Références

« Working together and joining our resources, we can accomplish great things. »

Ronald Reagan, American actor and president

River Dranse de Bagnes

Key-words:

River engineering, Flood protection, Sediment management, Restoration
Natural hazards and risks, Alarm planning

Date:

2011-2016

Client:

Communities of Sembrancher and Vollèges

Partners:

CERT ingénierie sa (project management), Droséra SA, Tissières SA et Jean-Louis Boillat

Achievements:

Project and detailed project
Restorations- und Flood protection measures.
Hydraulic computation with and without sediments transport. Design of a widening, groins, deflectors, bank protection and structures for gravel plants.
Design of levees and bridges.
Alarm planning before, during and after construction of the mitigation and restoration measures.

Restoration planning

Key-words:

River engineering, Sediment management, Restoration

Date:

2012-2015

Client:

DSVF, Office for road, transport and und river engineering of the Canton Valais

Partners:

KBM SA, François-Xavier Marquis sàrl

Achievements:

Preliminary study
Inventory of plants influencing the morphology of the water courses, inventory of reaches needing restoration and catalogue of restoration measures.

Pimiento

Key-words:

Drinkable water supply, Waste water management

Date:

2016

Client:

Federation of cooperatives of Migros

Partners:

Achievements:

Preliminary study
Rainwater management for several greenhouses, a processing hall and parkings.
Design of rainwater retention basins for the irrigation of the plants taking into account their specific demand.
Verifying of the volume of the resituated rainwater into the recipient and design of two additional retention basins.
Protection against flood and stormwater runnoff.

River Rhone in the forest of Pfyn

Key-words:

River engineering, Restoration
Infrastructures, Hydro power plants

Date:

2012-2015

Client:

Forces motrices valaisannes

Achievements:

Preliminary study
Methodology for evaluating the depth of a braided bed in function of the width. These complete the numerical terrain model.
Two-dimensional model of the concerned section of the river Rhone. Simulation of different residual discharges with and without artificial dead waters.
Analysis of the flow depth and velocity and their influence of natural habitats of different species of water animals.
Dynamic of fine sediments (transport, erosion and deposition).

Maintenance planning for the community of Bagnes

Key-words:

River engineering, Maintenance planning

Date:

2012-2016

Client:

Community of Bagnes

Partners:

François-Xavier Marquis Sàrl, CERT ingénierie SA

Achievements:

Preliminary study
Development of a method evaluating priority of maintenance measures.
Inventory and GIS-data base of the water courses and their priority.
Evaluation files for the status of a water course regarding maintenance measures.

Tail water race of the hydro power plant Bramois

Key-words:

Infrastructures, Hydro power plant, hydraulic structure

Date:

2013-2015

Client:

Forces motrices de la Borgne

Partners:

HYDRO Exploitation

Achievements:

Detailed project and construction planning
Hydraulic test on the power plant, two dimensional modelling and hydraulic optimisation, evaluation of the minimal impounding depth, simulation with constant and dynamic flow, one-dimensional computation of the gallery, impounding of the regulation gate.

Development planning for the community of Bagnes

Key-words:

Infrastructures, Drinkable water supply

Date:

2013-ongoing

Client:

Services industriels de Bagnes

Achievements:

Preliminary study
Analysis of the drinkable water network and computations with a numerical model, diagnostics of the actual network, propositions for improvement and design of the additional pipes, decision support for specific projects.

Geo-database Dunet Bagnes

Key-words:

Infrastructures, Drinkable water supply

Date:

2012-en cours

Client:

Community of Bagnes

Partners:

CERT SA, SITTEL SA

Achievements:

Preliminary study
Adaption of the software Dunet to the drinkable water supply network of the community of Bagnes. Import of input data from the geo-database by a mouse click. Computation of the pression and the discharge in the whole network and export of the results to the geo-database.

EXAR

Key-words:

Natural hazards and risk, Hazard map

Date:

2014-2015

Client:

FOEN, Federal office for the environment of Switzerland

Partners:

Emch+Berger Bern AG, Geo 7

Achievements:

Preliminary study
Methodology for studying the consequences of very rare floods of the rivers Aare and Rhine.
Choice of hydrological methods, taking into account failure of hydro power facilities or levees, sediment and drift wood transport.

