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.

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.

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.

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.

Flood protection on the torrent Fregnolay

Key-words:

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

Date:

2009-2010

Client:

Community of Bagnes

Partners:

CERT ingénierie sa (Project management), Drosera SA

Achievements:

Preliminary design project und construction project
Restoration and protection measures on the torrent with debris flow.
Hydraulic computation and modeling of debris flows.
Design of structures as levees.
Concept for revegetation of the banks.
Establishment of an alarm planning.

Torrent Tintaz

Key-words:

River engineering, Flood protection

Date:

2008-2009 et 2014–on going

Client:

Community of Bagnes

Partners:

urbaplan, CERT ingénierie sa

Achievements:

Preliminary study and preliminary design project
Analysis of the hydraulic capacity and weak points of the torrent Tintaz.
Preliminary design of the sections to enlarge (width, lowering or replacement of culverts by an open section) using HEC-RAS models.
2D simulation of out flowing water on the streets of the village. Planning and design of structural elements to protect buildings along the streets.
Analysis of efficacity and cost-benefit using EconoMe.

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.