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| Service: | NATM design and instrumentation
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| Estimated cost: | Commencement: | August 30, 1982
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Completion date: | December 30, 1985
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| Location: | Frankfurt/Main Germany |
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| Technical data: | Mined railway tunnel, twin track, L = 950 m, full section: 140m² approx. Construction method: NATM top heading, bench and invert. |
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| Geology description: | Bunter sandstone: claystone/sandstone. |
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| Bid cost: | Final cost: | $12,500,000
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