Tender For Repair And Maintenance Of 66 Kv Switch Yard And Connected Items At Air Force Station Pathankot Under Ge (Af) Pathankot
Tender Value
36 Lakhs
Estimated cost
Bid Submission
16 Oct 2026
18 days left
EMD
72000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Pathankot → Punjab
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair And Maintenance Of 66 Kv Switch Yard And Connected Items At Air Force Station Pathankot Under Ge (Af) Pathankot
BOQ
| Sl. No. | Item Description |
| 1 | Comprehensive preventive maintenance of Outdoor 66 kV SF₆ circuit breaker (up to 2000 Amps) comprising complete shutdown, isolation, cleaning of interrupter chamber, support insulators, operating mechanism, mechanism box and foundation, checking and lubrication of all moving parts with OEM approved lubricant, inspection of spring charging mechanism, operating shaft, bearings, cams, levers, auxiliary contacts, anti-pumping device, trip free mechanism, electrical and mechanical interlocks, tightening of all control and power terminals, checking of SF₆ gas pressure, functional operation by manual and electrical means, insulation resistance measurement, contact resistance test, breaker timing test, operation counter verification, rectification of minor defects, reassembly, testing and commissioning complete including all labour, transportation, T&P, testing instruments, consumables and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 2 | Supply, dismantling and replacement of SF₆ gas density monitor assembly suitable for outdoor 66 kV SF₆ Circuit Breaker including pressure gauge, alarm and lockout contacts, mounting accessories and sealing arrangement, complete with removal of defective unit, calibration, leak testing, functional testing, adjustment and commissioning including all labour, transportation, consumables, testing equipment and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 3 | Supply and charging of high purity SF₆ Gas (99.9% minimum purity) including recovery of existing gas, evacuation of interrupter chamber, moisture removal, vacuum creation, refilling of fresh SF₆ gas up to OEM recommended pressure, leak testing using approved detector, pressure stabilization, recording of gas parameters, testing and commissioning complete including all labour, transportation, gas handling equipment, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 4 | Supply and fixing in replacement of closing coil assembly suitable for 66 kV SF₆ circuit breaker including dismantling of defective coil, installation of new OEM compatible coil, reconnection of control wiring, ferruling, continuity test, insulation resistance test, adjustment of operating mechanism, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 5 | Supply and fixing in replacement of trip coil assembly suitable for 66 kV SF₆ circuit breaker including dismantling of defective coil, installation of new OEM compatible trip coil, reconnection of control wiring, continuity testing, insulation resistance testing, breaker trip verification, functional testing and commissioning complete including all labour, transportation, consumables, testing instruments, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 6 | Supply and fixing in replacement of spring charging motor assembly complete with gear box, motor coupling, mounting hardware and accessories suitable for outdoor 66 kV SF₆ circuit breaker including dismantling of defective motor, alignment of new motor, checking of charging cycle, lubrication, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 7 | Supply and fixing in replacement of auxiliary contact block (minimum 12 NO + 12 NC) suitable for outdoor 66 kV SF₆ Circuit Breaker including dismantling of defective contact block, installation of OEM compatible auxiliary contact assembly, reconnection of all control wiring with ferrules and lugs, continuity testing, insulation resistance measurement, functional testing and commissioning complete including all labour, transportation, consumables, testing instruments, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 8 | Supply and fixing in replacement of complete operating mechanism assembly comprising operating shaft, cams, levers, bearings, bushes, connecting rods, linkages, locking arrangement and associated hardware suitable for outdoor 66 kV SF₆ Circuit Breaker, including dismantling of defective assembly, installation, alignment, lubrication, adjustment of opening and closing sequence, breaker timing test, functional testing and commissioning complete including all labour, transportation, consumables, T&P, testing equipment and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 9 | Supply and fixing in replacement of mechanical position indicator assembly (OPEN–CLOSE) complete with indication flag, operating linkage, fixing hardware and accessories suitable for outdoor 66 kV SF₆ circuit breaker including dismantling of defective assembly, installation of new assembly, calibration, operational verification, testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 10 | Supply and fixing in replacement of manual operating handle assembly complete with locking arrangement, operating shaft, guide bush, retaining hardware and accessories suitable for outdoor 66 kV SF₆ circuit breaker including dismantling of defective handle, installation, adjustment, checking of manual operation, lubrication, functional testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 11 | Supply, dismantling and replacement