Hybrid seismic survey for a planned hydroelectric gallery at Schwarzenberg, Switzerland (2014)
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- Be aware of all hazards related to geologically unstable areas before you start drilling your tunnel!
- Slash the number of boreholes by drilling at meaningful locations only!
- Detection of faults and decompaction zones
- Assessment of mechanical rock properties
- Recognition of karstified zones
- Delineation of the bedrock surface
- Area-wide investigation
- Environmentally friendly – no or negligible field and crop damage
- Applicable also in urban areas
- Fast field data acquisition, daily progress 1 – 2 km
- Readily available evaluation results within 2 – 3 days