Chances and Risks Consulting

With our special know-how and experience in the field of geotechnical engineering and tunnel excavation we are your partner in determining the specific chances and risks of your project.

Our core competences are geotechinal aspects of rock excavation (drilling, blasting, boring and cutting of rock and soil), slope and landslide remediation as well as tunnelling according to the principles of the New Austrian Tunnelling Method (NATM).


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Dr. Plinninger was in 2009 publicly certified as expert in the field of "performance and wear in hardrock excavation".

We provide specialist consultancy in the tendering phase of any ground engineering or tunnelling project - for example by evaluating the given geotechnical parameters and interpretating them with regard to the most efficient tool and machinery concept.

Here, we also provide estimations on tool wear consumption (drill bits, picks, TBM cutters) and drilling/cutting/boring performance and give suggestions on the working and documentation concept.

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During construction we may assist you in the competent documentation of relevant geological, geotechnical and technical circumstances, for example on geology, tool wear, excavation performance or rock support measures.

With this data we provide an objective baseline for successfull discussions on rock support & stability, excavation performance, tool wear and related topics.

If necessary we may even assist your local project team in operational aspects.

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In the post-construction phase of your project we may assist you in the field of claim management. We provide objective comparisons of predicted vs. encountered geotechnical circumstances and give you the necessary geotechnical input for a successfull discussion of geotechnically related claim situations.

When the objectives make it necessary, we also may work in close cooperation with competent engineering and logistical consultants as for instance Warning I Bauconsult, Munich/Germany.

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