of complete SF₆ Gas Filling Valve Assembly suitable for outdoor 66 kV SF₆ Circuit Breaker, including valve body, valve core, sealing cap, O-rings, sealing washers and accessories, complete with recovery of residual SF₆ gas wherever required, dismantling of defective valve, installation of new OEM compatible valve, leak testing using approved SF₆ leak detector, pressure stabilization, gas topping-up if required, functional testing and commissioning complete including all labour, transportation, gas handling equipment, consumables, T&P and all incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 12 | Supply, dismantling and replacement of complete pressure relief device (Bursting Disc/PRV) suitable for outdoor 66 kV SF₆ circuit breaker including gasket, sealing arrangement and mounting accessories, complete with dismantling of defective assembly, installation of OEM compatible pressure relief device, leak testing, pressure verification, functional testing and commissioning including all labour, transportation, consumables, testing instruments, T&P and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 13 | Supply and replacement of anti-pumping relay assembly suitable for 66 kV SF₆ circuit breaker control circuit, including dismantling of defective relay, installation of OEM compatible relay, reconnection of control wiring, ferruling, continuity testing, relay operation verification, functional testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 14 | Supply and fixing in replacement of mechanism limit switch assembly suitable for spring charging and breaker operating mechanism of outdoor 66 kV SF₆ circuit breaker, including dismantling of defective switches, installation of new OEM compatible limit switches, adjustment of operating sequence, continuity testing, operational verification, testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 15 | Supply and fixing in replacement of anti-condensation space heater assembly complete with fixing brackets, wiring terminals and accessories suitable for outdoor 66 kV SF₆ circuit breaker mechanism cabinet, including dismantling of defective heater, installation of new heater, wiring connections, insulation resistance test, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 16 | Supply and fixing in replacement of thermostat/hygrostat unit suitable for mechanism cabinet of outdoor 66 kV SF₆ circuit breaker including dismantling of defective thermostat, installation of new OEM compatible thermostat, calibration, wiring reconnection, operational testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 17 | Supply and fixing in replacement of LED illumination lamp and door limit switch assembly for mechanism cabinet of outdoor 66 kV SF₆ circuit breaker including dismantling of defective fittings, installation of LED lamp, door-operated limit switch, wiring, testing, commissioning and all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 18 | M&L for comprehensive servicing of marshalling kiosk/mechanism control cabinet including cleaning of internal compartments, tightening of all terminals, checking of terminal blocks, ferrules, wiring, relays, MCBs, indication lamps, heaters, thermostats, cable glands, earthing connections, replacement of minor consumables, insulation resistance testing, functional verification and commissioning complete including all labour, transportation, consumables, testing instruments, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 19 | M&L for comprehensive maintenance of current transformer (CT) terminal box including opening of terminal box, cleaning, tightening of secondary terminals, checking of terminal blocks, ferrules, cable glands, secondary wiring, insulation resistance testing, continuity testing, replacement of minor consumables wherever required, reassembly, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 20 | M&L for comprehensive maintenance of potential transformer (PT/CVT) terminal box including dismantling of covers, cleaning, tightening of all electrical terminals, checking of secondary fuses, terminal blocks, cable glands, wiring, insulation resistance testing, continuity testing, replacement of minor accessories wherever required, functional testing and commissioning complete including all labour, transportation, consumables, testing instruments, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 21 | Supply, dismantling and replacement of aluminium/copper busbar connectors, palm connectors, tee connectors, PG clamps, Bi-metallic Connectors and associated hardware suitable for 66 kV switchyard, including dismantling of defective connectors, cleaning of contact surfaces, application of approved electrical joint compound, tightening with calibrated torque wrench, replacement of spring washers, nuts, bolts and accessories, alignment, contact resistance measurement, testing and commissioning complete including all labour, transportation, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 22 | Supply and fixing in replacement of flexible aluminium bus jumpers/expansion connectors suitable for 66 kV switchyard complete with terminal pads, compression fittings and hardware including dismantling of defective jumper, installation of OEM compatible flexible connector, tightening of all joints, contact resistance testing, alignment, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 23 | M&L for cleaning, inspection and application of RTV silicone coating on outdoor post insulators and support insulators