West Bengal State Electricity Distribution Company Limited - West Bengal

32517386 rate contract for repairing of damaged / defective distribution transformers of different type and capacity 1 supply of bushing in replacement of broken one as per is:3347 of 1979 & is: 2099 of 1986 and their latest amendment 2 33 kv 250 amps 3 12 kv 250 amps 4 12 kv 630 amps 5 1.1 kv 250 amps 6 1.1 kv 630 amps 7 1.1 kv 1000 amps 8 supply of studs for busing complete with nuts, washers and cap fittings according to requirement conforming to is:3347 of 1979 & is: 2099 of 1986 and their latest amendment 9 brass stud with brass fittings complete with nuts, washers & cap fittings 12 kv 250 amps 10 brass stud with brass fittings complete with nuts, washers & cap fittings 1.1 kv 250 amps 11 brass stud with brass fittings complete with nuts, washers & cap fittings 1.1 kv 630 amps 12 brass stud with brass fittings complete with nuts, washers & cap fittings 1.1 kv 1000 amps 13 aluminium stud with aluminium fittings complete with nuts, washers etc. 12 kv 250 amps 14 aluminium stud with aluminium fittings complete with nuts, washers etc. 1.1 kv 250 amps 15 copper stud with copper fittings complete with nuts etc. 12 kv 250 amps 16 copper stud with copper fittings complete with nuts etc. 1.1 kv 250 amps 17 copper stud with copper fittings complete with nuts etc. 1.1 kv 630 amps 18 copper stud with copper fittings complete with nuts etc. 1.1 kv 1000 amps 30 mm stud 19 copper stud with copper fittings complete with nuts etc. 1.1 kv 1000 amps 25 mm stud 20 brass stud with brass fittings complete with nuts, etc. 34 kv / 250 amps 21 copper stud with brass fittings complete with nuts etc. 34 kv / 250 amps 22 oil seal of bushing made of neoprene rubber 23 1.1 kv 250 amps 24 1.1 kv 630 amps 25 1.1 kv 1000 amps 26 12 kv 250 amps 27 33 kv 250 amps 28 supply of c.i. / m.s. clamp for fixing of ht bushing 29 33 kv busing 30 11 kv busing 31 supply of arcing horn assembly 32 33 kv single gap clamp 33 11 kv single gap clamp 34 supply of insulating materials for assembly 35 phase separator, spacers, axial ducts, cylinder’s core yoke insulation raman make sigma con. 3.1 pre compressed pressphan paper board 36 phase separator, spacers, axial ducts, cylinder’s core yoke insulation ”k” grade scnapatty white lay pre compressed press board with thickness of 0.75 mm 37 phase separator, spacers, axial ducts, cylinder’s core yoke insulation ”k” grade scnapatty white lay pre compressed press board with thickness of 1.5 to 3.2 mm 38 phase separator, spacers, axial ducts, cylinder’s core yoke insulation ”k” grade scnapatty white lay pre compressed press board with thickness of 5 mm 39 inter leaved insulating paper between the layers of the winding epoxy dotted kraft paper with thickness of 3 mil 40 inter leaved insulating paper between the layers of the winding epoxy dotted kraft paper with thickness of 4 mil 41 inter leaved insulating paper between the layers of the winding epoxy dotted kraft paper with thickness of 5 mil 42 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 10 kva to 25 kva 11 / 0.433 kv 3 ph. each transformers 43 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 50 / 63 kva transformers 44 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 100 / 160 kva transformers 45 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 250 kva transformers 46 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 300 / 315 kva transformers 47 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 500 kva transformers 48 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 630 kva transformers 49 other ( viz ampere tape, cotton tape, bakelite tube and sleeve rings ) for 100 kva 33 / 0.433 kv transformers 50 supply of neoprene rubberized gasket sheet 51 3 mm thickness 52 5 mm thickness 53 6 mm thickness 54 rotary switch with handle 55 250 kva 5 position 56 250 kva 7 position 57 315 kva 5 position 58 315 kva 7 position 59 500 kva 5 position 60 500 kva 7 position 61 630 kva 5 position 62 630 kva 7 position 63 supply of finished new e.c. grade copper conductor with insulation ( loss: max. 5% allowed ) 64 tpc 65 dpc 66 s.e. 67 supply of finished new e.c. grade copper strip dpc ( 50 sq. mm ) with insulation ( loss: max. 5% allowed ) 68 supply