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Bluewater Quarry Haulage Tunnels
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| Service: | Detailed design and construction supervision
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| Estimated cost: | Commencement: | October 24, 1995
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Completion date: | November 29, 1995
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| Location: | Nr. Dartford Kent |
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| Technical data: | Twin tunnels, 26 ft (8 m) span, length: 246 ft (75 m); 8 inch (200 mm) reinforced single pass shotcrete lining, 10 year design life. |
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| Geology description: | Head deposits overlying upper Chalk. Grades III/II at tunnel elevation. |
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| Bid cost: | Final cost: | $500,000
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