Tender For Repairing And Reconditioning Of 110 Kv Class Sick Power Transformers Of Various Capacities Available Within The Jurisdiction Of Transmission Projects-I/Chennai Region And Erection At Alloted Ss After Rectification For A Period Of Two Years
Tender Value
20 Crore
Estimated cost
Bid Submission
21 Oct 2026
18 days left
EMD
18 Lakhs
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Chennai → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repairing And Reconditioning Of 110 Kv Class Sick Power Transformers Of Various Capacities Available Within The Jurisdiction Of Transmission Projects-I/Chennai Region And Erection At Alloted Ss After Rectification For A Period Of Two Years.
BOQ
| Sl. No. | Item Description |
| 1 | Supply of materials & Labour Charges for 10 MVA Power Transformer |
| 2 | Supply of materials & Labour Charges for 16 MVA Power Transformer |
| 3 | Supply of materials & Labour Charges for 25 MVA Power Transformer |
| 4 | Supply of materials & Labour Charges for 50 MVA Power Transformer |
| 5 | HV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 6 | LV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 7 | Core bolt with insulation/Tie band |
| 8 | Insulating materials |
| 9 | HV bushings with metal parts |
| 10 | LV bushings with metal parts |
| 11 | 1000 Amps |
| 12 | 2000 Amps |
| 13 | HV bushing connector |
| 14 | LV bushing connector (Bi-metallic connector complete set) |
| 15 | M20 for single zebra |
| 16 | M30 for single zebra |
| 17 | M40 for single zebra |
| 18 | M50 for single zebra |
| 19 | Core Lamination sheets |
| 20 | Oil Temperature Indicator |
| 21 | Winding Temperature Indicator |
| 22 | Magnetic oil Gauge |
| 23 | Buchholz Relay |
| 24 | Butterfly valve |
| 25 | Neoprene Gasket |
| 26 | New Transformer Oil |
| 27 | Silicagel indicating type breather |
| 28 | OLTC transition resistance |
| 29 | Bushing CTs |
| 30 | HV CT |
| 31 | LV CT |
| 32 | Winding CTs |
| 33 | PRV (Main tank/OLTC) |
| 34 | Surge Relay to match the existing make(BHEL/CTR/OLG/NGEF/TELK) |
| 35 | Cooling Pump |
| 36 | Transformer wheels |
| 37 | Radiators |
| 38 | Contactors |
| 39 | DC Contactors |
| 40 | AC Contactors |
| 41 | Remote/ Local switches |
| 42 | Heater/Thermostat |
| 43 | Heater switch |
| 44 | Step down transformer of 415/110V |
| 45 | Time Delay Relay |
| 46 | Selector switches |
| 47 | Tap position indicators |
| 48 | New RTCC panel |
| 49 | Ladder |
| 50 | OLTC operating handle |
| 51 | Motor rewinding |
| 52 | Single phase preventer |
| 53 | Wheel shaft |
| 54 | Wheel valves 25mm |
| 55 | Wheel valves 40mm |
| 56 | Wheel valves 80mm |
| 57 | LV rod with Nut, washer, cup |
| 58 | HV bushing stem |
| 59 | M-Box door beading |
| 60 | HV Thimble and cotter pin |
| 61 | Door lock and beading |
| 62 | Fuse carrier |
| 63 | Terminal block |
| 64 | Base plate with gland hole |
| 65 | Tap changer raise lower push button |
| 66 | Door lock |
| 67 | Hooter/Buzzer |
| 68 | Annunciator window |
| 69 | 16 window |
| 70 | 20 window |
| 71 | 24 window |
| 72 | Cooling fan blade |
| 73 | MCB Pole (4) |
| 74 | MCB Pole (3) |
| 75 | MCB pole (2) |
| 76 | Cooling fan bearing |
| 77 | Control Cables |
| 78 | 4x2.5 sqmm |
| 79 | 8x2.5 sqmm |
| 80 | 14x2.5 sqmm |
| 81 | 20x2.5 sqmm |
| 82 | 4x4 sqmm |
| 83 | 8x4 sqmm |
| 84 | Cable glands |
| 85 | Oil Flow Indicator |
| 86 | Marshalling box- Door glass |
| 87 | DM -Box Door glass |
| 88 | Door glass beading |
| 89 | Thermostat switch |
| 90 | Cable gland |
| 91 | Neutral MS flat 65x10 mm |
| 92 | Support insulator-33kv/22kV PT insulator |
| 93 | HV connecting clamp terminal suitable for 145kV 800A bushing & (90mm) 3\\" IPS Al busbat with 2 copper flexible wires and bimetallic sheets for flexible end lugs as per IS:5561 |
| 94 | 110kV bushing pin |
| 95 | Retrieving switch |
| 96 | LV terminal brass clamp with SS screw washer, nuts and bimetallic sheets |