RS MINERVE

Key-words:

Natural hazards and risks, Flood forecast

Date:

2000-on going

Client:

Créalp (Center of alpin research)

Achievements:

Preliminary study
Design of the structure of the software.,
Development of computation models.
Development of tools for analysing the results.
Coordination of the developments of other partners

Alarm planning for the village of Verbier

Key-words:

Natural hazard and risk, Alarm and emergency planning

Date:

2008-2012

Client:

Community of Bagnes

Partners:

CERT ingénierie sa (Project management)

Achievements:

Preliminary study
Definition of threshold values for rain intensity and discharge.
Evaluation of outflow points and points for intervention as well as planning of the emergency measures in collaboration with the fire brigade.
Preparation of intervention instructions.

Flood hazard map of the torrents of Verbier

Key-words:

Natural hazards and risk, hazard map

Date:

2006-2016

Client:

Commuity of Bagnes

Achievements:

Preliminary study
Simulation of the flooding of the torrents of Verbier with a high definition two-dimensional model. Analysis of the influence of bridge blockage.
Supperposition of the over hundred scenarios for the hazard map, dossier for approval.

Natural hazard map of the Wental

Key-words:

Natural hazards and risk, hazard map

Date:

2013-2015

Client:

AWEL, Amt für Abfall, Wasser, Energie und Luft, Zürich

Partners:

Emch+Berger Bern AG (Project management)

Achievements:

Preliminary study
Analysis of the hydraulic capacity of the river Surb with a one-dimensional HEC-RAS-model. Evaluation of the blockage probability of the bridges according to Schmocker&Hager.
Simulation of the flooding of the river Surb and its tributaries with a two-dimensional hydraulic model.

Hall of St-Marc

Key-words:

Natural hazards and risk, Risk assessment

Date:

2011

Client:

Community of Bagnes

Achievements:

Preliminary study
Hazard and risk assessment based on the hazard map of the river Dranse de Bagnes.
Delimitation of space provided to water.
Structural measures as air supply and light wells above water level, displacement of building access in safe areas and a dam along the river.

Reservoir Chaudron

Key-words:

Natural hazards and risk, Hazard map

Date:

2013

Client:

Télé Champéry-Crosets Portes du Soleil SA

Achievements:

Preliminary study
Computing the maximal discharge due to dam break according to CETEGREF and computing the hydrograph with a two-dimensional model of the reservoir.
Propagation of the discharge through the valley of the Chevalet torrent towards the river Vièze using a two-dimensional model.
Flood maps and report for the authorities who have to decide if the dam has to be submit to an official control plan.

Flood in the river Vièze of 2015

Key-words:

Natural hazards and risk, Event documentation

Date:

2015

Client:

Community of Monthey

Achievements:

Analysis of rain gauges and of the measured and observed water levels. Computation of the discharge and the hydrograph of the flood.

Torrent de la Tournelle

Key-words:

River engineering, Flood protection, Restoration

Date:

2012-2014

Client:

Community of Bagnes

Partners:

CERT ingénierie sa, Drosera SA

Achievements:

Preliminary study, Preliminary design project and detailed project
Choice of the torrent corridor and the design discharge.
Modelisation of water level with the software HEC-RAS and hydraulic design including restoration measures.
Modellierung des Wasserspiegels mit HEC-RAS und hydraulische Bemessung inklusive der ökologischen Massnahmen.
Project management and coordination with partners.

Space provided to water in the Val de Bagnes

Key-words:

River engineering, Space provided to water

Date:

2015-2016

Client:

Community of Bagnes

Achievements:

Preliminary study
Review of the water course register, inventory of the water courses where space provided to water has to be released, separation in sections, definition of natural width and of the space provided to water, plans and report for approbation.

River Vièze in Monthey

Key-words:

River engineering, Flood protection, Sediment management, Restoration, Space provided to water, Hazard map

Date:

2004-ongoing

Client:

City and community of Monthey

Partners:

CERT ingénierie sa (project management), françois-xavier marquis sàrl, BEB SA, dv architectes, Jean-Louis Boillat

Achievements:

Preliminary study, preliminary design project und petailed project
Analysis of hydraulic capacity and weak points. Elaboration of different variants.
Definition of the design flood based on a cost-benefit analysis.
optimisation of the profile considering sediment transport, restoration measures and freeboard.
Hazard assessment „after measures“ using a 2D-model.
Release of the space provided to wateres.

