Public contracts of Communauté d'agglomération de Saint-Quentin-en-Yvelines · 2025

Travaux de construction d’un ouvrage de franchissement dédié aux modes actifs, en surplomb de la RN10 à Montigny-le-Bretonneux

€6M

maximum contract amount over 17 months — what was paid on it is not published

Signed on 7 May 2025 · running until about October 2026 · 17 months

Ongoing6 Oct 2026

That is at most ~€4.2M a year on average: a maximum too.

Who won it

Viry-AcmlFabrication de structures métalliques et de parties de structures · registered office Eloyes (88510) · headcount 50 to 99 employees · SIREN 307150516

A contract awarded to a consortium of 4 holders; above, the main holder. With it: Terideal (Snfre-Geosys-Société Centrale des Entreprises Segex), Eurovia Ile de France, Razel-Bec. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

5 bids received

Median for this procedure in 2025: 3 bids, across 17964 comparable contracts. Open tender · awarded to 4 companies

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

Number 4 by amount of the 77 contracts Communauté d'agglomération de Saint-Quentin-en-Yvelines published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Unitaire

Published amendments : none

Subcontracting declared : yes

Environmental considerations : 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.