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| Service: | Geological/geotechnical consultant; preliminary, tender and detailed design; construction support and geotechnical instrumentation monitoring
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| Estimated cost: | Commencement: | August 21, 1989
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Completion date: | December 30, 1992
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| Location: | Bischofshofen, Salzburg Austria |
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| Technical data: | Railway tunnel twin track, L = 320 m, Cross Section = 110 m², Excavation Sequence: Top Heading, Bench, Invert. |
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| Geology description: | Quaternary gravel, sand and silt. |
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| Bid cost: | Final cost: | $7,800,000
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