The services mainly include:
- the supply and installation of approximately 5,400 ml of HDPE pipes with a nominal diameter of 225 mm;
- the supply and installation of approximately 40 ml of HDPE pipes with a nominal diameter of 63 and 90 mm;
- the supply and installation of approximately 250 ml of PVC pipes with a nominal diameter of 63 and 75 mm.
Plaine et Graon sector - modification of the hydraulic plan in the municipalities of Saint-Michel-en-l'Herm, Triaize and Champagné-les-Marais. The services mainly include:
- the supply and installation of approximately 5,400 ml of HDPE pipes with a nominal diameter of 225 mm;
- the supply and installation of approximately 40 ml of HDPE pipes with a nominal diameter of 63 and 90 mm;
- the supply and installation of approximately 250 ml of PVC pipes with a nominal diameter of 63 and 75 mm.