Eiffage and Vinci secure €400m worth of water treatment plant works

Eiffage Génie Civil and Vinci Construction have won a design and build contract with French transnational company Veolia to build three water treatment plants worth more than €400 million (US$435.8 million).

Tank or reservoir for biological purification and cleaning of dirty sewage water by active sludge. Modern technologies in wastewater treatment plant Image: DedMityay via AdobeStock (stock.adobe.com)

The contract is part of the concession awarded to Veolia by Syndicat des Eaux d’Île-de-France (SEDIF) to manage public drinking water services in Île-de-France region.

The contract includes the design and construction of building frameworks for the new low-pressure reverse osmosis (LPRO) treatment plants, the upgrading of power supply for the water treatment plants in Neuilly-sur-Marne and Choisy-le-Roi, and the conversion of the Méry-sur-Oise plant to equip it with the LPRO technology.

It also covers demolition operations, the creation of special foundations, and the construction of ancillary buildings on a general contracting basis.

The LPRO streams concern membrane buildings, associated reactive buildings, a Multiflo decantation (wastewater treatment) facility, and their connection networks and infrastructure.

The overhaul of plants power supply includes high-voltage transformer substations, upgrades to existing substations, and the high-voltage connection networks and infrastructure.

Veolia has awarded the overall design process to its subsidiary OTV and project management support to Egis Eau. Within the design and build consortium, LELLI Architectes and MVRDV are respectively in charge of architectural services for the facilities in Choisy-le-Roi and in Neuilly-sur-Marne.

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