work contract for aoh of electrical equipments of unit no. 5, 1x500mw, at sgtps, mppgcl, birsinghpur.- 1 generator misc works in generator overhauling:- 2 cleaning / painting of bus duct pressurization unit 3 h2 purging after unit shutdown & h2 refilling before of unit light up. 4 cleaning / painting of h2 drier 5 transformers : general overhaulingof ht transformers -generating transformer 6 cleaning / washing of transformers & gt cooler banks 7 terminal tightness 8 inspection of seal of bushing, insulators, terminal bushings etc. 9 overhauling of fan & pumpmotors 10 station transformer 11 cleaning / washing of transformers & gt cooler banks 12 terminal tightness 13 inspection of seal of bushing, insulators, terminal bushings etc. 14 overhauling of fan & pumpmotors 15 inter-connecting transformer - 16 cleaning / washing of transformers & gt cooler banks 17 terminal tightness 18 inspection of seal of bushing, insulators, terminal bushings etc. 19 overhauling of fan & pumpmotors 20 unit auxiliary transformer - 21 cleaning / washing of transformers & gt cooler banks 22 terminal tightness 23 inspection of seal of bushing, insulators, terminal bushings etc. 24 overhauling of fan & pumpmotors 25 neutral grounding panel ( gen., st, uats ) - 26 cleaning / inspection / painting 27 painting of transformer oil storage tank - 28 transformer oil storage tank 18 kl capacity 29 painting of transformer identification board and letter writing 30 general overhauling of lt transformers cleaning, washing, tightness if terminals, inspection of seal of bushing, insulators, terminal bushings of following : lt dry type transformers - 31 cleaningof transformers 32 painting of transformers 33 terminal tightnes, inspection of seal of bushing, insulators, terminal bushings, etc 34 lt oil filled transformers - 35 cleaningof transformers 36 terminal tightnes, inspection of seal of bushing, insulators, terminal bushings, etc 37 switchyard : 38 bay equipments: ct / pt / la, circuit breakers, isolators, marshalling box, mom box, earth switch etc. cleaning and painting, terminal tightness ( 220kv switchyard bay no. 23 & 24 ) 39 bay equipments: ct / pt / cvt / la, circuit breakers, isolators, marshalling box, mom box, earth switch etc. cleaning and painting, terminal tightness ( 400kv switchyard ) 40 circuit breaker platform cleaning and painting 41 circuit breaker platform and identification board cleaning and painting 42 bus ducts : inspection, tightness, cleaning, painting and replacement of insulators ( if required ) 43 21 kv gen bus duct 44 11 kv station bus duct 45 6.6 kv uat / station bus duct 46 lt transformer bus duct 47 esp : 48 ltmsb, acp buses & mcc ( cleaning , tightness & complete inspection of all buses ) 49 cleaning , tightness work in ec panel 50 repairing ofec panel 51 cleaning & resistance checking of heaters, replacement of faulty esp hopper heaters 52 servicing / replacement of shaft insulator heating elements 53 servicing / replacement of support insulator heating elements 54 general overhauling oftr ( transformer rectifier ) set 55 ht switchgear ( 11 / 6.6 kv ) 56 bus cleaning , tightness & complete inspection of all buses. 57 breaker cleaning, tightness & operation checking 58 415v ltswbd / mcc / acdb / switchgear panel : 59 bus cleaning , tightness & complete inspection of all buses 60 breaker / module servicing, tightness & operation checking 61 bop switchgears panel : 62 bus cleaning , tightness & complete inspection of all buses 63 breaker / module servicing & operation checking 64 bop local control panels / wall mounted panels- 65 breaker / module servicing & operation checking 66 power house lighting & power supply - 67 cleaning , tightness & complete inspection of all lightning transformers & ldb 68 providing power supply as per site requirement & for other maintenance work of bmd, tmd etc.round oclock 69 lighting circuits in tg, boiler, switchgear, wt plant, dm plant, fuel oil building 70 ht motors ( servicing of ht motors ) 71 cleaning , tightness, bearing inspection , greasing etc. 72 painting of ht motors 73 nomenclature of motors 74 complete overhauling of ht motor ( upto 1000 kw ) 75 complete overhauling of ht motor ( above 1000 kw ) 76 ht motor cooler ( general inspection & cleaning ) 77 painting of canopy / shed of ht motors 78 lt motors servicing 79 motors above 40 kw 80 motor 40 kw to 11 kw 81 motors 10 kw to 5.5 kw 82 motors 5 kw to 1.1 kw 83 motors 1 kw and below 84 lt motors overhauling:- 85 motors above 40 kw 86 motor 40 kw to 11 kw 87 motors 10 kw to 5.5 kw 88 motors 5 kw to 1.1 kw 89 motors 1 kw and below 90 servicing of battery bank / charger / dcdb : 91 servicing of unit / station / switchyard battery set 92 cleaning / servicing of 220 v dc db 93 cleaning / servicing of 220 v dc solenoid valve db 94 servicing of soot blowers :