Inventory of drinkable water infrastructures for the community of Billens

Key-words:

Infrastructures, Drinkable water supply

Date:

2014-2015

Client:

Community of Billens-Hennens

Achievements:

Preliminary study
Inventory of drinkable water infrastructures in a geo-database and description of structures (reservoirs, pump station, ...).
Analysis of the network with a numerical model.
Proposition for the improvement and optimisation of the network.
Financing scheme for computing the pay scale for drinkable water.
Elaboration of a control plan for water quality controls by the responsible of the community.

Flood protection Trient

Key-words:

River engineering, Flood protection, Sediment management, Restoration

Date:

2011-2014

Client:

Community of Vernayaz

Partners:

Kurmann&Cretton SA

Achievements:

Preliminary study and Preliminary design project
Analysis of different flood protection measures (expansion, deepening, percolated dam, raising of brides …)
Optimisation of sediment management
Freeboard computations
Analysis of the cost-benefit ratio of the proposed measures.

Drinkable water supply Val Ferret

Key-words:

Infrastructures, Drinkable water supply

Date:

2012-2013

Client:

Community of Orsières

Achievements:

Date:

2012-2014

Partners:

BG Ingénieurs Conseils SA, PRONAT Conseils SA, ETEC Ecologie aquatique Sàrl, Kbm Engineers SA, Basler & Hofmann AG

Achievements:

Preliminary study
Evaluation of the bad influence of surge and down surge on the hydrology of the watercourses.
Inventory of hydro power plants with deteriorating effect.
Simulation of surge propagation with the software RS MINERVE.

Rénovièze

Key-words:

Infrastructures, hydro power plants

Date:

2010 - 2012

Client:

CIMO SA

Partners:

CETP SA

Achievements:

Preliminary design project und detailed project
Optimisation of the discharge capacity of the plant with a dynamical hydraulic model. Computing of the water hammer.
Tests during the commissioning of the plan.
Risk analysis of the new pressure pipe.

Flood hazard map of the river Dranse de Bagnes

Key-words:

Natural hazards and risk, Hazard map

Date:

2009

Client:

Community of Bagnes

Achievements:

Preliminary study
Hydrological analysis for evaluating the flood peak discharges taking into account the flood routing in the Mauvoisin reservoir.
Two-dimensional model of the river Dranse and simulation of the floods.
Definition of a criterion for bridge blockage.
Sediment transport computation in order to evaluate the influence of sediment on flooding hazard
Hazard map and dossier for approval.

Ecological compensation measures for the Nant de Drance power plant

Key-words:

River engineering, Restoration

Date:

2011-ongoing

Client:

Nant de Drance

Partners:

Kurmann&Cretton SA

Achievements:

Preliminary study and preliminary design project
Analysis of different variants of expansion of the river
Evaluation of a long terme morphologically stable profile for the variant proposed
Freeboard computations
Design of the bank protection and the bed protection in the expansion
Management of the remaining risk.

Natural hazard map of the river Eulach

Key-words:

Natural hazards and risk, Hazard map

Date:

2012-2014

Client:

AWEL, Amt für Abfall, Wasser, Energie und Luft, Zürich

Partners:

Emch+Berger Bern AG (Project management)

Achievements:

Preliminary study
Analysis of the hydraulic capacity of the river Eulach with a one-dimensional HEC-RAS-model.
Simulation of the flooding of the river Eulach and its tributaries with a two-dimensional hydraulic model.

Sports facilities of Verbier

Key-words:

Natural hazards and risk, Risk assessment

Date:

2012

Client:

Community of Bagnes

Achievements:

Preliminary study
Local hazard and risk assessment based on the hazard map.
Structural measures as air supply, light wells and building access above water level.

