Fabrication And Erection Of M S Pipes Of 8 Mm Thick, 400,600 And 800 Mm Nominal Dia With Flanges Including All Materials, Nut, Bolts And Gasket Fittings Etc For Suction And Delivery Pipe Line Of 17.5 Cusec Pump Sets 03 Nos As Per Drawing At Pumpin (EXPIRED)