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Public contracts of Nantes Métropole · 2025

Renouvellement du réseau d’assainissement des eaux pluviales Modification des réseaux d’eau existants Boulevard Victor Hugo et Boulevard Bénoni Goullin (Nantes)

€4.2M
framework agreement: a maximum envelope for orders over 8.5 years, not spending — what was paid on it is not published
Signed on 6 January 2025 · running until about August 2033 · 8.5 yrs
Ongoing7 Aug 2033

That is at most ~€489k a year on average: a maximum too.

Company selected

Atlantique Travaux PublicsSIREN 323355123

A contract awarded to 2 holders; above, the main holder. With it: Ehtp. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

4 bids received

Median for this procedure in 2025: 3 bids, across 585 comparable contracts. Procedure with negotiation · awarded to 2 companies

Open data gives the contract holder and the number of bids. The identity of unsuccessful bidders is not published.

Number 14 by amount of the 512 contracts Nantes Métropole published for 2025.

Other contracts of Atlantique Travaux Publics in Nantes Métropole

Renforcement du réseau AEP vers le Moulin à Huile à Rezé…2026 · maximum over 12 months2.2€MRenouvellement des réseaux EU et AEP rues jean BART…2026 · maximum over 7 months1.7€MRéhabilitation du réseau d’Assainissement et Renouvellement du Réseau…2026 · maximum over 6 months1.6€M
Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Framework agreement : yes: orders follow, the amount is a ceiling

Price : Unitaire

Published amendments : 9

Subcontracting declared : yes

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.