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An increased desire to specify trenchless construction methods to minimize public and utility impacts along with more contractor capability and competition have resulted in more use of microtunneling for new sewer construction. In some localities with favorable ground and site conditions, microtunnel construction has become fairly routine with few significant problems and claims. However in many ground conditions, a routine approach to subsurface investigation and preparation of a geotechnical report and specifications can result in significant risks and costly consequences. Owners and consultants can significantly reduce the risks and consequences of problems on microtunnel projects by following a more careful, focused subsurface risk management approach.

Document Type: Research Article


Publication date: January 1, 2004

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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