design, engineering, manufacture, quality surveillance, inspection and testing at suppliers works, supply, packing, forwarding to site, transportation, f.o.r-ytps, unloading, storage, preservation, handling at site, all mechanical, candl systems, electrical equipment and systems, steel structures, civil works with new chimney, insurance, erection, painting, start-up, trial operation, testing, commissioning, performance guarantee testing and warranty for wet lime stone flue gas desulphurization plant for 2x800mw, units-1 and 2 of of ytps of rpcl, and handing over to the owner an operation plant and operation and maintenance of fgd system including supply of spares and consumables for three (03) years