patch / repair / modification works on various equipments, vessels, ducts, conveyor chutes etc. in offsite area and np plant, fact-cd. - patch / repair / modification works on various equipments, vessels, ducts, conveyor chutes etc. in offsite area and np plant, fact-cd. 2 patch / repair / modification works on various equipments, vessels, ducts, conveyor chutes etc. with ms plate. work involves: collection and transportation of ms plates [ 6mm to 12mm thk. ] and required materials from cd - stores. patch / repair / modification works on various equipments, vessels, scrubber inlet ducts, elevator / conveyors casing / shell, day tank shell / roof, wagon / product conveyor chutes, bungers etc. shall be done properly to meet the site requirement. cutting, shaping / bending andfixing of new plates shall be done after the removal of existing damaged ms plates. proper welding and grinding shall be done as per the instruction of engineer in charge to suit with the site condition. 3 patch / repair / modification works on various equipments, vessels, ducts, conveyor chutes etc. with ss plate.work involves: collection and transportation of ss plates [ 6mm / 12mm thk. ] and required materials from cd - stores. patch / repair / modification works on various ss equipments, vessels, ducts, shell, wagon / conveyor chutes etc. shall be done properly to meet the site requirement. cutting, shaping / bending andfixing of new plates shall be done after the removal of existing damaged ss / ms plates. proper welding and grinding shall be done as per the instruction of officer incharge to suit with the site condition. => limited