| 97 | 36kV 2000A(M40) |
| 98 | 36kV 800A (M30) |
| 99 | 36kV 630A (M20) |
| 100 | LV terminal Aluminium connector with screw washers nuts as per IS 5561 |
| 101 | Single zebra take off Al clamp |
| 102 | Double zebra take off Al clamp |
| 103 | CT terminal board. (Damaged terminal board are to be converted to bushing type) |
| 104 | Link plate per phase |
| 105 | M16 x 120mm brass stud for link board 6 nuts + 4 spring washer |
| 106 | Fasteners MS cadmium plated of various sizes with 2 nos. washers |
| 107 | Disconnecting TB - M4 stud type |
| 108 | Add on block - 2 NO & 2 NC |
| 109 | Selector switch knob |
| 110 | HV bushing Terminal (Timble) Tinned copper |
| 111 | M30 for 245kV bushing |
| 112 | M30 for 145kV bushing |
| 113 | FRP tube |
| 114 | DM box 3ph motor |
| 115 | Resistor assembly in DM box for Remote tap position indicator |
| 116 | LV porcelain bushing 33kV/2000A |
| 117 | Fan guard suitable for 600mm Industrial type cooling fan |
| 118 | Master follower switch |
| 119 | Surge ring |
| 120 | Cooler bank valve cap |
| 121 | Radiator tie band |
| 122 | Neutral link(Omega) |
| 123 | Neutral bushing |
| 124 | OLTC Dova oil seal full set |
| 125 | Dismantling the accessories and drain Oil upto the required level |
| 126 | Charges for transporting transformer along with accessories from the site to the firm's works |
| 127 | Insurance for transit and storage period at firm’s works (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 128 | Loading charges at site |
| 129 | Unloading charges at firm's works |
| 130 | Removal of defective coil after dismantling yoke channel and laminations |
| 131 | Charges for detailed examination of transformer towards identification of defects |
| 132 | Fixing of healthy coil including insulation materials and fixing of lamination & yoke Channel |
| 133 | Bracing, tapping, take off leads of new winding and formation of star connections & fixing frame |
| 134 | Reconditioning of oil |
| 135 | Preliminary drying out of core and winding at hot air chamber |
| 136 | Overhauling of OLTC mechanism & contacts and testing the same |
| 137 | Cleaning of tank, overhauling the radiators including welding charges, conservator, Buchholz Relay test & renewal ofgaskets |
| 138 | Core and winding tanking and connecting to tapping leads and fixing metal parts of both HV& LV. |
| 139 | Checking of healthiness of wiring in DM Box, Marshalling box, RTCC panel and Rewiring, if required. (Including replacement of if any damaged/missing indicator lamp, door lamp, holder, selector push button ) |
| 140 | Testing of relay contact at the time Of final inspection |
| 141 | Modification of turrets, wherever Required |
| 142 | Testing of CTs (ratio, knee point voltage Required etc.) at the time of final inspection |
| 143 | Fabrication of pipelines, MS rinf, yoke channel, MS channel |
| 144 | Top cover fixing and assembly of HV and LV bushings |
| 145 | IR value improvement |
| 146 | Painting of transformer (outside) with Red oxide primer at Factory/works and final enamel painting at allotted site before commissioning |
| 147 | Transport of repaired unit and accessories from firm's works to the allotted site |
| 148 | Insurance for transit & 90 days storage at site (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 149 | Loading charges at firm's works |
| 150 | Unloading charges of the repaired unit at the allotted site |
| 151 | Re-insulation of coils |
| 152 | HV coil |
| 153 | LV coil |
| 154 | HV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 155 | LV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 156 | Core bolt with insulation/Tie band |
| 157 | Insulating materials |
| 158 | HV bushings with metal parts |
| 159 | LV bushings with metal parts |
| 160 | 1000 Amps |
| 161 | 2000 Amps |
| 162 | HV bushing connector |
| 163 | LV bushing connector (Bi-metallic connector complete set) |
