist expertise and support on noise and vibration with detailed studies of existing and forecast noise levels. Detailed baseline […]
Newhaven Energy Recovery Facility
Southdowns undertook various noise and vibration impact studies to support the environmental impact assessment and planning application for a 200,000 tonne p.a. energy recovery facility; work included comprehensive baseline noise studies and seasonal noise monitoring and statistical analysis; measurement of operational noise levels at an existing ERF in Portsmouth; detailed modelling and mapping of operational […]
Bracknell Town Centre Masterplan
Southdowns was instructed on behalf of Bracknell Forest Borough Council to undertake a noise impact assessment of proposals for the redevelopment of Bracknell Town Centre. This major re-development proposal comprised the transformation and expansion of existing shopping facilities; demolition and replacement of buildings; new integrated retail outlets; 950 no. new residential dwellings; new business space, […]
Former Trico Site, Dunstable
Proposals for housing-led mixed development on the site of former industrial premises in Dunstable town centre were rejected by the local planning authority on the grounds of its preferred use for industrial purposes and employment. An environmental noise assessment of the Development Brief prepared by the District Council for its preferred use of the site […]