tender for major overhauling covering supply of spares, installation and commissioning of esp of unit 4 of 210mw capacity ggsstp, rupnagar to restore the mechanical health of esp.-inlet gd screen 2 inlet gd screen-primary layer 3 inlet gd screen-secondary layer 4 inlet gd guide vane 5 hopper gas screen 6 support for hopper gas screen (channel support 7 hopper gas screen for first 2 fields & last field 8 emitting electrode 9 emitting electrode-spiral 10 electrode stretcher 11 emitting rapping system 12 rapping shaft complete with sleeve & key 13 hammer assembly 14 adjusting ring 15 c.i.bearing 16 shim plate for c.i.bearing 17 emitting rapping driving arrangement 18 axial bearing (thrust bearing) 19 bearing plate(thrust pad) 20 bush bearing (excluding cage) 21 rapping shaft complete with sleeve & key 22 pin wheel-big & small 23 graphite bush 24 rapping endshaft with key 25 grip coupling set(shaft side + motor side) 26 inspection door of emitt. drive house 27 collecting electrodewith guide plate 28 collecting electrode @ 1.5mm thk. 29 guide plate for collecting electrode 30 shock bar 31 shockbar with anvil & fasteners 32 collecting rapping system 33 rapping shaft complete with sleeve & key (31 nos. holes) 34 rapping shaft complete with sleeve & key (30 nos. holes) 35 hammer assembly 36 adjusting ring 37 c.i.bearing 38 shim plate for c.i. bearing 39 stop lug 40 shock bar guide - non-rapping side 41 shock bar guide – rapping side 42 link rod front 43 link rod rear 44 sleeve for shock bar guide 45 collecting rapping drive arrgt. 46 clutch coupling set (shaft side+motor side) 47 insulation&cladding 48 insulation 49 electrical 50 shaft insulator heater 51 support insulator heater 52 hopper heater 53 thermostat 54 installation and service work 55 installation & service of above spare as per scope of work mentioned in section-viii including tests such as air load test, gas distribution test & rapping trial run