| 164 | M20 for single zebra |
| 165 | M30 for single zebra |
| 166 | M40 for single zebra |
| 167 | M50 for single zebra |
| 168 | Core Lamination sheets |
| 169 | Oil Temperature Indicator |
| 170 | Winding Temperature Indicator |
| 171 | Magnetic oil Gauge |
| 172 | Buchholz Relay |
| 173 | Butterfly valve |
| 174 | Neoprene Gasket |
| 175 | New Transformer Oil |
| 176 | Silicagel indicating type breather |
| 177 | OLTC transition resistance |
| 178 | Bushing CTs |
| 179 | HV CT |
| 180 | LV CT |
| 181 | Winding CTs |
| 182 | PRV (Main tank/OLTC) |
| 183 | Surge Relay to match the existing make(BHEL/CTR/OLG/NGEF/TELK) |
| 184 | Cooling Pump |
| 185 | Transformer wheels |
| 186 | Radiators |
| 187 | Contactors |
| 188 | DC Contactors |
| 189 | AC Contactors |
| 190 | Remote/ Local switches |
| 191 | Heater/Thermostat |
| 192 | Heater switch |
| 193 | Step down transformer of 415/110V |
| 194 | Time Delay Relay |
| 195 | Selector switches |
| 196 | Tap position indicators |
| 197 | New RTCC panel |
| 198 | Ladder |
| 199 | OLTC operating handle |
| 200 | Motor rewinding |
| 201 | Single phase preventer |
| 202 | Wheel shaft |
| 203 | Wheel valves 25mm |
| 204 | Wheel valves 40mm |
| 205 | Wheel valves 80mm |
| 206 | LV rod with Nut, washer, cup |
| 207 | HV bushing stem |
| 208 | M-Box door beading |
| 209 | HV Thimble and cotter pin |
| 210 | Door lock and beading |
| 211 | Fuse carrier |
| 212 | Terminal block |
| 213 | Base plate with gland hole |
| 214 | Tap changer raise lower push button |
| 215 | Door lock |
| 216 | Hooter/Buzzer |
| 217 | Annunciator window |
| 218 | 16 window |
| 219 | 20 window |
| 220 | 24 window |
| 221 | Cooling fan blade |
| 222 | MCB Pole (4) |
| 223 | MCB Pole (3) |
| 224 | MCB pole (2) |
| 225 | Cooling fan bearing |
| 226 | Control Cables |
| 227 | 4x2.5 sqmm |
| 228 | 8x2.5 sqmm |
| 229 | 14x2.5 sqmm |
| 230 | 20x2.5 sqmm |
| 231 | 4x4 sqmm |
| 232 | 8x4 sqmm |
| 233 | Cable glands |
| 234 | Oil Flow Indicator |
| 235 | Marshalling box- Door glass |
| 236 | DM -Box Door glass |
| 237 | Door glass beading |
| 238 | Thermostat switch |
| 239 | Cable gland |
| 240 | Neutral MS flat 65x10 mm |
| 241 | Support insulator-33kv/22kV PT insulator |
| 242 | HV connecting clamp terminal suitable for 145kV 800A bushing & (90mm) 3\\" IPS Al busbat with 2 copper flexible wires and bimetallic sheets for flexible end lugs as per IS:5561 |
| 243 | 110kV bushing pin |
| 244 | Retrieving switch |
| 245 | LV terminal brass clamp with SS screw washer, nuts and bimetallic sheets |
| 246 | 36kV 2000A(M40) |
| 247 | 36kV 800A (M30) |
| 248 | 36kV 630A (M20) |
| 249 | LV terminal Aluminium connector with screw washers nuts as per IS 5561 |
| 250 | Single zebra take off Al clamp |
| 251 | Double zebra take off Al clamp |
| 252 | CT terminal board. (Damaged terminal board are to be converted to bushing type) |
| 253 | Link plate per phase |
| 254 | M16 x 120mm brass stud for link board 6 nuts + 4 spring washer |
| 255 | Fasteners MS cadmium plated of various sizes with 2 nos. washers |
| 256 | Disconnecting TB - M4 stud type |
| 257 | Add on block - 2 NO & 2 NC |
| 258 | Selector switch knob |
| 259 | HV bushing Terminal (Timble) Tinned copper |
| 260 | M30 for 245kV bushing |
| 261 | M30 for 145kV bushing |
| 262 | FRP tube |
| 263 | DM box 3ph motor |
| 264 | Resistor assembly in DM box for Remote tap position indicator |
| 265 | LV porcelain bushing 33kV/2000A |
| 266 | Fan guard suitable for 600mm Industrial type cooling fan |
| 267 | Master follower switch |
| 268 | Surge ring |
| 269 | Cooler bank valve cap |
| 270 | Radiator tie band |
| 271 | Neutral link(Omega) |
| 272 | Neutral bushing |
| 273 | OLTC Dova oil seal full set |
| 274 | Dismantling the accessories and drain Oil upto the required level |
| 275 | Charges for transporting transformer along with accessories from the site to the firm's works |
