France – Architectural, engineering and planning services – PHASE CANDIDATURE Marché de maîtrise d’œuvre pour la modernisation et l’extension d’une station de traitement des eaux usées sur le territoire de Nantes Métropole

This tender from Nantes Métropole seeks design services (maîtrise d'œuvre) for the modernization and extension of a wastewater treatment plant in Nantes, France. It follows a two-phase procedure: candidate selection (phase candidature) followed by negotiation with up to 5 selected candidates. Only French language submissions are accepted. The estimated value is not provided, and key selection/award criteria are missing from the notice. The duration is 90 months.