supply of cs cladded columns for cdw unit including design ( mechanical and hydraulic ) , asme u stamp, engineering, procurement, fabrication, inspection, testing and trail assembly of internals at shop, painting, tagging, documentation, preparation for shipment and supply of thecs cladded columns ( tag nos. 413-c-01 and 413-c-04 ) for cdw unit, including removable internals, welded internals, external attachments, equipment supports, all accessories, commissioning and mandatory spares, special tools & tackles, third party inspection, supervision for internal installation etc. for epcm 3 ( p-25 ) project at iocl panipat refinery as specified in material requisition. , hp h2s absorber & wash column ( tag no. 413-c-01 ) , lp h2s absorber ( tag no. 413-c-04 ) => limited