rate contract for supply of materials for repair of distribution transformers at electrical workshop for the year 2020-21-2 dpc copper winding wire ( round ) in sizes 11 to 22 swg 3 dpc copper strip of sizes for lv winding of distribution transformers 25 kva to 630 kva 4 se copper winding wire ( round ) in sizes 11 to 22 swg 5 dpc aluminium winding wire ( round ) in sizes from 12 to 20 swg 6 dpc aluminium strip of sizes for lv winding of distribution transformers 25 kva to 630 kva 7 se aluminium winding wire ( round ) in sizes 12 to 20 swg 8 dpc copper winding wire ( round ) in sizes 12 to 20 swg ( in exchange of one kg of scrap of salvaged conductor ) 9 dpc copper strip of sizes for lv winding of distribution transformers 25 kva to 630 kva ( in exchange of one kg of scrap of salvaged conductor ) 10 se copper winding wire ( round ) in sizes 11 to 22 swg ( in exchange of one kg of scrap of salvaged conductor ) 11 dpc aluminium winding wire ( round ) in sizes from 12 to 20 swg ( in exchange of one kg of scrap of salvaged conductor ) 12 dpc aluminium strip of sizes for lv winding of distribution transformers 25 kva to 630 kva ( in exchange of one kg of scrap of salvaged conductor ) 13 se aluminium winding wire ( round ) in sizes 12 to 20 swg ( in exchange of one kg of scrap of salvaged conductor ) 14 lv brass bush rods 12 mm 15 lv brass bush rods 20 mm 16 lv brass bush rods 25 mm 17 lv brass bush rods 30 mm 18 lv brass bush rods 12 mm 19 press card board soft calendared solid 1mm / 2mm / 3mm ( as per sample ) 20 press card board pre compressed solid 1mm / 2mm / 3mm. 21 ht insulating gum 22 glass wool sleeves of sizes 23 al brazing rod ( std.length ) 24 copper brazing rod ( standard length ) 25 flexible copper strip ( shim ) 75mmx0.5 mm 26 pvc sheets i mm thick 27 empire tape 1 28 electrical grade kraft paper.4 mil 29 lethoride paper 20 mil. 30 hv bushing 31 lv bushes 250 amp 32 lv bushes 630 amp 33 lv bushes 1000 amp 34 cotton tape 1 ( size ) 35 long. 35 nawar tape 1 ( size ) 35 long. 36 rubberized cork sheet 4 mm thick 2ftx3ft 37 rubberized cork sheet 3mm thick 2ftx3ft 38 bakelite tubes 12mm dia ( 1 mtr long ) 39 hv bush clamps ( ms ) 40 al. clamping member ( shoes ) for hv bushing 41 lv cork washers 12 mm dia 42 lv cork washers 20mm dia 43 lv cork washers 25 mm / 30 mm dia 44 nuts & bolts ( m.s ) of sizes. 45 m.s flat washers. 46 hv cork washers 110 mm o.d 47 aluminium welding flux 48 aluminium flat 4 / 6 / 8 / 10 mm thick of required 49 copper flat 4 / 6 / 8 / 10 mm thick of required width. 50 ms plug & caps 1 / 2 ; 3 / 4; / 1; 1.1 / 4; 1.1 / 2 51 oil seal rings ( o-rings ) for lv / hvbush rods 12 mm dia. 52 oil seal rings ( o.rings ) for lv / hv bush rods 20 mm dia 53 oil seal rings ( o.rings ) for lv / hv bush rods 25 mm dia 54 creep tape 1 55 cotton cloth 56 m4 grade crgo silicon steel core laminations / stampings duly insulation coated. of required size as per sample 57 empire sleeves of sizes 58 synthetic enamel paint smoke grey colour 59 paint thinner 60 steel primer 61 silica gel 62 transformer oil 63 welding rods 3.15 mm / 4mm.