The purpose of this consultation is to produce a diagnosis, to define the technical solutions of development and a program of rehabilitation of the collective sanitation works, in order to eliminate a maximum of clear water parasitic of dry weather, of watering and rainy weather.

To establish a diagnosis, to define the technical solutions of development and a program of rehabilitation of the collective sanitation works, in order to eliminate a maximum of clear waters parasitic of dry weather, of drying and of rainy weather. The study will be done in 4 phases and will be carried out within 24 months from the order of service.