Public contracts of Communauté de communes Grand Lieu Communauté · 2026

Construction de la nouvelle STEP de la chevroliere

€3.2M

maximum contract amount over 18 months — what was paid on it is not published

Signed on 27 July 2026 · running until about January 2028 · 18 months

Ongoing26 Jan 2028

That is at most ~€2.1M a year on average: a maximum too.

Company selected

Colas France (Établissement Gadais)Construction de routes et autoroutes · registered office Paris (75015) · headcount 10,000 employees or more · SIREN 329338883

A contract awarded to a consortium of 4 holders; above, the main holder. With it: Sogea Ouest TP, Moinard Énergie, Lepine TP. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

6 bids received

Median for this procedure in 2026: 3 bids, across 23502 comparable contracts. Simplified procedure · awarded to 4 companies

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

The largest of the 22 contracts Communauté de communes Grand Lieu Communauté published for 2026.

Other contracts of Colas France (Établissement Gadais) in Communauté de communes Grand Lieu Communauté

Travaux de modification des bassins de rétention 3a…2026 · maximum over 3 months64€k Terrassement, Voirie, Assainissement2025 · maximum over 8 months552€k Terrassement, voirie et assainissement2025 · maximum over 7 months327€k

Contract details (procedure, price, amendments, lots)

Procedure : Adapted procedure: the lighter procedure allowed under the EU thresholds

Price : Forfaitaire

Published amendments : 1

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.