This consultation concerns work to supply and lay a raw water pipe 600 mm in diameter to create an outlet in the Jaunay reservoir, laying a double network in the treatment plant. drinking water from Jaunay in steel 600 mm and 700 mm in diameter and occasional work to overhaul equipment for water hammer protection (town of Landevieille). The work includes the supply and installation of fountain valves and various accessories necessary for the work.

This consultation concerns work to supply and lay a raw water pipe 600 mm in diameter to create an outlet in the Jaunay reservoir, laying a double network in the treatment plant. drinking water from Jaunay in steel 600 mm and 700 mm in diameter and occasional work to overhaul equipment for water hammer protection (town of Landevieille). The work includes the supply and installation of fountain valves and various accessories necessary for the work. The market includes a firm phase and an optional phase. In firm slice:

- Jaunay plant (municipality of Landevieille): renewal of the discharge network from the dam's dewatering station with a DN 700 steel pipe to the raw water basin, and parallel installation of the DN600 steel discharge network for the dewatering of a new pumping station and connection to a stand at the entrance to the plant site;

- discharge in Jaunay: creation of a DN600 mm steel network over 2.1 km for the discharge of raw water in the Jaunay reserve;

- water hammer protection work on an existing raw water network located between the Clouzeaux quarry and the Jaunay treatment plant, replacement and / or displacement of the suction cups on eight separate sites with new equipment. In optional phase:

- creation of a DN500 mm steel network over 2.1 km in parallel with the DN600 network. It is specified that the consultation is not allotted. However, a consultation is underway for the installation work to create a pumping station on the Jaunay site and on the Carrière des Clouzeaux which will allow the exchange of raw water.