• Invitation to tender

    Invitation to tender

The Association Intercommunale pour l’Épuration des Eaux Usées de la Côte (APEC) is planning to build a new wastewater treatment plant on the Lavasson site in the commune of Gland. The current WWTP has reached maximum capacity and is no longer capable of handling future load increases. The new 70,000 p.e. WWTP will improve water protection by treating the nitrogen and micropollutants that are currently lacking.

The WWTP is organized around five units (administration building, pre-treatment building with primary decantation, biological basins with secondary decantation, micropollutant treatment and sludge treatment building).

Construction of the WWTP will require an excavation 4 to 5 m deep, with an excavation volume of 40,000 m3. Part of the excavated material will be reused for backfill.

The basins and underground structures will be made of reinforced and prestressed watertight concrete. The watertightness of the concrete structures must be guaranteed from the inside for the basins and from the outside, since the buried structures will be subjected to a water pressure of around 1m. The load-bearing structure of the administration building and the above-ground load-bearing structures of the other buildings will be made of wood, mostly from very local sources, as some APEC member municipalities have forest areas capable of supplying construction timber.

The project is being developed in BIM in collaboration with the various partners in the consortium (equipment engineer, civil engineer, CVS, MCRCE) as well as the architect and landscape architect.

  • Owner

    APEC

  • Civil engineer

    INGPHI SA

  • Hydraulic equipment engineer

    Holinger SA

  • Architect

    A. Cornaz + Associés Sàrl

  • Provided services

    Preliminary Design
    Detailed design

  • Period

    In progress

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Project Team

  • Basir

    Borhani

    Civil engineer

  • Fatima

    Moukhtari

    Geotechnical Engineer

  • Florent

    Iseni

    Draftsman

  • Hammad

    El Jisr

    Structural Analysis and Numerical Simulations Engineer

  • ninh-tran-equipe-ingphi

    Ninh

    Tran

    Associate - Internship supervisor - BIM Manager & Draftsman and builder

  • Philippe Menétrey-INGPHI

    Philippe

    Menétrey

    Manager - Project Manager - Civil Engineer

  • Rui Costa-INGPHI

    Rui

    Costa

    Draftsman - Internship supervisor

  • Thanh Nhien Nguyen-INGPHI

    Thanh Nhien

    Nguyen

    Architect - BIM Coordinator

  • Thibault Clément

    Thibault

    Clément

    Associate - Project Manager - Civil Engineer

Colovray Sports Centre