WWW.GEOTEST.CH

GEOTEST Ltd is certified according to ISO 9001:20082015/01/01

Simulation of groundwater drawdown on a construction site in Switzerland.

METHOD SHEET

GROUNDWATER MODELINGSIMUL ATION OF GROUNDWATER FLOW, MASS AND HEAT TRANSPORT FOR DESIGN, PREDICTION AND VISUALIZATION OF UNDERGROUND PROCESSES

• State of the art professional software for reliable and cost-effective solutions• Standardized or customized solutions to fit customers’ needs and requirements

WWW.GEOTEST.CH

Other software could be applied on request. GEOTEST Ltd has experien-ce and know-how in developing customized solutions to answer specific client’s needs.

GROUNDWATER MODELING

FIELDS OF APPLICATION

- Hydrogeology, tunneling and drinking water protection- Engineering geology and geotechnics- Geothermal energy (borehole heat exchanger, ground-

water heat pump installation, reservoir modeling)- Environment and contaminated sites- Natural hazards and risks- Resources and mining

WORKFLOW

- Data collection, compilation and assessment- 3D geological modeling- Groundwater conceptual model- Numerical modeling - Model calibration and uncertainty analysis, incl. PEST

and Pilot Points- Export / Import with standard industry software (CAD,

GIS, Web-GIS,…)

GROUNDWATER MANAGEMENT

- Prediction of groundwater levels and water availability- Design of groundwater management and planning scheme- Delineation of groundwater protection areas- Surface water/groundwater interaction- Definition of short-term and long-term scenarios- Uncertainty analysis

NATUR AL HA ZARD

- Simulation of groundwater levels- Delineation of flooding areas- Risk assessment

ENVIRONMENT AND CONTAMINATED SITES

- Simulation of short-term to long-term behavior- Planning and assessment of remediation installations- Delineation of contaminant plume in groundwater- Impact of further construction activities

GEOTHERMAL APPLICATIONS

- Design of groundwater heat pump installations- Design of borehole heat exchangers- Assessment of potential conflict with other users- Simulation of deep geothermal reservoirs- Support for authorization process

CONSTRUCTION SITE / GEOTECHNICAL FIELD

- Design of dewatering, infiltration and drainage scheme- Quantification of groundwater inflow into excavation

pits or tunnels- Measures for minimizing the environmental impact

APPLIED SOF T WARE

- FEFLOW, MODFLOW: groundwater and thermal modeling- PEST: Parameter Estimator, incl. Pilot Points method- MOVE, LEAPFROG: 3D geological modeling- PLAXIS: geotechnical modeling

Risk of flooding due to groundwater level rise in the canton of Nidwalden (CH).

Simulation of a contaminant plume and impact on the neighboring ground-water heat pump installation.