Public contracts of the Hauts-de-Seine département · 2025

Adaptation du réseau départemental d’assainissement liée au prolongement du Tramway T1-ouest phase 2 jusqu’au T2 à Colombes…

€22M

framework agreement: a maximum envelope for orders over 4 years, not spending — what was paid on it is not published

Signed on 7 August 2025 · running until about August 2029 · 4 yrs

Ongoing7 Aug 2029

That is at most ~€5.5M a year on average: a maximum too.

Company selected

Ipf 78 (SNPR Sylvain Joyeux)Construction de routes et autoroutes · registered office Magny-Les-Hameaux (78114) · SIREN 329168157

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

The competition

2 bids received

Median for this procedure in 2025: 3 bids, across 17964 comparable contracts. Open tender · awarded to 2 companies

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

Number 4 by amount of the 128 contracts the Hauts-de-Seine département published for 2025.

Other contracts of Ipf 78 (SNPR Sylvain Joyeux) in Hauts-de-Seine

Réhabilitation du collecteur d’assainissement départemental visitable…2026 · maximum over 2.5 years3€M Insertion d’aménagements cyclables2025 · maximum over 8 months3.4€M Réhabilitation des collecteurs d’assainissement visitables situés sous…2022 · maximum over 2 years5.5€M

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

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

Price : Unitaire

Published amendments : none

Subcontracting declared : no

Social considerations : Clause sociale

Environmental considerations : Critère environnemental, Clause environnementale

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.