overhauling of unit5 esp under ahp-em , btps , u#5 esp water washing , esp water washing , esp inspection , esp internal inspectionincludes inspection of cerm assemblies ( hammer , bearing , shaft ) , eerm assemblies ( hammer , bearing , shaft , gear assemblies ) , collecting plate , emitting electrode , gd screen , baffle plates etc , physical checking of insulators , all heater inspection , esp internal rectification , compulsory jobreplacement of cerm hammer assemblies: 25 nos replacement of cerm bearing assemblies: 10 nos replacement of eerm hammer assemblies: 25 nos replacement of eerm worm gear assemblies: 5 nos replacement of eerm bearing assemblies: 10 nos replacement of support insulator: 5 nos . replacement of torque insulator: 5 nos replacement of hopper heater: 10 nos replacement of antisway insulator: 6 nos greasing of all rotatory equipment . ( worm gear assemblies , cerm&eerm bearings etc ) gearbox oil change of all 52 nos of gearboxes . cleaning of all components and alignment checking . asbestos rope change of esp manholes at collecting rapping area , manholes at esp top , insulator box at esp top . asbestos rope will be supplied by btps authority . , optional job if required , replacement of cerm hammer , replacement of cerm bearing , replacement of cerm shaft , replacement of eerm hammer , replacement of eerm bearing , replacement of eerm shaft , replacement of eerm worm gear assemblies , replacement of support insulator , replacement of torque insulator , replacement of antisway insulator , replacement of support insulator heater , replacement of hopper heater , replacement of purge air heater , repairing of gd screen , painting , painting of different areaspainting of following areas:1 ) all esp doors . 2 ) all gear box and assemblies . 3 ) insulator box ( outer edge ) 4 ) 24 nos transformer base and shed structure . , gd test , gd test ( optional job ) , gst