HYDROGEOLOGY
GeoBM Sagl offers hydrogeology expertise on a diverse range of project themes including:
Groundwater monitoring
Geothermal probes
Underground disposal of treated and untreated sewage water
Environmental impact studies (EIS)
Aquifer testing and analyses
Dewatering design for large excavations and construction sites assisted and supported by 3D numerical modelling
Design of infiltration and rainwater retention structures, often in support of integrated stormwater management plans (ISMPs)
Analysis and modelling of seepage in earth dams for dam safety assessments
Analysis and modelling of seepage for slope stabilization
Installation of automatic continuous measurement and alarm systems
Monitoring of water levels, in situ measurements (T °, EC, pH, Turbidity, nitrates, etc) and leveling
Groundwater protection (zone S, Zu, mapping of vulnerability and pollution risks)
Realization of tracing tests, tracer analyzes by spectrofluorimetry and interpretation of the results
Sampling and monitoring of groundwater and surface water quality
Prospecting and implantation of groundwater abstractions (drinking water, mineral water, industries, irrigation), with geophysical analyses of RMT or VES vertical soundings
NUMERICAL MODELING / GIS
GeoBM Sagl has over 20 years of experience in groundwater modeling and GIS, and offers the following Groundwater Flow Modeling services:
Aquifer Storage and Recovery Studies.
Managed Aquifer Recharge Studies.
Simulation of de-watering and flooding of excavations, mine pits, and underground workings and tunnels.
Tailings Impoundments.
Heap Leaching operations.
Support Environmental Impact Statements.
Evaluate of effect of engineering designs on groundwater conditions.
Evaluate water-supply issues.
Coherent (sensible) representation of site conditions.
Coupled surface-water / groundwater interaction.
Climate change.
Fractured rock, Karstic and volcanic terrains.
Geothermal systems, open-loop and borehole heat exchanger modeling.
Preferred Software: FEFLOW 8, Groundwater Vistas, SEEP/W, GED.
GEOLOGY
GeoBM Sagl offers geological expertise on a diverse range of project themes including:
Geological mapping and reconnaissance
Pedological studies
Geological surveys for excavations, galleries, subsurface investigations with cored and destructive drilling
Exploitation of subsoil resources: water, gravel pits, geothermal energy
Slopes stability analysis and design in soil and rock environments
Hazard assessment and mitigation
Rockfall investigation, control and mitigation
Landslide investigations and mitigation
GEOTECHNICS
GeoBM Sagl provides geotechnical engineering services to a wide range of civil individual, municipal and industrial projects, construction, excavation, earthmoving works, and many more. The scope of assignments varies from very detailed locally adapted to wider regional range studies, design and construction of remedial measures to mitigate site specific hazards.
Typical geotechnical projects completed by GeoBM Sagl include:
River engineering problems
Rock anchoring
Foundation and bearing capacity studies
Retaining walls, nailed walls and piles
Pathology and construction defect
Washouts, debris flows and debris torrents
Erosion control and reclamation
Landfill design
Cut block assessments
Vibration monitoring (Vibras)
GEOTHERMICS
GeoBM Sagl is experienced in low-enthalpy geothermal (groundwater-sourced) heat pump system based on open-loop groundwater supply and borehole heat exchanger design and implementation projects.
GeoBM Sagl offers the following specialist geothermal services:
Feasibility Studies – assessing whether a geothermal system is a realistic option at your site, and also in particular geological zones (landslides, polluted site, proximity of sources or catchments, risk of gas leaks, etc)
Assessments for open-loop ground-source heat exchange systems
Geothermal system design based on open-loop groundwater supply
Closed-loop system design for horizontal trenches, pond loops and vertical boreholes (borehole heat exchanger)
Assistance and support for geothermal drilling permit applications.
Geological and hydrogeological supervision during the drilling and the installation of vertical borehole heat exchanger (SGV).
3D Numerical modelling for open-loop groundwater supply and borehole heat exchanger for design support.
Geological and monitoring reporting according to Cantonal requirements (VD, FR, VS, NE, GR, TI and GE).
Yield testing of existing boreholes for geothermal heating potential.
Adaptation of existing waterwells for geothermal heating.
ENVIRONMENT
Our office will be able to advise and guide you in the remediation of your polluted sites and for the management of groundwater pollution and preparation of environmental impact reports (EIA).
Our other services are:
Preliminary and detailed investigations with respect to regulatory regime for contaminated sites in Switzerland OSites (Historical and Technical Investigations)
Establishment of monitoring programs for polluted sites (sampling and drilling analysis with the implementation of remote monitoring and control instrumentation)
Sampling of polluted materials with respect to regulatory regime for sampling of contaminated sites in Switzerland OTD
Monitoring of excavations and management of contaminated materials
Disposal concept including choice and monitoring of the disposal channels of contaminated materials
Contaminated landfills management
NATURAL RESOURCES MANAGEMENT
GeoBM Sagl has 20 years of international experience in natural resource (forest, agriculture, soil, water etc.) management projects including:
Natural resource inventory and monitoring
Multifunctional participatory gender-balanced natural resource use and management
Ecosystem Services and Non-timber Forest Products
High conservation value areas/forests management
Natural resource (forest management and organic farming) international certification
Forest water supply and regulatory capacity analysis
Forest soil inventory and analysis
Natural hazards and soil erosion
Forestry road rehabilitation
Training program and study tour organization
