this project management must make it possible to:- size the new reservoir in Marclay.- Propose one or more routes to supply this reservoir by the 5 upstream sources- Restructure and size the downstream distribution networks according to the choice made on the sources- Remove the reservoirs downstream and define pressure stages- Secure the supply of the upper sector by pushing water from the lake into the new Marclay reservoir.This consultation is divided into 4 tranches: one firm tranche with the Avp and ProEt missions, three optional tranches with the Act, Visa, Det and Aor missions.- Optional tranche 1 of the Marclay reservoir- optional tranche 2 of the network part on the Marclay side- optional tranche 3 of the network part on the Charmottes sideThe following additional missions are requested in firm tranche:mc1:topographic surveysmc2: Assistance with additional filesMC3:Assistance in filing the building permit

this project management must make it possible to:- size the new reservoir in Marclay.- Propose one or more routes to supply this reservoir by the 5 upstream sources- Restructure and size the downstream distribution networks according to the choice made on the sources- Remove the reservoirs downstream and define pressure stages- Secure the supply of the upper sector by pushing water from the lake into the new Marclay reservoir.This consultation is divided into 4 tranches: one firm tranche with the Avp and ProEt missions, three optional tranches with the Act, Visa, Det and Aor missions.- Optional tranche 1 of the Marclay reservoir- optional tranche 2 of the network part on the Marclay side- optional tranche 3 of the network part on the Charmottes sideThe following additional missions are requested in firm tranche:mc1:topographic surveysmc2: Assistance with additional filesMC3:Assistance in filing the building permit