various jobs during upcoming overhauling at ahp-mm area of 215mw of unit 5 at btps.- 1 bottom ash hopper 2 bottom ash hopper jet pump nozzle-checking & servicing / replacement 3 feed gate, feed sump checking & servicing 4 bottom ash hopper refractory ( excluding materials ) replacement. 5 bottom ash hopper refractory cooling line maintenance ( 18 no. orifice plate checking / replacement with valve installation ) 6 bottom ash hopper jetting nozzle checking / servicing / replacement 7 clinker grinder overhauling 8 coarse ash hopper 9 coarse ash hopper o / l valve replacement 10 wet tower 11 air separator tank door fabrication with painting 12 throat piece replacement hydro vector 13 tail piece replacement of hydro vector 14 nozzle replacement of hydro vector 15 wet tower 16 dome velve ( 100 / 150 / 200 / 300 nb ) checking / servicing / replacement 17 plug valve ( 80nb ) replacement 18 glove valve 150 / 200 nb replacement 19 gate valve 200nb of pd pump replacement 20 knife gate valve 300nb servicing 21 material handling valve servicing / replacement 22 dry ash conveying line valve installation 23 fabrication work 24 coarse ash hopper 1” / 2” pipe line fabrication job 25 dry conveying pipe line different area fabrication work1 ) surge hopper checking &need to base servicing2 ) bottom hopper flange checking& gasket replacement10 nos 26 1 ) surge hopper checking &need to base servicing2 ) bottom hopper flange checking& gasket replacement10 nos 27 1 ) pd pump t fabrication ( 04 ) nos2 ) pd pump air line header ( 100nb&65nb ) de-metering &need to base fabrication work with painting3 ) service water line shade fabrication work. 28 cable tray support leg fabrication work in front of bottom hopper 29 cac compressor cooling water line replacement with valve & painting 30 vacuum line champing / support at different area 31 1 ) silo target box checking& need to base servicing work with ss liner plate.2 ) ahp-b pass bypass line approach for maintenance work. 32 wet tower gratings fabrication & ash water pump house checkerplate fabrication work 33 wet tower shade fabrication work with shade & painting ( shade provided vendor shade make-tata / sail / jindal ) 34 vacuum pump house ladder fabrication work with painting for overhauling of chain pulley block 35 pipe & bend 36 new erw pipe installation with flange fabrication work 37 300 nb ba slurry line checking, dismantling, rotation need based replacement including ash pond area 38 200 nb fly ash line checking, rotation & need based replacement &de-metering 39 200 nb ci bends / y piece checking and replacement & de-metering 40 pad & gasket 41 esp pad change, surge hopper pad change 42 total fly ash system line ( 200 nb ) gasket replacement ( hopper to ish, hopper to air separator tank 43 equipment 44 conveying compressor total overhauling job 45 vacuum pump total overhauling job 46 modification work 47 esp fluidised air line modification ( one no. branch ) 48 gst