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Channel Tunnel Rail Link, Contract 330: Galley Hill Tunnels
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| Service: | Preliminary Design of NATM Alternatives for road under crossing and Barrel Vault Tunnel Alternative for Railway Line under crossing.
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| Estimated cost: | Commencement: | June 29, 1997
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Completion date: | October 21, 2003
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| Location: | Kent |
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| Technical data: | 3 x twin track railway tunnels. Approximately 12m span. Oblique to 35m wide chalk spine. 1 x 7m span access tunnel, 35m long. |
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| Geology description: | Weak Rock Upper Chalk and Chalk/Clay fill embankment. |
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