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GeoConSol
Geotechnical & Tunnel Consultants

A consultant is a universal observer who can look at a problem outside the environment in which the problem came to be, thereby creating a solution that was never possible before.  Fernando Flores

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EXPERT / FORENSIC SERVICES
DIFFERING SITE CONDITIONS
-->DSC Technical Principles
-->DSC Standards for Entitlement
-->DSC Independent Review
-->DSC Case Histories
-->Case History of a Bogus Expert
GEOTECHNICAL / CONSTRUCTION
-->Rock Testing/Boreability
-->Impact Hammer Feasibility
ARTICLES / PUBLICATIONS
TUNNELS / TUNNELING
-->Tunnel Boring
-->Excavation Improvement
-->Microtunneling/Pipe-Jacking
-->Selection of TBMs & MTBMs
-->Forensic Investigations
-->Safety
-->Detection of Covert Tunnels
CLIENTS
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Peter J. Tarkoy

Tunnel Boring 

  • Tunnel Boring Machine feasibility & boreability

  • Minimum TBM requirements for reduced risk & cost 

  • Rock testing for tunnel boreability

  • Estimating 

    • TBM penetration

    • downtime

    • utilization 

    • tool wear & costs

    • rental rates

  • Evaluation of new & used TBMs & backup systems

  • Analysis of encountered tunnel boring machine performance 

  • Recommendations for improved TBM excavation performance

  • Alternative TBM rental rates for recovery & DSC claims

  • Presentation & evaluation of differing site conditions / claims

  • Investigation of machine failures, causes, and liabilities

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