The project is organised in yearly successive project phases. Each phase has been contracted and executed separately. Nagra concludes each phase with a progress report in which the on-site activities and results of the laboratory tests are summarised.
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Project phase
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Tasks
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I
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2007/2008
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Geological mapping and site selection
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Drilling of four boreholes and installation of hydraulic monitoring systems
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Geologic and structural characterisation, preliminary structural model
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Thin section analysis of core samples for mineralogical characterisation
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Hydrogeologic characterisation of fractures with monopole hydraulic testing
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II
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2008/2009
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Drilling of one borehole and installation of hydraulic monitoring systems
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Hydrogeologic and structural characterisation and update of the structural model
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Analysis of groundwater chemistry
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Support of CRIEPI’s demonstration experiments
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III
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2009/2010
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Drilling of two boreholes and installation of hydraulic monitoring systems
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Hydrogeologic and structural characterisation and update of the structural model
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Support of CRIEPI’s demonstration experiments and characterisation of target fracture zone I
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IV
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2010/2011
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Support of CRIEPI’s demonstration experiments and characterisation of target fracture zone II
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V
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2011/2012
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Excavation of stabilised target fracture
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Laboratory analysis of fracture aperture
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CRIEPI’s Fractured Rock Studies - C-FRS
