The purpose of this Specification is the establishment of the agreements and conditions defining the rights and obligations of the parties that must govern in their legal, administrative, economic and technical aspects the contracting of the service of Operation, maintenance and conservation of transport and wastewater treatment facilities of Navarra in the Pyrenees Zone (Lot 1) and the Northwest Zone (Lot 2)

Operation, maintenance and conservation of wastewater transport and treatment facilities in the Pyrenees Area

Operation, maintenance and conservation of wastewater transport and treatment facilities in the Northwest Zone