Securing the hydraulic operation of the VL2 pumping station in Villeneuve-Saint-Georges

Summary

The tender concerns construction works to improve the hydraulic reliability of the VL2 pumping station in Villeneuve-Saint-Georges. The works are divided into up to five lots: site establishment and civil engineering, renewal of electrical and automation equipment together with a building information model, renewal of valves and screening equipment, renovation of platforms, metalwork, locksmithing and handling equipment, and renewal of pumping and hydraulic equipment. The objective is to ensure continuous pumping at a flow rate of 6 m³/s, secure the discharge basin, renew electrical and control equipment, and improve the quality of wastewater conveyed to the treatment plant. Tenders must be submitted electronically by 29 September 2026 at 16:00; tenders will be opened on 30 September 2026 at 10:00. A bidder may submit tenders for up to five lots, but may be awarded no more than one lot. The planned contract duration is 24 months starting on 28 October 2026. The contract is mixed, comprising both a lump-sum component and a unit-price component; the unit-price component has no minimum volume, while a maximum volume is specified in the tender documents. A 5% retention is applied to each payment; the advance payment is generally 5%, or 30% for an eligible small or medium-sized enterprise that accepts the advance.