Marine/rivers case studies
Avon Bridge replacement
The bridge is situated on the River Avon Flood plain, between Bickton and Christchurch, northwest of Sopley, and is on a site designated; a special area of conservation; of special scientific interest; of nature conservation interest; a wetland of international importance; and candidate special protection area.
Interserve, one of the Environment Agency's partners in the National Contractor Framework No 2, is undertaking the flood defence works around the city of Ripon in North Yorkshire. Ripon has a long history of flooding, as it is situated at the confluence of the rivers Laver, Skell and Ure.
Greenwich Pier refurbishment
Client: Civils Works for London River Services (part of Transport for London)
Queenhithe Wharf, River Thames
Queenhithe Wharf was originally built as a present from King Alfred the Great to his brother-in-law Ethelred in 883AD. Interserve was asked by the Environment Agency to undertake works to preserve and strengthen the outer wall.
River Gaunless flood defence
The River Gaunless Flood Alleviation scheme, funded by Defra and built by Interserve, reduces the flood risk from the River Gaunless and its tributaries and protects homes and businesses in Bishop Auckland, West Auckland and South Church in County Durham.
Interserve's joint venture with Acciona constructed a 150,000-m3/day reverse osmosis desalination facility to treat brackish water abstracted from the Thames estuary.
Westminster Bridge fascias replacement
Client: Transport for London
The recognisable decorative spandrels were refurbished and incorporated into new cast iron fascias, preserving the historic face of the bridge.