repair and testing of 10- 250 kva damaged distribution transformers at c.t.r. workshop, gajraula- 1 shifting, dragging and stacking of damaged t / fs to be repaired in the workshop at proper place in cutting yard & pre-checking / physical inspection, testingof transformer before dismantling i.e. megger test ( if ok ) then hv test ( if ok ) then no-load & load losses tests as per instructions of junior engineer in charge. ( i ) 10 / 16 kva 2 ( ii ) 25 kva 3 ( iii ) 63 kva 4 ( iv ) 100 kva 5 ( v ) 160 kva 6 ( vi ) 250 kva 7 cutting of sealed t / fs top cover / opening of nut and bolt of damaged t / f cover plate, de- tanking of core coil assembly dismantling of hv&lv coils and other accessories, draining of t / f oil in sump well and weighing of scraps and shifting of all scrap to the store of je in charge. ( i ) 10 / 16 kva 8 ( ii ) 25 kva 9 ( iii ) 63 kva 10 ( iv ) 100 kva 11 ( v ) 160 kva 12 ( vi ) 250 kva 13 dismantling of core stampingand its cleaning ofdust and dirt. ( i ) 10 / 16 kva 14 ( ii ) 25 kva 15 ( iii ) 63 kva 16 ( iv ) 100 kva 17 ( v ) 160 kva 18 ( vi ) 250 kva 19 assembly of core coils and fitting of other accessories requiring replacement such as press board support spacers and tapping etc.and also cutting of insulation required for coil assembly. ( i ) 10 / 16 kva 20 ( ii ) 25 kva 21 ( iii ) 63 kva 22 ( iv ) 100 kva 23 ( v ) 160 kva 24 ( vi ) 250 kva 25 dragging of t / f tank to washing zone its cleaning by jet pump and washing by caustic soda shifting to open space for dryingproviding primer of red oxide on the inner and outer side of tank and painting inner side of t / fs including core channel and tie rod / core rods with heat proof zinc chromate paint and out side with two coats of synthetic grey enamel paint. the paint should be of asian / nerolec / burger / dulux / british make only. writing of puc / unique no. of transformer readable paint color with the help of stencils design. ( i ) 10 / 16 kva 26 ( ii ) 25 kva 27 ( iii ) 63 kva 28 ( iv ) 100 kva 29 ( v ) 160 kva 30 ( vi ) 250 kva 31 making of new hv coil from new wire / strip as per design of respective t / f ( complete job ) ( i ) 10 / 16 kva 32 ( ii ) 25 kva 33 ( iii ) 63 kva 34 ( iv ) 100 kva 35 ( v ) 160 kva 36 ( vi ) 250 kva 37 making of new lv coil from new wire / strip as per design of respective t / f ( complete job ) ( i ) 10 / 16 kva 38 ( ii ) 25 kva 39 ( iii ) 63 kva 40 ( iv ) 100 kva 41 ( v ) 160 kva 42 ( vi ) 250 kva 43 complete the core and coil assembly ( cca ) by fitting hv & lv coils required insulating material and shifting it to oven for de-moisture ( i ) 10 / 16 kva 44 ( ii ) 25 kva 45 ( iii ) 63 kva 46 ( iv ) 100 kva 47 ( v ) 160 kva 48 ( vi ) 250 kva 49 tanking of the complete core and coil assembly ( cca ) in to the painted tank safely, filling of reclaimed / centrifuged / fresh oil fitting of all accessories. ( i ) 10 / 16 kva 50 ( ii ) 25 kva 51 ( iii ) 63 kva 52 ( iv ) 100 kva 53 ( v ) 160 kva 54 ( vi ) 250 kva 55 welding / tightening of nut and bolts of top cover of repaired t / f by electric welding filling gap etc. properly including denting of tank if necessary and welding of ms plate 100x50x3 mm thick on the out side of the t / fs contain unique no., capacity, name of the workshop etc. at proper place. ( i ) 10 / 16 kva 56 ( ii ) 25 kva 57 ( iii ) 63 kva 58 ( iv ) 100 kva 59 ( v ) 160 kva 60 ( vi ) 250 kva 61 dragging the repaired t / f to the testing zone for final testing with necessary record and after testing it should be re dragged / stacked at despatch area. ( i ) 10 / 16 kva 62 ( ii ) 25 kva 63 ( iii ) 63 kva 64 ( iv ) 100 kva 65 ( v ) 160 kva 66 ( vi ) 250 kva 67 general cleaning of t&p / machinery and stacking of material at suitable place 68 general clearness of store testing room, workshop floor, oven area, generator room, in cutting area, tanking area, assembly area, painting area by wiping, booming and wooden dust properly to keep floor clean by engaging proper man power for cleaning works. as required for cleaning works