France – Travaux de construction de réseaux de chauffage urbain – Travaux de raccordement hydraulique de la chaudière miscanthus dans la chaufferie du RCU POITIERS BIARD

DeadlineJune 12, 2026 at 10:00 AMClosed 14 days ago

AI summary

This tender concerns hydraulic connection works for a 300 kW multi-fuel boiler (miscanthus, forest chips, class A wood) in the operational district heating plant of Grand Poitiers. The contract includes supply and installation of hot water piping, fittings, pressure decoupling exchanger, pumps, water supply for extinction and cooling, and compressed air supply to integrate the new boiler into the existing 5 MW heating network.

#district heating#boiler installation#hydraulic works#poitiers#france#thermal engineering#miscanthus
Fit for

Specialized contractors in heating system installation, plumbing, or thermal engineering capable of working on operational industrial heating plants are sought.

Key requirements

Suppliers must be able to execute hydraulic installation and connection works in an operational heating facility, handle pressure equipment (PS 3 bars, PN 6 bars), and coordinate with existing infrastructure. Experience with district heating systems and multi-fuel boiler integration is required.

Frequently asked questions

  • What is this tender about?

    This tender concerns hydraulic connection works for a 300 kW multi-fuel boiler (miscanthus, forest chips, class A wood) in the operational district heating plant of Grand Poitiers. The contract includes supply and installation of hot water piping, fittings, pressure decoupling exchanger, pumps, water supply for extinction and cooling, and compressed air supply to integrate the new boiler into the existing 5 MW heating network.

  • What are the requirements for suppliers?

    Suppliers must be able to execute hydraulic installation and connection works in an operational heating facility, handle pressure equipment (PS 3 bars, PN 6 bars), and coordinate with existing infrastructure. Experience with district heating systems and multi-fuel boiler integration is required.

  • What type of company should bid?

    Specialized contractors in heating system installation, plumbing, or thermal engineering capable of working on operational industrial heating plants are sought.

  • Who is the buyer?

    The buyer is DALKIA (31).

  • When does this tender close?

    Submissions close on June 12, 2026.

Marché forfaitaire de travaux - Le projet prévoit l'implantation d'une chaudière multi-combustibles (plaquettes forestières, bois de classe A, miscanthus...) de 300 KW dans la récente chaufferie mise en service en octobre 2025 alimentant le réseau de chaleur Urbain de Grand Poitiers. Elle a été conçue pour accueillir 2 chaudières dont la première de 5 MW fonctionnant uniquement à la plaquette forestière est déjà en service. L'ajout de la seconde chaudière se fait donc dans une chaufferie en exploitation.Ce lot a pour but: la fourniture et la pose d'un ensemble de tuyauteries eau chaude, robinetteries et équipements pour le raccordement de la nouvelle chaudière " miscanthus" l'échangeur de découplage de pression entre le RCU et la chaudière (PS 3 bars et PN 6bars) La pose (fourniture Dalkia) des pompes primaires/secondaires échangeur de découplage L'alimentation en eau d'extinction et de refroidissement de la chaudière L'alimentation en air comprimé de la chaudière L'entité adjudicatrice se réserve la possibilité de demander aux soumissionnaires de présenter une ou des variantes obligatoires, qui seront alors décrites dans le DCE. Les prestations pourront être découpées en tranche ferme et une ou plusieurs tranches optionnelles. Le cas échéant les tranches seront décrites dans le DCE phase offre.

Buyer
DALKIA (31)
Buyer ID: 45650053704622
4bis rue Françoise d'Eaubonne, 31200, Toulouse
Body responsible for review procedures
Tribunal Judiciaire de Toulouse
Buyer ID: 17310111400499-1
2 Allée Jules Guesde BP 7015, 31068, Toulouse
Other organization
Greffe du Tribunal Judiciaire de Toulouse
Buyer ID: 17310111400499-2
2 Allée Jules Guesde BP 7015, 31068, Toulouse

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