Travaux d’entretien et de curage des buses de diamètre supérieur ou égal à 2 mètres des départements des Alpes-Maritimes (06) et du Var (83)

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Maintenance and de-silting works for culverts with a diameter greater than or equal to 2 metres in the départements of Alpes-Maritimes (06) and Var (83): A8 motorway from PR 43+0000 to PR 223+0000 inclusive A50 motorway from PR 57+0000 to PR 72+0000 inclusive A57 motorway A500 motorway These services also include: • clearing the surroundings of the structure and creating the access routes necessary for the intervention; • de-silting, collection, sorting and disposal of wild waste present in the hydraulic structures, both upstream and downstream, up to 5 metres on either side; • transport and disposal of all waste collected as the works progress. • transport and disposal of sediments identified as polluted to approved treatment channels; • restoring non-polluted sediments to the watercourse downstream, with placement along the riverbanks downstream of the intervention zone, in accordance with the principle of restoring ecological continuity. • installation of cofferdams if necessary. By way of indication, Lot 1 covers approximately 24 culverts with an opening greater than 2 metres. This quantity is estimated and may change. Maintenance and de-silting works for culverts with a…

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