Hydraulic barrier operation and contaminated groundwater treatment

Open procedure for contaminated-soil treatment services in Poissy (France) led by Ville de Poissy. The contract concerns operation of a hydraulic barrier, pumping and treatment of chlorinated solvents (COHV), groundwater monitoring, and in-situ treatment including laboratory and field pilot tests. One lot is identified. The notice states a 6-year fixed term, mandatory site visit, and electronic submission via Achatpublic. The estimated contract amount is shown as EUR 0 in structured data and XML, which likely indicates a missing or placeholder value rather than a real budget, so value certainty is low.