works to strengthen the pumping capacity with supply and installation of the interconnection pipes of the station with the existing network in DN 500 mm maximum with a booster station, equipped with 4 main pumping units with capacities 3 x 115 l/s (including 1 in backup) and 1 x 50 l/s, Civil engineering work on the station and its exterior facilities. (lot 1) Supply and installation of pipes with a diameter between 90 mm and 500 mm: Carried out in trenches or open-air earthworks for almost the entire linear;Inserted under ducts laid in trenches; Laid without sleeve by horizontal drilling. (lot 2)

the works will include: The temporary diversion of the existing BRL network ;D the station's interconnection pipes with the existing 500 mm DN network; A booster station, equipped with:o 4 main pumping units with capacities of 3 x 115 l/s (including 1 in backup) and 1 x 50 l/s ;o Suction and discharge manifolds and piping for pumps;o From taps to suction and discharge of pumps and manifolds in the station;o 1 anti-ram balloon, connected to the discharge collector of the station, unit volume 15000 l ;o A Hta/Bt substation comprising the cells, the transformer and all the electrical equipment; Power and control cabinets ;o Auxiliary equipment (ventilation, handling, etc.)

these works, relating to the creation of new networks and structures for BRL, concern pipes with a diameter between 90 mm and 500 mm:Carried out in trenches or open-cast earthworks for almost the entire line;Inserted under ducts laid in trenches; Laid without sleeve by horizontal drilling. The work will also include the installation of agricultural bollards, equipment and other ancillary works, as indicated on the plans attached to this consultation file.22.9 km in trench and 16ml in horizontal drilling