including removal of dust, grease, bird droppings and contaminants using approved cleaning agents, visual inspection for cracks/chips, application of RTV silicone coating where required, drying, inspection and completion including all labour, transportation, scaffolding/lifting arrangements, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 24 | M&L for comprehensive preventive maintenance of 66 kV lightning arresters including cleaning of porcelain/polymer housing, checking of leakage current counter, tightening of terminal connections, verification of earth connections, insulation resistance testing, replacement of minor hardware wherever required, functional inspection and commissioning complete including all labour, transportation, testing instruments, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 25 | M&L for comprehensive maintenance of 66 kV centre break/double break isolator with earth switch, including cleaning of insulators and operating mechanism, lubrication of bearings, hinges, gears, operating pipe, crank arms and linkages, checking of blade alignment, adjustment of contact pressure, tightening of all hardware, checking electrical and mechanical interlocks, operational testing, contact resistance measurement and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 26 | M&L for comprehensive maintenance of 66 kV earthing switch assembly including dismantling of operating mechanism cover, cleaning, lubrication, checking of moving and fixed contacts, adjustment of operating linkage, tightening of all hardware, continuity test, operational testing, contact resistance measurement and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 27 | M&L for measurement of contact resistance of complete 66 kV SF₆ circuit breakers, isolators, busbar joints and major electrical connections using calibrated 100 Amp/200 Amp digital micro-Ohm meter, recording of readings, comparison with OEM permissible values, preparation of test reports and submission complete including all labour, transportation, testing instruments, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 28 | M&L for breaker timing analysis of all 66 kV SF₆ circuit breakers using calibrated digital breaker timing analyzer including measurement of opening time, closing time, pole discrepancy, contact travel, velocity analysis, coil current signature, recording of test results, analysis and submission of detailed test reports complete including all labour, transportation, testing equipment, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 29 | M&L for infrared thermographic scanning of complete 66 kV switchyard including SF₆ circuit breakers, isolators, busbars, CTs, PTs, lightning arresters, connectors, jumpers and all current carrying joints using calibrated thermal imaging camera, preparation of thermal images, hot spot analysis, recommendations and submission of thermographic report complete including all labour, transportation, testing equipment and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 30 | M&L for final integrated testing, commissioning and handing over of complete 66 kV SF₆ switchyard, including operational verification of all SF₆ circuit breakers, isolators, earth switches, CTs, PTs, lightning arresters, busbar system, control wiring, interlocks, alarms, indications, mimic circuits and protection interfaces, preparation of commissioning records, submission of test certificates and successful handing over complete including all labour, transportation, testing instruments, documentation, consumables, T&P and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 31 | M&L for comprehensive preventive maintenance of 66/11 kV, 6 MVA outdoor power transformer including complete shutdown, isolation, cleaning of transformer tank, radiators, conservator, bushings, marshalling box, cable boxes and accessories, checking of all gaskets, oil leakage, tightening of all HV/LV/neutral terminals, inspection of earthing connections, cleaning of silica deposits, checking of oil level, operation of all accessories, lubrication of moving parts, checking of space heaters, marshalling box wiring, alarms and indications, restoration, testing and commissioning complete including all labour, transportation, T&P, consumables and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 32 | M&L for high vacuum transformer oil filtration and dehydration of transformer oil using automatic online oil filtration plant having vacuum dehydration, degassing and filtration facility, achieving BDV of not less than 60 kV, including circulation of oil through radiators, sampling before and after filtration, disposal of sludge, complete operation, testing and commissioning including all labour, filtration plant, transportation, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 33 | M&L for collection of transformer oil samples and laboratory testing including breakdown Voltage (BDV), moisture content, acidity, dielectric dissipation factor, interfacial tension and dissolved gas analysis (DGA), submission of complete laboratory test reports with recommendations, including all labour, sampling bottles, transportation and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 34 | Supply and replacement of silica gel for transformer breather complete with dismantling of existing silica gel, cleaning of breather assembly, replacement of oil cup oil, refilling with fresh indicating silica gel, checking for moisture ingress, reinstallation, testing and