The Object Of The Contract Is The Provision Of Preventive And Corrective Maintenance Services For The Raw Water Filtering Equipment And Sieves Of The Consorci D'Aigües De Tarragona (From Now On, Cat), Located At Different Points Of The Cat'S Etap Water Collection And Treatment Network. This Service Includes The Maintenance Of The Following Equipment: • Grating Of The Right Bank Catchment And Associated Transport System. • Sieves And Conveyor Belt Of The Eb-0 Pumping Station. • Hydraulic Automatic Gate Of The Left Bank Catchment. • Sieves And Conveyor Belt Of The Etap Dac System. The Service Includes Periodic Preventive Maintenance, Corrective Maintenance On Demand, Supply Of Spare Parts, Improvements And Annual Technical Certification, As Well As The Necessary Training Support To Guarantee The Correct Operation Of These Essential Equipment For The Raw Water Treatment Process.