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£141M CTRL contract awarded


A JOINT venture of Costain, O'Rourke Civil Engineering and foundation contractor Bachy Soletanche has been awarded the £141M contract to extend London's St Pancras Station for Section 2 of the Channel Tunnel Rail Link (CTRL).

Union Railways (North)'s Contract 105 involves doubling the length of the station to accommodate 13 new platforms, six of which will be for international services.

The deck extension will be built in two phases to maintain the domestic services that terminate at St Pancras.

Phase 1 will build the eastern half of the new deck extension by November 2003. The existing railway will then be realigned into the new section of station and work on the western half will start.

But before Phase 2 work begins, a 500m long secant pile box will be be built beneath the station to house a new Thameslink station.

Work will include demolition of approach viaducts, extensive piling, service diversions, construction of a reinforced concrete frame and elevated train deck and elements of the mechanical and electrical fit-out.

The station extension building will have an aluminium and glass roof, a glass atrium entrance and glass screen facades.

Work is due to start on site in January 2002 and be completed in April 2006.

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