commissioning complete including all labour, transportation, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 35 | M&L for Comprehensive servicing of conservator tank assembly including cleaning of conservator, checking of oil level gauge, inspection of rubber bladder/diaphragm (where provided), tightening of flanges, replacement of minor gaskets, checking of oil leaks, operation of isolating valves, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 36 | Supply, dismantling and in replacement of buchholz relay suitable for 6 MVA transformer including draining oil as required, removal of defective relay, installation of OEM compatible relay with new gaskets, refilling of oil, air venting, alarm and trip circuit checking, functional testing, commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 37 | Supply and replacement of pressure relief device (PRD) complete with new gasket, mounting hardware and accessories including dismantling of defective PRD, installation of OEM compatible PRD, oil leakage checking, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 38 | Supply, dismantling and replacement of oil temperature indicator (OTI) complete with sensing bulb, capillary tube, dial, contacts and mounting accessories including calibration, wiring reconnection, alarm and trip testing, commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 39 | Supply, dismantling and replacement of winding temperature indicator (WTI) complete with heater element, CT simulator, sensing system, capillary tube, dial, contacts and accessories including calibration, wiring, alarm/trip verification, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 40 | M&L for comprehensive servicing of marshalling box including cleaning of enclosure, tightening of all terminals, checking of relays, MCBs, terminal blocks, space heaters, thermostat, illumination lamp, cable glands, wiring ferrules, alarms, indications, control circuits, replacement of minor consumables, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 41 | M&L for comprehensive servicing of transformer radiator bank including isolation, draining of oil as required, dismantling of radiator valves where necessary, cleaning of radiator fins by approved non-corrosive cleaning agents, rectification of minor oil leakages, tightening of all flange bolts, replacement of defective gaskets up to 6 mm thickness, pressure checking, refilling of oil, restoration, testing and commissioning complete including all labour, transportation, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 42 | Supply, dismantling and replacement of cooling fan motor assembly (415 V AC) complete with fan blades, terminal box, mounting frame, hardware and wiring accessories suitable for 6 MVA transformer cooling system, including alignment, insulation resistance test, trial run, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 43 | Supply and fixing in replacement of oil circulation pump assembly complete with motor, coupling, valves, flexible connectors and mounting hardware (where provided), including dismantling of defective unit, alignment, oil leakage testing, trial operation, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 44 | Supply, dismantling and replacement of 66 kV HV porcelain/composite bushing complete with gasket, terminal connector, oil seal and mounting accessories including draining of oil as required, installation, torque tightening, oil leakage check, insulation resistance test, capacitance and tan delta test (where applicable), testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 45 | Supply, dismantling and replacement of 11 kV LV porcelain/composite bushing complete with terminal pad, gasket, mounting hardware and accessories including oil sealing, alignment, tightening, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 46 | Supply, dismantling and replacement of neutral bushing assembly complete with terminal connector, gasket, mounting accessories and oil sealing arrangement, including removal of defective bushing, installation of new OEM compatible bushing, oil leakage check, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 47 | M&L for rectification of transformer oil leakage by replacement of defective cork/neoprene/NBR gaskets up to 6 mm thick at radiator flanges, conservator, inspection covers, valve assemblies, bushings, cable boxes and other joints, including cleaning of mating surfaces, tightening of fasteners, oil topping-up where required, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 48 | M&L for comprehensive maintenance of on load tap changer (OLTC) (where provided) including inspection of diverter switch compartment, cleaning, contact inspection, checking of transition resistors, lubrication of operating mechanism, servicing of drive unit, replacement of minor consumables, testing of local/remote operation, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, all complete as specified and directed by the Engineer-in-Charge. |
