design , construction, erection, testing, commissioning main pumping station of 2.0 mld with peak factor 3.0 and sewage treatment of 2.0 mld based on sbr technology, disposal of sludge and laying of 350mm rcc np-3 pipe for disposal of treated of effluent from sewage treatment plant to drain complete in all respect including construction of boundary wall, staff quarter, approach road, landscaping, mcc panel room, 4 no. cctv camera, transformer, dg set, and all other works contingent thereto, elec