trüb & klar AG, Lucerne

Advisory & fundamentals

Advisory in water-related matters and collection of fundamentals such as watercourse structures, substrate composition, watercourse geometry, terrain elevations, structures, water levels, flood marks, and bedload and floating-timber loads.

Studies & concepts

Development of condition analyses, measures concepts, morphology and hydrology studies, as well as feasibility and alternative studies for revitalisations, stream re-openings, longitudinal connectivity and rehabilitation concepts.

Event analysis & hazard assessment

Mapping and documentation of damage, inundation areas and deposits, reconstruction of flood discharges, and assessment of flood, surface runoff and debris-flow hazards using hazard maps and object protection reports.

Planning & execution

Preliminary and construction projects, approval (public submission) projects, tendering, detailed execution projects, as well as site management and technical construction supervision for revitalisation, flood protection and maintenance projects in river and water engineering.

Modelling & dimensioning

Numerical model calculations of flow conditions and bedload transport to assess watercourse development, and hydraulic dimensioning of riverbeds, banks, protective structures, bridges, culverts and water intakes.

Monitoring & control

Monitoring of watercourses and success checks of revitalisation measures to assess bed level, bedload sediment regime, watercourse structures, channel shape, bed material composition and the condition of protective structures.

Morphology

Development of morphological fundamentals and assessment of changes in watercourse shape, watercourse width, as well as bed and bank structures, including analysis of historical watercourse maps.

Water

Hydrological and hydraulic fundamentals for low to high flow discharges, including calculation and assessment of water levels, flow velocities and wave action on lakes.

Solids

Determination of bedload, suspended solids and floating-timber loads, assessment of the bedload sediment regime, transport capacities and the stability of the watercourse bed.

Renaturalisation

Planning of revitalisations of rivers and lake shores, as well as measures to restore a natural flow regime and bedload sediment regime.

Natural hazards

Hazard maps, object protection reports and dimensioning of protective measures against flooding, surface runoff and debris flows.

Maintenance

Mapping of existing protective structures, planning and execution of maintenance measures, deconstruction of protective structures no longer required, and close-to-nature long-term rehabilitations.

trüb & klar AG

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trüb & klar AG

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