Works related to stormwater reservoirs

Summary

The tender concerns the rehabilitation of stormwater reservoirs under SANEF 2027, including the A16 Centre d'Amiens and A1 Centre d'Arras sections. The works include installing a new waterproofing system, earthworks and excavation, inlet and outlet structures, possible neutralisation or removal of the hydrocarbon separator, water diversion, equipment needed to work in dry conditions, as-needed cleaning and repair of the drainage and sewer network, and site reinstatement after completion. The contractor must propose the work phasing, which must then be approved by the contracting authority.