| 49 | M&L for comprehensive servicing of HV/LV cable box and bus duct connections including cleaning, tightening of terminals, checking of cable lugs, stress cones, glands, sealing arrangement, insulation barriers, replacement of minor accessories, insulation resistance testing, thermographic inspection of joints, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 50 | M&L for comprehensive maintenance of transformer body earthing and neutral earthing system including checking continuity of earth conductors, tightening of earth terminals, replacement of flexible copper earth braid/GI hardware up to required size, measurement of earth resistance, rectification of loose connections, testing and commissioning complete including all labour, transportation, consumables, T&P, testing equipment and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 51 | M&L for insulation resistance (IR) test of complete 66/11 kV, 6 MVA power transformer using calibrated 5 kV digital insulation resistance tester, including measurement of HV-Earth, LV-Earth and HV-LV insulation resistance, recording of readings before and after maintenance, comparison with previous values, preparation and submission of detailed test reports, complete including all labour, transportation, testing instruments, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 52 | M&L for polarization index (PI) test of complete power transformer using calibrated insulation resistance test equipment, including measurement of 1-minute and 10-minute insulation resistance values, calculation of PI ratio, recording, analysis and submission of detailed reports complete including all labour, testing instruments, transportation, consumables and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 53 | M&L for transformer turns ratio (TTR) test on all tap positions using calibrated automatic transformer turns ratio test set, including verification of ratio accuracy, polarity, vector group, recording of readings, analysis, submission of complete test report including all labour, transportation, testing instruments, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 54 | M&L for winding resistance measurement test on HV, LV and neutral windings using calibrated Digital Micro-Ohm Meter including testing on all phases and tap positions (where applicable), recording and analysis of results, submission of detailed reports complete including all labour, transportation, testing instruments and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 55 | M&L for magnetic balance test of complete transformer core and windings using approved testing equipment including recording of all phase voltages, analysis of magnetic balance condition, preparation and submission of test reports complete including all labour, transportation, testing equipment, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 56 | M&L for capacitance and tan delta test of transformer windings and bushings using calibrated Tan Delta Test Set, including measurement of dielectric loss factor, capacitance values, analysis of insulation condition, preparation and submission of detailed reports complete including all labour, transportation, testing equipment, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 57 | M&L for vector group verification and polarity test of complete transformer using approved testing equipment including verification of vector group, polarity, phase displacement, recording of observations and submission of complete test reports including all labour, transportation, testing instruments, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 58 | M&L for surface preparation and painting of transformer tank, radiators, conservator, marshalling box and associated steel structures including removal of loose rust and old paint by mechanical cleaning, application of one coat zinc chromate/epoxy primer and two coats of approved synthetic enamel paint of existing shade, complete including surface cleaning, masking of nameplates, labour, scaffolding, transportation, paint, brushes, consumables and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 59 | Supply and fixing of engraved anodized aluminium/stainless steel name plates, danger notices, equipment identification labels, phase markers and caution boards complete with fixing hardware, cleaning of mounting surface and installation, including all labour, transportation, consumables and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 60 | M&L for final integrated testing, commissioning and handing over of complete 66/11 kV, 6 MVA power transformer including verification of protection circuits, alarms, indications, marshalling box, cooling system, buchholz relay, PRD, OTI, WTI, OLTC (where provided), earthing, oil level, functional operation, preparation of commissioning records, submission of all test certificates and documentation, complete including all labour, transportation, testing equipment, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 61 | M&L for comprehensive preventive maintenance of indoor draw-out type ABB make 11 kV, 800 Amp vacuum circuit breaker panel including complete shutdown, isolation, withdrawal of VCB truck, cleaning of vacuum interrupter poles, epoxy insulators, panel enclosure, shutters, busbar compartment, cable compartment and mechanism compartment, checking of vacuum interrupter condition, lubrication of all moving parts using OEM approved lubricant, tightening of all electrical and mechanical connections, checking of operating mechanism, spring charging mechanism, anti-pumping device, auxiliary contacts, mechanical interlocks, electrical interlocks, shutters, control wiring, space heater, illumination lamp, mimic indications, panel accessories, complete functional operation by manual and electrical means, insulation resistance test, contact resistance test, breaker timing verification, restoration, testing and commissioning complete including all labour, transportation, tools & plants, consumables, testing