mechanical jobs associated with catalyst sieving , testing of boiler system and replacement of damaged supports of converter internals in sa plant fact cd , during ata-2020 . , mechanical jobs associated with catalyst sieving , testing of boiler system and replacement of damaged supports of converter internals in sa plant fact cd , during ata-2020 . , cutting and removal of sampling line and manhole covers of converter beds . work involves: cut and remove the sampling lines , cutting and removal of manhole covers of catalyst beds to facilitate catalyst discharging , inspection , catalyst re-charging etc . fix back and full weld all covers , fix the sampling lines after catalyst charging . any repair work on the manhole area shall also be done . , arrangement of catalyst sieving machines and catalyst discharging pipes . arranging catalyst sieving machine along with dischage chute / pipe to converter beds ( to all 4 beds of converter if required ) , transportation , repair , modification if any of 2 numbers of sieving machines including system overhauling and replacement sieve mesh with new ( two types ) as per instruction to facilitate smooth discharging of catalyst . dismantle and transport back the sieving machine , piping arrangements to the earmarked area after the work and site cleaning . , replacement with new / repair of catalyst support grid of converter . collection of new catalyst grid from stores , replacement / repair of catalyst supporting grid , levelling of grids and and locking with steel wire as per instructions . transport the damaged grids to area earmarked . , replacement of converter grid supporting beam . cutting and removal and lowering of existing damaged converter grid supporting beam , repair of beam supporting area , collection of new beam from stores , lifting and erection of new beam , properly supporting and fixing the same as per the instruction of engineer-in-charge . transport the damaged beam as per instructions . , replacement of damaged supports of converter internals . collection of material from store fabricate , replace and full weld the damaged converter internal damaged grid supports , peripheral ring , partition plates , partition plate supports , central duct , and other internal supports after arranging necessary scaffolding and proper supports . cut and remove the existing damaged portions as per instruction of the engineer in charge . clear the site off scrap and transport the scrap to scrap yard . , testing of boiler systems: after getting clearence open the steam drum for cleaning and box up with proper gaskets after cleaning / inspection . transport hydro testing pump from the storage location , blind the required numbers of flanges , remove the required number of valves from the system , line up the pump with the boiler system , provide man power assistance for testing the system , remove the blinds after testing , refix the valves with proper gaskets / bolts and nuts , box up the flanges , dismantle and transport the testing pump to the storage location .