| 276 | Insurance for transit and storage period at firm’s works (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 277 | Loading charges at site |
| 278 | Unloading charges at firm's works |
| 279 | Removal of defective coil after dismantling yoke channel and laminations |
| 280 | Charges for detailed examination of transformer towards identification of defects |
| 281 | Fixing of healthy coil including insulation materials and fixing of lamination & yoke Channel |
| 282 | Bracing, tapping, take off leads of new winding and formation of star connections & fixing frame |
| 283 | Reconditioning of oil |
| 284 | Preliminary drying out of core and winding at hot air chamber |
| 285 | Overhauling of OLTC mechanism & contacts and testing the same |
| 286 | Cleaning of tank, overhauling the radiators including welding charges, conservator, Buchholz Relay test & renewal ofgaskets |
| 287 | Core and winding tanking and connecting to tapping leads and fixing metal parts of both HV& LV. |
| 288 | Checking of healthiness of wiring in DM Box, Marshalling box, RTCC panel and Rewiring, if required. (Including replacement of if any damaged/missing indicator lamp, door lamp, holder, selector push button ) |
| 289 | Testing of relay contact at the time Of final inspection |
| 290 | Modification of turrets, wherever Required |
| 291 | Testing of CTs (ratio, knee point voltage Required etc.) at the time of final inspection |
| 292 | Fabrication of pipelines, MS rinf, yoke channel, MS channel |
| 293 | Top cover fixing and assembly of HV and LV bushings |
| 294 | IR value improvement |
| 295 | Painting of transformer (outside) with Red oxide primer at Factory/works and final enamel painting at allotted site before commissioning |
| 296 | Transport of repaired unit and accessories from firm's works to the allotted site |
| 297 | Insurance for transit & 90 days storage at site (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 298 | Loading charges at firm's works |
| 299 | Unloading charges of the repaired unit at the allotted site |
| 300 | Re-insulation of coils |
| 301 | HV coil |
| 302 | LV coil |
| 303 | HV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 304 | LV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 305 | Core bolt with insulation/Tie band |
| 306 | Insulating materials |
| 307 | HV bushings with metal parts |
| 308 | LV bushings with metal parts |
| 309 | 1000 Amps |
| 310 | 2000 Amps |
| 311 | HV bushing connector |
| 312 | LV bushing connector (Bi-metallic connector complete set) |
| 313 | M20 for single zebra |
| 314 | M30 for single zebra |
| 315 | M40 for single zebra |
| 316 | M50 for single zebra |
| 317 | Core Lamination sheets |
| 318 | Oil Temperature Indicator |
| 319 | Winding Temperature Indicator |
| 320 | Magnetic oil Gauge |
| 321 | Buchholz Relay |
| 322 | Butterfly valve |
| 323 | Neoprene Gasket |
| 324 | New Transformer Oil |
| 325 | Silicagel indicating type breather |
| 326 | OLTC transition resistance |
| 327 | Bushing CTs |
| 328 | HV CT |
| 329 | LV CT |
| 330 | Winding CTs |
| 331 | PRV(Main tank/OLTC) |
| 332 | Surge Relay to match the existing make(BHEL/CTR/OLG/NGEF/TELK) |
| 333 | Cooling Pump |
| 334 | Transformer wheels |
| 335 | Radiators |
| 336 | Contactors |
| 337 | DC Contactors |
| 338 | AC Contactors |
| 339 | Remote/ Local switches |
| 340 | Heater/Thermostat |
| 341 | Heater switch |
| 342 | Step down transformer of 415/110V |
| 343 | Time Delay Relay |
| 344 | Selector switches |
| 345 | Tap position indicators |
| 346 | New RTCC panel |
| 347 | Ladder |
| 348 | OLTC operating handle |
| 349 | Motor rewinding |
| 350 | Single phase preventer |
| 351 | Wheel shaft |
| 352 | Wheel valves 25mm |
| 353 | Wheel valves 40mm |
| 354 | Wheel valves 80mm |
| 355 | LV rod with Nut, washer, cup |
| 356 | HV bushing stem |
