bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - thermal power plant; annual overhauling of id/fd/pa fans of unit no 4 of 2 x 500 mw btps anpara; service provider - item no 01: - overhauling works of i.d. fan , replacement of journal bearing nde/de side of id fan , replacement of gear coupling of id/fd/pa fans (motor and fan rotor) , servicing & checking of journal bearing nde/de side. , servicing of lube oil console of idf , servicing & repairing of oil cooler of i.d. fan , checking and rectification of oil guard of i.d fans , alignment of id fan with motor/ hydraulic coupling , rectification of faults of auxiliary oil pumps of i.d. fan. , overhauling of hydraulic coupling of i.d. fan. , overhauling of mop of i.d. fan. , checking and rectification of the fault of igv system(both de and nde side) and its sealing system along with alignment , servicing of backup oil pump , erection of temporary scaffolding and providing assistance in complete internal inspection of impeller of both i.d. fans , item no 02:- works of p.a. fan , replacement of journal bearing nde/de sides of pa fans , servicing & checking of journal bearing nde/de side. , checking & servicing of lube oil system of p.a. fan. , servicing & repairing of oil cooler of p.a. fan , removal and rectification of p.a. fan oil pump coupling including alignment. , checking and rectification of oil guard of p.a. fans. , alignment of igv shaft of pa fan. , alignment of p.a. fan with motor , erection of temporary scaffolding and providing assistance in complete internal inspection of impeller of both p.a. fans , servicing of mop/ aop of pa fan , item no 03 :- works of f.d. fan , replacement of journal bearing nde/de sides of fd fans , servicing & checking of journal bearing nde/de side. , checking and rectification of oil guard of f.d. fans. , alignment of igv shaft of fd fan. , alignment of f.d. fan with motor , centrifuging of lubricating oil for p.a./ f.d. fans , erection of temporary scaffolding and providing assistance in complete internal inspection of impeller of both fd fans , repair of fan casing if required (where cracking) by welding of sail hard/carbon steel plate.