of finished new aluminium conductor coils / wires with insulation ( loss: max. 5% allowed ) 69 s.e. up to 25 kva 70 s.e. above 25 kva 71 tpc / dpc 72 supply of finished new aluminium strip dpc / tpc ( loss: max. 5% allowed ) 73 supply of m.s. bolts & nuts ( assorted size ) according to requirement ( size to be mentioned as per bs 916 bsw ) for all ratings 74 supply of hot trip galvanized nut, bolts & washers assorted size for all ratings 75 supply of silica gel breather with container and first filling 76 10 25 kva 11 / 6.6 / 6 / 0.4 kv 77 50 / 63 kva 11 / 6.6 / 6 / 0.4 kv 78 100 / 160 kva 11 / 6.6 / 6 / 0.4 kv 79 250 kva 11 / 6.6 / 6 / 0.4 kv 80 315 kva 11 / 6.6 / 6 / 0.4 kv 81 500 / 630 kva 11 / 6.6 / 6 / 0.4 kv 82 supply of new cooling round pipe including welding & fittings 83 supply of drain valve / filter valve with plug in replacement of old one 84 1 / 4” 85 3 / 4” 86 1” 87 1 1 / 4” 88 1 1 / 2” 89 2” 90 base plate with fixing / name plate with fixing / dtr indexing 91 base plate with fixing ( the base plate is to be made of m.s. material 2.5 mm thick measuring 6”x4” to be fixed with the body of the transformer tank suitably by continues welding on tank body ) 92 name plate with fixing: ( the name plate is to be made of anodized aluminum 0.6 mm thick measuring 4”x2”. the name plate is to be fixed on the base plate by machine screws and welded. the name plate should indicate the following ) name of the repairer’s firm / name of the store where from received / make / serial no. / voltage ratio / kva ratings / % impedance at 75°c / load loss at 100% loading / no load loss at rated voltage & freq. / total loss at 50% loading ( if applicable ) / date of test ( the above particulars are to be letter punched on the name plate. the general lettering should be attached on aluminiumplate and anodized ) 93 dtr indexing ( as per instruction of ordering officer ) as per circular by the director ( dist ) communicated vide memo no. director ( dist ) / b 6 / 2 ( 1 52 ) & ( 53 78 ) , dated 15.01.09 94 joint preliminary / final survey and preparation of report together with estimate of repair work involved ( to be submitted in quadruplicate ) 95 10 kva / 16 kva / 25 kva / , 11 / 6.6 / 6 / 0.433 kv 96 50 kva / 63 kva, 11 / 6.6 / 6 / 0.433 kv 97 100 / 160 kva, 11 / 6.6 / 6 / 0.433 kv 98 250 kva, 11 / 6.6 / 6 / 0.433 kv 99 315 kva, 11 / 6.6 / 6 / 0.433 kv 100 500 kva / 630 kva, 11 / 6.6 / 6 / 0.433 kv 101 50 kva, 33 / 0.433 kv 102 100 kva, 33 / 0.433 kv 103 250 kva, 33 / 0.433 kv 104 re assembly of transformer found condemned after inspection 105 10 kva / 16 kva / 25 kva / , 11 / 6.6 / 6 / 0.433 kv 106 50 kva / 63 kva, 11 / 6.6 / 6 / 0.433 kv 107 100 / 160 kva, 11 / 6.6 / 6 / 0.433 kv 108 250 kva, 11 / 6.6 / 6 / 0.433 kv 109 315 kva, 11 / 6.6 / 6 / 0.433 kv 110 500 kva / 630 kva, 11 / 6.6 / 6 / 0.433 kv 111 50 kva, 33 / 0.433 kv 112 100 kva, 33 / 0.433 kv 113 250 kva, 33 / 0.433 kv 114 labour charges for preparation and fittings of new copper coil in replacement of damaged ones by providing inter layer insulation ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 115 11 / 6.6 / 6 kv coils hv coils insulation tpc 116 11 / 6.6 / 6 kv coils hv coils insulation dpc 117 11 / 6.6 / 6 kv coils hv coils insulation se 118 33 kv coils hv coils insulation tpc 119 33 kv coils hv coils insulation dpc 120 33 kv coils hv coils insulation se 121 400 volts coils lv coil insulation dpc ( round ) 122 400 volts coils lv coil insulation dpc ( rectangular ) 123 labour charges for rewinding of existing copper conductor 124 labour charges for rewinding with re insulation of existing copper conductor with replacement of inter layer insulation ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 33 kv coil: tpc / dpc 125 labour charges for rewinding with re insulation of existing copper conductor with replacement of inter layer insulation ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 11 kv 6.6 kv coil: dpc / tpc 126 labour charges for rewinding without re insulation of existing copper conductor 33 kv coil: tpc / dpc 127 labour charges for rewinding without re insulation of existing copper conductor 11 kv 6.6 kv coil: dpc / tpc 128 labour charges for rewinding with re insulation with inter layer insulation of old