routine, preventive, and breakdown maintenance, operation, general upkeep and overhauling of plant air & instrument air compressor ihi ( japan ) make & its accessories and ventilation system installed at t.g. hall, switch gear rooms, c.w. pump house, compressor house, lifts machine rooms etc. of 2x500 mw btps anpara.”-2 daily / shift-wise maintenance of 07 no’s air compressors, compressed air system round the clock 3 part-b ( preventive & breakdown maintenance ) 4 preventive / breakdown maintenance of following equipment 5 inter-cooler / after-cooler 6 pre-filter and after-filter 7 dryer, valves & accessories 8 air receivers 9 preventive / breakdown maintenance of air compressors valves 10 inspection and attending leakage and breakdown of piston and cylinder liner of compressor. 11 lp / hp piston 12 lp / hp cylinder liner 13 servicing and attending fault of lub oil system including all parts e.g. filter cooler, strainer, pump pipe line. 14 decoupling, alignment and coupling of plant air compressor motor with compressor. 15 part - c ( overhauling maintenance of compressor ) 16 overhauling maintenance and trial run of following equipments. 17 plant air compressor 18 instrument air compressor 19 air dryer, pre-filter, after-filter 20 painting & polishing of following equipment after their overhauling. 21 plant air compressor 22 instrument air compressor 23 air dryer, pre-filter, after-filter 24 servicing, repairing of valve seats of valves & nrvs of instrument & plant air line. ( size-75mm-200mm ) 25 part-d ( routine maintenance work of ventilation system ) 26 operation of ventilation system / equipment installed at t.g. hall, switch gear rooms. cw pump house, compressor house, lifts machine rooms etc. of 2x500 mw btps anpara. ( except coal handling and simulator building ) 27 cleaning of aluminum viscous air filters covering whole area of btps except coal handling & training simulator of following sizes: 28 ( 600x600x25 ) , ( 600x500x25 ) , ( 500x500x25 ) mm 29 ( 600x300x25 ) mm 30 ( 300x300x25 ) mm 31 cleaning of dry fabric air filters ( inside ‘btps’ main building only ) of following sizes: - 32 ( 600x600x25 ) , ( 600x500x25 ) , ( 500x500x25 ) mm 33 ( 200x200x25 ) mm 34 cleaning of panels, birds’ screens, silencers, wall cowls, duct, grills etc. with equipment / system as per scope of work. 35 routine maintenance of ventilation system of dry fly ash system cleaning of fabric filter ( monthly ) 36 cleaning of metallic filter size:540mmx540mmx50mm ( 28x12 job ) 37 cleaning of fabric filter size:540mmx540mmx50mm ( 28x12 job ) 38 part - e ( breakdown maintenance of ventilation system ) 39 complete overhauling of following equipment ( without rewinding of motors ) 40 exhaust / supply centrifugal fans of capacity ranging from 1800 to 16500 cmh ( 0.75 to 5.5kw ) 41 exhaust / supply tube axial fans of capacity ranging from 116 to 21900 cmh ( 0.65 to 3.7 kw ) 42 exhaust / supply propeller fans of capacity ranging from 190 to 11400 cmh ( 0.2 to 1.5 kw ) 43 roof extractor unit fans of capacity ranging from 2700 to 48000cmh ( 0.4 to 7.5 kw 44 ventilation fan of dfa system ( 0.75 to 1.1 kw ) 45 repairing of fabric filters