The Agglomeration Community of Saint-Quentinois benefits from the administrative competence of sanitation. The most important is that of Saint-Quentin Gauchy, grouping together 18 municipalities, or approximately 85,000 inhabitants. The estimated work envelope amounts to EUR 3,340,000 excluding tax.

Form of contract: ordinary. Award of a single market. Details of the mission elements entrusted to the project manager: PRO / ACT / VISA / DET / AOR / ESQ / AVP.