| 357 | M-Box door beading |
| 358 | HV Thimble and cotter pin |
| 359 | Door lock and beading |
| 360 | Fuse carrier |
| 361 | Terminal block |
| 362 | Base plate with gland hole |
| 363 | Tap changer raise lower push button |
| 364 | Door lock |
| 365 | Hooter/Buzzer |
| 366 | Annunciator window |
| 367 | 16 window |
| 368 | 20 window |
| 369 | 24 window |
| 370 | Cooling fan blade |
| 371 | MCB Pole (4) |
| 372 | MCB Pole (3) |
| 373 | MCB pole (2) |
| 374 | Cooling fan bearing |
| 375 | Control Cables |
| 376 | 4x2.5 sqmm |
| 377 | 8x2.5 sqmm |
| 378 | 14x2.5 sqmm |
| 379 | 20x2.5 sqmm |
| 380 | 4x4 sqmm |
| 381 | 8x4 sqmm |
| 382 | Cable glands |
| 383 | Oil Flow Indicator |
| 384 | Marshalling box- Door glass |
| 385 | DM -Box Door glass |
| 386 | Door glass beading |
| 387 | Thermostat switch |
| 388 | Cable gland |
| 389 | Neutral MS flat 65x10 mm |
| 390 | Support insulator-33kv/22kV PT insulator |
| 391 | HV connecting clamp terminal suitable for 145kV 800A bushing & (90mm) 3\\" IPS Al busbat with 2 copper flexible wires and bimetallic sheets for flexible end lugs as per IS:5561 |
| 392 | 110kV bushing pin |
| 393 | Retrieving switch |
| 394 | LV terminal brass clamp with SS screw washer, nuts and bimetallic sheets |
| 395 | 36kV 2000A(M40) |
| 396 | 36kV 800A (M30) |
| 397 | 36kV 630A (M20) |
| 398 | LV terminal Aluminium connector with screw washers nuts as per IS 5561 |
| 399 | Single zebra take off Al clamp |
| 400 | Double zebra take off Al clamp |
| 401 | CT terminal board. (Damaged terminal board are to be converted to bushing type) |
| 402 | Link plate per phase |
| 403 | M16 x 120mm brass stud for link board 6 nuts + 4 spring washer |
| 404 | Fasteners MS cadmium plated of various sizes with 2 nos. washers |
| 405 | Disconnecting TB - M4 stud type |
| 406 | Add on block - 2 NO & 2 NC |
| 407 | Selector switch knob |
| 408 | HV bushing Terminal (Timble) Tinned copper |
| 409 | M30 for 245kV bushing |
| 410 | M30 for 145kV bushing |
| 411 | FRP tube |
| 412 | DM box 3ph motor |
| 413 | Resistor assembly in DM box for Remote tap position indicator |
| 414 | LV porcelain bushing 33kV/2000A |
| 415 | Fan guard suitable for 600mm Industrial type cooling fan |
| 416 | Master follower switch |
| 417 | Surge ring |
| 418 | Cooler bank valve cap |
| 419 | Radiator tie band |
| 420 | Neutral link(Omega) |
| 421 | Neutral bushing |
| 422 | OLTC Dova oil seal full set |
| 423 | Dismantling the accessories and drain Oil upto the required level |
| 424 | Charges for transporting transformer along with accessories from the site to the firm's works |
| 425 | Insurance for transit and storage period at firm’s works (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 426 | Loading charges at site |
| 427 | Unloading charges at firm's works |
| 428 | Removal of defective coil after dismantling yoke channel and laminations |
| 429 | Charges for detailed examination of transformer towards identification of defects |
| 430 | Fixing of healthy coil including insulation materials and fixing of lamination & yoke Channel |
| 431 | Bracing, tapping, take off leads of new winding and formation of star connections & fixing frame |
| 432 | Reconditioning of oil |
| 433 | Preliminary drying out of core and winding at hot air chamber |
| 434 | Overhauling of OLTC mechanism & contacts and testing the same |
| 435 | Cleaning of tank, overhauling the radiators including welding charges, conservator, Buchholz Relay test & renewal of gaskets |
| 436 | Core and winding tanking and connecting to tapping leads and fixing metal parts of both HV& LV. |
| 437 | Checking of healthiness of wiring in DM Box, Marshalling box, RTCC panel and Rewiring, if required. (Including replacement of if any damaged/missing indicator lamp, door lamp, holder, selector push button ) |
| 438 | Testing of relay contact at the time Of final inspection |
