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tender

Physical Hydraulic Modelling of Drize Structures – Saint-Julien Road Sector (PAV)

Publication date
21.04.2026
Submission deadline
21.05.2026
Execution start
01.06.2026
Location

The mandate is executed principally in the contractor's premises, within a hydraulic laboratory suitable for the realisation of physical models. Coordination meetings may take place in Geneva or remotely with the client and other project contractors.

Description

This contract concerns the realisation of a physical hydraulic model in the laboratory as part of the project to daylight the Drize watercourse in the Saint-Julien Road sector (PAV, Geneva). The mandate includes the design, construction and operation of a physical model to simulate the hydraulic performance of the planned structures, in particular the flow regulation devices (cofferdam, spillway, water intake and transition structures to galleries). The model must enable the analysis of various hydrological scenarios, including flood situations and degraded conditions with debris (floating wood), in order to validate the sizing and operation of the structures. The services include model design, its realisation in the laboratory, implementation of a test campaign, analysis of results and formulation of recommendations for the project.

Other dates
28.04.2026Visite sur place
Contact awarding authority
Office cantonal de l'eau (OCEAU) - Service de l'aménagement des eaux et de la pêche (SAEP)Rue David-Dufour 5, 1211vanessa.charteris@etat.ge.ch+41225467450www.ge.ch/dossier/geneve-canton-eau
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Client
Office cantonal de l'eau (OCEAU) - Service de l'aménagement des eaux et de la pêche (SAEP)
Procedure
Offen
Execution
01.06.2026 – 04.12.2026
Consortium
Permitted
Subcontractor
Yes
Project number
35718
Publication number
35718-01
Task type
service

Projektverlauf

Contract awarded16.06.2026

Modélisation physique hydraulique des ouvrages de la Drize – Secteur route de Saint-Julien (PAV)

Le présent marché porte sur la réalisation d’un modèle physique hydraulique en laboratoire dans le cadre du projet de remise à ciel ouvert de la Drize, dans le

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