tender for patch / repair / modification works on various equipments , vessels , ducts , conveyor chutes etc . in offsite area and np plant , fact-cd ., tender for 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 . 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 and fixing 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 . , 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 and fixing 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 .