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How much does a tunnel boring machine cost? | Tunnels - Quora. The simplest is a hard rock tunnel, where possibly there is no need to line the tunnel.

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PDF Technical Memorandum #2 - BORE AND JACK COST - serving you 24/7. baseline cost Hard Rock Areas Northeastern part of service area ... holes 24 to 48-inches will cost $180,000; and bore holes 48 to 72-inches will cost $260,000.

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baseline cost Hard Rock Areas Northeastern ... Bore and jack equipment for 60-inch diameters and larger is ... and bore holes 48 to 72-inches will cost $ ...

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Appendix D TBM Tunnel Assumptions and Cost Estimating ... Rock Type Tunnel Drive Tunnel Length Drive ... Appendix E TBM Tunnel Assumptions and Cost Estimating ...

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Analysing International Tunnel ... Geology can range from soft sands and gravel to extremely hard rock and often ... that contribute to the overall cost of tunnel

Analysing International Tunnel Costs

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