| 439 | Modification of turrets, wherever Required |
| 440 | Testing of CTs (ratio, knee point voltage Required etc.) at the time of final inspection |
| 441 | Fabrication of pipelines, MS rinf, yoke channel, MS channel |
| 442 | Top cover fixing and assembly of HV and LV bushings |
| 443 | IR value improvement |
| 444 | Painting of transformer (outside) with Red oxide primer at Factory/works and final enamel painting at allotted site before commissioning |
| 445 | Transport of repaired unit and accessories from firm's works to the allotted site |
| 446 | Insurance for transit & 90 days storage at site (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 447 | Loading charges at firm's works |
| 448 | Unloading charges of the repaired unit at the allotted site |
| 449 | Re-insulation of coils |
| 450 | HV coil |
| 451 | LV coil |
| 452 | HV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 453 | LV coil with insulation (HV/LV coil rate will be taken as base rate for arriving at actual HV/LV coil rate based on IEEMA circular and formula given in cl.no. 2.3 of sec. V) |
| 454 | Core bolt with insulation/Tie band |
| 455 | Insulating materials |
| 456 | HV bushings with metal parts |
| 457 | LV bushings with metal parts |
| 458 | 1000 Amps |
| 459 | 2000 Amps |
| 460 | HV bushing connector |
| 461 | LV bushing connector (Bi-metallic connector complete set) |
| 462 | M20 for single zebra |
| 463 | M30 for single zebra |
| 464 | M40 for single zebra |
| 465 | M50 for single zebra |
| 466 | Core Lamination sheets |
| 467 | Oil Temperature Indicator |
| 468 | Winding Temperature Indicator |
| 469 | Magnetic oil Gauge |
| 470 | Buchholz Relay |
| 471 | Butterfly valve |
| 472 | Neoprene Gasket |
| 473 | New Transformer Oil |
| 474 | Silicagel indicating type breather |
| 475 | OLTC transition resistance |
| 476 | Bushing CTs |
| 477 | HV CT |
| 478 | LV CT |
| 479 | Winding CTs |
| 480 | PRV(Main tank/OLTC) |
| 481 | Surge Relay to match the existing make(BHEL/CTR/OLG/NGEF/TELK) |
| 482 | Cooling Pump |
| 483 | Transformer wheels |
| 484 | Radiators |
| 485 | Contactors |
| 486 | DC Contactors |
| 487 | AC Contactors |
| 488 | Remote/ Local switches |
| 489 | Heater/Thermostat |
| 490 | Heater switch |
| 491 | Step down transformer of 415/110V |
| 492 | Time Delay Relay |
| 493 | Selector switches |
| 494 | Tap position indicators |
| 495 | New RTCC panel |
| 496 | Ladder |
| 497 | OLTC operating handle |
| 498 | Motor rewinding |
| 499 | Single phase preventer |
| 500 | Wheel shaft |
| 501 | Wheel valves 25mm |
| 502 | Wheel valves 40mm |
| 503 | Wheel valves 80mm |
| 504 | LV rod with Nut, washer, cup |
| 505 | HV bushing stem |
| 506 | M-Box door beading |
| 507 | HV Thimble and cotter pin |
| 508 | Door lock and beading |
| 509 | Fuse carrier |
| 510 | Terminal block |
| 511 | Base plate with gland hole |
| 512 | Tap changer raise lower push button |
| 513 | Door lock |
| 514 | Hooter/Buzzer |
| 515 | Annunciator window |
| 516 | 16 window |
| 517 | 20 window |
| 518 | 24 window |
| 519 | Cooling fan blade |
| 520 | MCB Pole (4) |
| 521 | MCB Pole (3) |
| 522 | MCB pole (2) |
| 523 | Cooling fan bearing |
| 524 | Control Cables |
| 525 | 4x2.5 sqmm |
| 526 | 8x2.5 sqmm |
| 527 | 14x2.5 sqmm |
| 528 | 20x2.5 sqmm |
| 529 | 4x4 sqmm |
| 530 | 8x4 sqmm |
| 531 | Cable glands |
| 532 | Oil Flow Indicator |
| 533 | Marshalling box- Door glass |
| 534 | DM -Box Door glass |
| 535 | Door glass beading |
| 536 | Thermostat switch |
| 537 | Cable gland |
| 538 | Neutral MS flat 65x10 mm |
| 539 | Support insulator-33kv/22kV PT insulator |
| 540 | HV connecting clamp terminal suitable for 145kV 800A bushing & (90mm) 3\\" IPS Al busbat with 2 copper flexible wires and bimetallic sheets for flexible end lugs as per IS:5561 |
| 541 | 110kV bushing pin |
| 542 | Retrieving switch |
