The contract covers; Construction of new Pre-Treatment Units along with provision and installation of Electro-Mechanical Equipment and making the Pre-Treatment Unit ready for operation & Construction of new 25.000 m³/day capacity Biological Treatment Units along with provision and installation of Electro-Mechanical Equipment & Building of SCADA and Automation System of whole plant & Building of Effluent Filtration and Disinfection System & Trouble-free commissioning of whole plant by completion of all other related Works described in the tender documents.