lv ( 400 / 415 / 433 volts ) copper coil with ducting ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 129 lv coils insulation dpc ( round ) 130 lv coils insulation dpc ( rectangular ) 131 labour charges for preparation and fitting of finished new aluminium coil by providing new inter layer insulation 132 11 kv 6.6 / 6 kv coils insulation dpc ( round ) 133 11 kv 6.6 / 6 kv coils insulation se ( round ) 134 400 volts coils ( with ducting ) insulation dpc ( round ) 135 400 volts coils ( with ducting ) insulation dpc ( rectangular ) 136 labour charges for rewinding with replacement of inter layer insulation of old aluminium wire : 11 / 6.6 kv coils ( dpc / tpc ) ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 137 labour charges for rewinding with re insulation of existing 400 volts aluminium coils by providing new inter layer insulation with ducting ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 138 re assembly and boxing up of core and coil after through cleaning, drying and reconnection of coils including testing charges ( double voltage double frequency test included ) 139 10 / 16 / 25 kva, 11 / 6.6 / 6 / 0.433 kv 140 50 / 63 kva, 11 / 6.6 / 6 / 0.433 kv 141 100 / 160 kva, 11 / 6.6 / 6 / 0.433 kv 142 250 kva, 11 / 6.6 / 6 / 0.433 kv 143 315 kva, 11 / 6.6 / 6 / 0.433 kv 144 500 / 630 kva, 11 / 6.6 / 6 / 0.433 kv 145 50 kva, 33 / 0.433 kv 146 100 kva, 33 / 0.433 kv 147 250 kva, 33 / 0.433 kv 148 external painting of transformers 149 10 / 16 / 25 kva, 11 / 6.6 / 6 / 0.433 kv 150 50 / 63 kva, 11 / 6.6 / 6 / 0.433 kv 151 100 / 160 kva, 11 / 6.6 / 6 / 0.433 kv 152 250 kva, 11 / 6.6 / 6 / 0.433 kv 153 315 kva, 11 / 6.6 / 6 / 0.433 kv 154 500 / 630 kva, 11 / 6.6 / 6 / 0.433 kv 155 50 kva, 33 / 0.433 kv 156 100 kva, 33 / 0.433 kv 157 250 kva, 33 / 0.433 kv 158 transformer tank repairing charges for electrical welding 159 gas cutting of lit of sealed type transformer 160 filtration of insulating oil at suitable temperature in steam line type filter machine new / reclaimed oil ( process loss 2% ) 161 joint preliminary / final survey and preparation of report together with estimate of repair work involved ( to be submitted in quadruplicate ) 162 10 kva / 16 kva / 25 kva, 11 / 6.6 / 6 / 0.433 kv 163 50 kva / 63 kva, 11 / 6.6 / 6 / 0.433 kv 164 re assembly of transformer found condemned after inspection 165 10 kva / 16 kva / 25 kva, 11 / 6.6 / 6 / 0.433 kv 166 50 kva / 63 kva, 11 / 6.6 / 6 / 0.433 kv 167 labour charges for preparation and fittings of new copper coil in replacement of damaged ones by providing inter layer insulation ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 168 11 / 6.6 / 6 kv coils hv coils insulation se 169 400 volts coils lv coil insulation dpc ( round ) 170 400 volts coils lv coil insulation dpc ( rectangular ) 171 labour charges for rewinding with re insulation with inter layer insulation of old lv ( 400 / 415 / 433 volts ) copper coil with ducting ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 172 lv coils insulation dpc ( round ) 173 lv coils insulation dpc ( rectangular ) 174 labour charges for preparation and fitting of finished new aluminium coil by providing new inter layer insulation 175 11 kv 6.6 / 6 kv coils insulation se ( round ) 176 400 volts coils ( with ducting ) insulation dpc ( round ) 177 400 volts coils ( with ducting ) insulation dpc ( rectangular ) 178 labour charges for rewinding with re insulation of existing 400 volts kv aluminium coils by providing new inter layer insulation with ducting ( inter layer insulation material is to be used as per recommendation of manufacturer of insulating material ) 179 re assembly and boxing up of core and coil after thorough cleaning, drying and reconnection of coils including testing charges ( double voltage double frequency test included ) 180 10 / 16 / 25 kva, 11 / 6.6 / 6 / 0.433 kv 181 50 / 63 kva, 11 / 6.6 / 6 / 0.433 kv 182 external painting transformers 183 10 / 16 / 25 kva, 11 / 6.6 / 6 / 0.433 kv 184 50 / 63 kva, 11 / 6.6 / 6 / 0.433 kv 185 transformer tank repairing charges for electrical welding 186 gas cutting of lit of sealed type transformer 187 filtration of insulating oil at suitable temperature in steam line type filter machine new / reclaimed oil ( process loss 2% ) ...

