France – Rain-water basin construction work – Réhabilitation bassins anti-pollution SANEF 2027 Lot n°3: A16 Centre d'Amiens Lot n°4: A1 Centre d'Arras

The contract comprises the following services: The works include, according to the zones: ✓ The supply and implementation of a new watertightness complex, its covering with gravel or earth and its finishes ✓ All earthworks necessary for the proper execution of the service (deepening the bottom, stone removal, cleaning). ✓ The supply and implementation of the inlet and outlet works of the basin. ✓ The neutralisation and possible disposal of the oil separator in an approved landfill. ✓ The hydro-jetting of the oil separator if it is retained. ✓ The diversion of waters, as well as all the material and means necessary for the out-of-water work during the construction phase. ✓ The hydro-jetting and, if necessary, the repair upstream and downstream of the lateral sewer network on the affected catchments. ✓ Upon completion of the works, the restoration of the site and the removal of all objects deposited on the site (for example, temporary signage, various materials, etc.). ✓ The possible implementation of temporary diversions and restoration of ditches, watercourses, and access roads. The Company must obligatorily restore these sites as soon as they cease to serve the needs of the site. These works will be carried out according to a phasing proposed by the company and validated by the contracting authority.