France – District-heating mains construction work – Travaux de raccordement hydraulique de la chaudière miscanthus dans la chaufferie du RCU POITIERS BIARD

Fixed-term works contract - The project involves the installation of a multi-fuel boiler (forest chips, Class A wood, miscanthus...) with a capacity of 300 KW in the recently commissioned boiler room, which was put into service in October 2025 and supplies the Grand Poitiers Urban Heat Network. It was designed to accommodate 2 boilers, the first of which, with a capacity of 5 MW and operating solely on forest chips, is already in operation. The addition of the second boiler is therefore taking place in an operational boiler room. This lot aims to: supply and install a set of hot water piping, valves and equipment for connecting the new "miscanthus" boiler. Installation (supply by Dalkia) of primary/secondary pumps and the pressure decoupling exchanger between the RCU and the boiler. The water supply for extinguishing and cooling the boiler. The compressed air supply to the boiler. In accordance with Article R2161-23 of the Public Procurement Code, the contracting entity reserves the right to award the contract based on the initial tenders without negotiation; The contracting entity reserves the right to ask tenderers to submit one or more mandatory variants, which will then be described in the TED. The services may be divided into a firm section and one or more optional sections. If applicable, the sections will be described in the TED offer phase. The contracting entity reserves the right to ask tenderers to submit one or more mandatory variants, which will then be described in the TED. The services may be