Metal Scrap Trading Corporation Limited - West Bengal

31748018 auction sale of1 aluminum scrap cond. coil 2 copper aluminum coil scrap 3 copper scrap 4 defective compressor ac 5 defective stabilizer cu/alu 6 electric scrap 7 foamed cabinet 8 motor cu/alu 9 ms scrap grade 2 10 pcb/remote 11 plastic scrap 12 refrigerator compressor 13 scrap iron 14 stainless steel scrap ss304/ss202 15 water cooler tanks with ss panels various sizes 16 air conditioner piece basis...

Broadcasting Copr Of India - West Bengal

22268419 operation and maintenance of 4 x 90 tr capacity a c plant 2 x 7point5 tr capacity air cooled a c plant 32000c f m capacity forced ventilation system i c type a c and split unit at srfti kolkata for the year 2019 20 sh rewinding of 125 hp 3 phase induction motor7point5 tr capacity compressor motor replacement of damaged aluminium coil by copper coil overhauling of chiller pump replacement of defective spares accessories for cac plant etc complete as required...

Bridge And Roof Company I Limited - West Bengal

14816259 tender for manufacturing, testing, inspection, supply & delivery of polyethylene film coated aluminium coil for our iocl piping site (dcu & cgot unit) of aishwarya project, haldia, west bengal....