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CTRL completes west deck of Medway Bridge

CHANNEL TUNNEL Rail Link (CTRL) engineers this week removed the Medway Bridge's launching nose, signalling completion of the bridge's western deck.

The 37m, 72t nose helped to support the deck during the castpush operation. The deck was pushed out in 1,000t sections each 40m long, using 800t hydraulic jacks.

The western deck forms one of the approaches to the balanced cantilever central span for the 1.3km viaduct that will eventually carry 300km/hr trains between Folkestone and London.

It is part of Section 1 of the CTRL, which runs from Folkestone to Fawkham Junction and is now over 54% complete.

The eastern approach is still being completed, with 10 of its 13 sections launched to date.

Casting of the bridge's central cantilever span is continuing.

Meanwhile, procurement of the second section of the CTRL between north Kent and London is still under way.

Last week six bidders were shortlisted for Contract 310 on the CTRL (Section 2), to build the overground line between the tunnel portal at Ripple Lane in Dagenham to the Thames Tunnel approach at Thurrock.

The line will include viaducts at Rainham, Aveley and Thurrock to cross the Rainham Marshes in Kent.

Tenderers are: Balfour Beatty, Eurolink (Miller/Dumez GTM/ Beton & Monierbau), Hochtief UK/Norwest Holst JV, NECSO Entrecanales Cubiertas/Galliford JV, Tracklink (Mowlem/ Bouygues SA/Besix ) and Alfred McAlpine/Amec JV.

Two groups were also short listed for Contract 103 which covers construction of track and links to the East and West Coast Main Lines outside St Pancras.

Shortlisted are Kier Nuttall and Hochtief/Norwest Holst.

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