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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 & Differing Site Conditions 
Case Histories

Non-contractual manipulation (for contractor)

Type 1 or Type 2 DSC ?

Jacked Pipe Failure (for pipe manufacturer)

Top of Rock  (for contractor)

Personal Injury (for injured party)

Geotechnical Assessment-Pre-Bid (for contractor)

Micro-Tunneling; Hard/Soft & Obstructions (for contractors)

Machine Failure (for contractor)

Boulders in Tunnel Boring (for owner)

Boulders in Microtunneling (for contractor)

Plow Installation of Utilities (for contractor)

Slurry Wall Rock Socket Overrun (for contractor)

Bored Tunnel Water Inflow (for owner)

Difficult Rock Comminution (for contractor)

Sub-Standard TBM Performance (for contractor)

Bored Tunnel through Shear Zone (for contractor)

Disputes Resolution (for owner)

Project Completion Status (for Bolivian Government)

Bored Tunnel Over-break (for contractor)

Auger Sampling Problems (for contractor)

Bored Tunnel Delay (for owner)

Failure to Rely on Available Data (for owner)

Failure to Rely on Available Data (for owner)

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