Tail water race of the hydro power plant Farettes

Key-words:

Infrastructures, Hydro power plant, hydraulic structure

Date:

2014-2015

Client:

Romande Energie

Partners:

HYDRO Exploitation

Achievements:

PA-V3

Key-words:

River engineering, Flood protection

Date:

2006-2015

Client:

Commuity of Bagnes

Partners:

CERT ingénierie sa, françois-xavier marquis sàrl, e-dric sàrl

Achievements:

Preliminary study
Inventory of the hydraulic capacity of the torrents of Verbier and setup of a georeferenced data base.
Definition of the design discharge comparing capacity aim and construction cost to reach this aim.
Evaluation of the efficiency of the measures base on a comparison of construction cost and damage potentiall (EconoMe).
Prioritising of the different construction projects.

Space provided to water of Vernayaz

Key-words:

River engineering, Space provided to water

Date:

2015

Client:

Community of Vernayaz

Achievements:

Louvie

Key-words:

Infrastructures, Hydro power plants, Hydraulic structure
Natural hazards and risks, Flood forecast

Date:

2011-2012

Client:

Community of Bagnes

Achievements:

Preliminary study
Hydrology of the catchment, inflow to the reservoir, simulation of flood routing and evaluation of the highest possible level of the reservoir, assessment of flood security.

Rain retention basin

Key-words:

Infrastructures, Waste water management

Date:

2012

Client:

Community of Bagnes

Achievements:

Preliminary study
Design of a rain retention basin to reduce volume of rain water restituted to the torrents.
Hydrological and hydraulic study.

Development planning for a drinkable water supply network

Key-words:

Infrastructures, Drinkable water supply

Date:

2012-2013

Client:

Community of Sembrancher

Achievements:

Rain water retention basin for a hotel in Verbier

Key-words:

Infrastructures, Waste water management

Date:

2009-ongoing

Client:

3 Rocs

Partners:

Hubert&Torrent SA

Achievements:

Preliminary study and preliminary design project
Delimtation of watershed, dynamic computation of rain events, different possibilities for retaining basins and design of controlling structures.

Train depot for the local rail company in Vernayaz

Key-words:

Natural hazards and risk, Risk assessment

Date:

2011

Client:

TMR, Transports Martigny Région

Achievements:

Preliminary study
Local hazard and risk assessment based on the hazard map of the river Trient.
Measures stabilising the building during inundation.
Structural measures as electrical facilities above water level and floodable equipped with pumps, alarm and emergency plan for evacuation of the building.

Reservoir Moneyeu

Key-words:

Natural hazards and risk, Hazard map

Date:

2012

Client:

Community of Bagnes

Achievements:

Preliminary study
Computing the maximal discharge due to dam break according to CETEGREF and computing the hydrograph with a two-dimensional model of the reservoir.
Propagation of the discharge through the valley of the Bruson torrent towards the river Dranse using a two-dimensional model.
Flood maps and report for the authorities who have to decide if the dam has to be submit to an official control plan.

Reservoir Réchouène

Key-words:

Natural hazards and risk, Hazard map

Date:

2015

Client:

Téléverbier SA

Partners:

françois-xavier marquis sàrl

Achievements:

Preliminary study
Computing the maximal discharge due to dam break according to CETEGREF and computing the hydrograph with a two-dimensional model of the reservoir.
Propagation of the discharge through the valley of the Fregnolay torrent towards the river Dranse using a two-dimensional model.
Flood maps and report for the authorities who have to decide if the dam has to be submit to an official control plan.

District heating plant of the city Monthey

Key-words:

Natural hazards and risk, Risk assessment

Date:

2013

Client:

SATOM

Achievements:

Preliminary study
Local hazard and risk assessment based on the hazard map of the river Vièze.
Delimitation of space provided to water.
Recommendation for the security of the construction site during floods, prescriptions concerning depth and building technique of the pipe to prevent bank erosion in the river Vièze.

Zoning plan in the Verney area

Key-words:

Natural hazards and risk, Risk assessment

Date:

2014

Client:

City of Monthey

Achievements:

Preliminary study
Local hazard and risk assessment based on the hazard map of the river Vièze.
Protection measures as fill-up and excavation to guide the water flow towards the river Rhone without damage to the facilities.

Waterfront of the river Vièze

Key-words:

Natural hazards and risk, Risk assessment

Date:

2012-2013

Client:

City of Monthey

Achievements:

Preliminary study
Local hazard and risk assessment based on the hazard map of the river Vièze.
Delimitation of space provided to water.
Structural measures as air supply and accommodation above water level and elevation of the dam along the river.