Public contracts of the Hauts-de-Seine département · 2026

Contrôles qualité relatifs aux travaux de réhabilitation du collecteur d’assainissement départemental visitable situé avenue de la Paix à Châtillon

€443k

maximum contract amount over 6.5 years — what was paid on it is not published

Signed on 17 June 2026 · running until about December 2032 · 6.5 yrs

Ongoing16 Dec 2032

That is at most ~€68k a year on average: a maximum too.

Who won it

SemofiIngénierie, études techniques · registered office Villeneuve-Le-Roi (94290) · headcount 100 to 199 employees · SIREN 391764156

A contract awarded to a consortium of 3 holders; above, the main holder. With it: Idetec Environnement, Idetec Ingenierie. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

1 bid received

Median for this procedure in 2026: 3 bids, across 8946 comparable contracts. Open tender · awarded to 3 companies

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 43 by amount of the 86 contracts the Hauts-de-Seine département published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Unitaire

Published amendments : none

Subcontracting declared : yes

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.