| 543 | LV terminal brass clamp with SS screw washer, nuts and bimetallic sheets |
| 544 | 36kV 2000A(M40) |
| 545 | 36kV 800A (M30) |
| 546 | 36kV 630A (M20) |
| 547 | LV terminal Aluminium connector with screw washers nuts as per IS 5561 |
| 548 | Single zebra take off Al clamp |
| 549 | Double zebra take off Al clamp |
| 550 | CT terminal board. (Damaged terminal board are to be converted to bushing type) |
| 551 | Link plate per phase |
| 552 | M16 x 120mm brass stud for link board 6 nuts + 4 spring washer |
| 553 | Fasteners MS cadmium plated of various sizes with 2 nos. washers |
| 554 | Disconnecting TB - M4 stud type |
| 555 | Add on block - 2 NO & 2 NC |
| 556 | Selector switch knob |
| 557 | HV bushing Terminal (Timble) Tinned copper |
| 558 | M30 for 245kV bushing |
| 559 | M30 for 145kV bushing |
| 560 | FRP tube |
| 561 | DM box 3ph motor |
| 562 | Resistor assembly in DM box for Remote tap position indicator |
| 563 | LV porcelain bushing 33kV/2000A |
| 564 | Fan guard suitable for 600mm Industrial type cooling fan |
| 565 | Master follower switch |
| 566 | Surge ring |
| 567 | Cooler bank valve cap |
| 568 | Radiator tie band |
| 569 | Neutral link(Omega) |
| 570 | Neutral bushing |
| 571 | OLTC Dova oil seal full set |
| 572 | Dismantling the accessories and drain Oil upto the required level |
| 573 | Charges for transporting transformer along with accessories from the site to the firm's works |
| 574 | Insurance for transit and storage period at firm’s works (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 575 | Loading charges at site |
| 576 | Unloading charges at firm's works |
| 577 | Removal of defective coil after dismantling yoke channel and laminations |
| 578 | Charges for detailed examination of transformer towards identification of defects |
| 579 | Fixing of healthy coil including insulation materials and fixing of lamination & yoke Channel |
| 580 | Bracing, tapping, take off leads of new winding and formation of star connections & fixing frame |
| 581 | Reconditioning of oil |
| 582 | Preliminary drying out of core and winding at hot air chamber |
| 583 | Overhauling of OLTC mechanism & contacts and testing the same |
| 584 | Cleaning of tank, overhauling the radiators including welding charges, conservator, Buchholz Relay test & renewal ofgaskets |
| 585 | Core and winding tanking and connecting to tapping leads and fixing metal parts of both HV& LV. |
| 586 | Checking of healthiness of wiring in DM Box, Marshalling box, RTCC panel and Rewiring, if required. (Including replacement of if any damaged/missing indicator lamp, door lamp, holder, selector push button ) |
| 587 | Testing of relay contact at the time Of final inspection |
| 588 | Modification of turrets, wherever Required |
| 589 | Testing of CTs (ratio, knee point voltage Required etc.) at the time of final inspection |
| 590 | Fabrication of pipelines, MS rinf, yoke channel, MS channel |
| 591 | Top cover fixing and assembly of HV and LV bushings |
| 592 | IR value improvement |
| 593 | Painting of transformer (outside) with Red oxide primer at Factory/works and final enamel painting at allotted site before commissioning |
| 594 | Transport of repaired unit and accessories from firm's works to the allotted site |
| 595 | Insurance for transit & 90 days storage at site (Payment against insurance will be limited to actual insurance bills submitted by the contractor.) |
| 596 | Loading charges at firm's works |
| 597 | Unloading charges of the repaired unit at the allotted site |
| 598 | Re-insulation of coils |
| 599 | HV coil |
| 600 | LV coil Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 22, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 21, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 18 daysOct 22, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 19 daysTender Documents
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