bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - wt 4966a g work of on line preventive & breakdown maintenance for boiler rotary parts of 500 mw of utps on as and when required basis; power house equipment; as per atc work of on line preventive & breakdown maintenance for boiler rotary parts of 500 mw unit - 6 of utps - as & when required basis. [1] for item sr. no. (1):- oil leakage checking and replacement of gauge/rtd/had of id/fd/pa fan as per instruction of eic. or item sr. no. (2):- checking and correction of id/pa/fd fan motor alignment or item sr. no. (2):- checking and correction of id/pa/fd fan motor alignment [4] measuring of id fan impeller radial & axial clearances, de bearing expansion gap and clearance & rectification if required as per scope of work & instruction of eic. (for item sr. no. 4). total quantity :