instruments and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 62 | Supply, dismantling and replacement of vacuum interrupter pole assembly suitable for ABB make 11 kV, 800 Amp VCB complete with dismantling of defective interrupter, installation of OEM compatible vacuum bottle assembly, alignment, contact travel adjustment, contact wipe adjustment, breaker timing verification, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, consumables, testing equipment, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 63 | Supply and fixing in replacement of complete spring charging motor assembly suitable for ABB make 11 kV, 800 Amp VCB including gear mechanism, motor coupling, mounting hardware and accessories, complete with dismantling of defective motor, alignment, operational verification, charging cycle adjustment, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 64 | Supply and fixing in replacement of closing coil assembly suitable for ABB make 11 kV, 800 Amp VCB including dismantling of defective coil, installation of OEM compatible closing coil, reconnection of control wiring, insulation resistance test, continuity test, breaker closing operation verification, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 65 | Supply and replacement of trip coil assembly suitable for ABB make 11 kV, 800 Amp VCB including dismantling of defective trip coil, installation of OEM compatible coil, control wiring reconnection, continuity testing, insulation resistance testing, breaker trip verification, testing and commissioning complete including all labour, transportation, consumables, testing instruments, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 66 | Supply and replacement of auxiliary contact block (minimum 12 NO + 12 NC) suitable for ABB make 11 kV, 800 Amp VCB including dismantling of defective auxiliary contact assembly, installation of OEM compatible contact block, ferruling, wiring reconnection, continuity testing, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 67 | Supply and replacement of operating mechanism assembly comprising operating shaft, bearings, cams, levers, linkages, bushes, locking arrangement, hardware and accessories suitable for ABB Make 11 kV, 800 Amp VCB including dismantling, installation, lubrication, alignment, adjustment of contact travel and wipe, breaker timing verification, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 68 | Supply and replacement of mechanical position indicator assembly (SERVICE / TEST / ISOLATED, OPEN / CLOSE) complete with linkage, indication flag, mounting hardware and accessories suitable for ABB Make VCB Panel including dismantling, installation, calibration, testing and commissioning complete including all labour, transportation, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 69 | Supply and replacement of secondary disconnecting plug & socket assembly complete with male and female contacts, insulating body, fixing hardware and accessories suitable for ABB Make 11 kV VCB Panel including dismantling, installation, reconnection of all secondary wiring, continuity testing, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 70 | Supply and replacement of mechanical shutter assembly complete with operating linkage, guide rollers, return springs, locking arrangement and accessories suitable for ABB Make 11 kV VCB Panel including dismantling, installation, lubrication, adjustment, operational testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 71 | M&L for comprehensive preventive maintenance of cast resin current transformers (CTs) installed in ABB make 11 kV, 800 A VCB panels, including isolation, cleaning of epoxy insulation, tightening of primary and secondary terminals, checking of mounting hardware, inspection of insulation for cracks or tracking, verification of CT ratio, polarity, insulation resistance, continuity of secondary circuits, checking of shorting links, replacement of minor consumables, reassembly, testing and commissioning complete including all labour, transportation, T&P, testing instruments and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 72 | M&L for comprehensive preventive maintenance of cast resin potential transformers (PTs) including cleaning of epoxy insulation, tightening of all primary and secondary terminals, checking of HRC fuses, secondary wiring, terminal blocks, insulation resistance testing, ratio verification, continuity checks, replacement of minor accessories wherever required, testing and commissioning complete including all labour, transportation, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 73 | Supply, dismantling and in replacement of numerical protection relay (OCR/EFR/IDMT/Directional/Feeder Protection as applicable) suitable for ABB make 11 kV VCB panel, including removal of existing relay, supply of OEM compatible numerical relay, wiring modification, relay configuration, programming, secondary injection testing, functional verification, testing and commissioning complete including all labour, transportation, consumables, software, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 74 | Supply and replacement of digital multifunction energy meter suitable for 11 kV VCB panel including dismantling of defective meter, installation of new meter, CT/PT ratio configuration, wiring reconnection, calibration, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 75 | Supply and replacement of anti-condensation space heater assembly complete with fixing accessories, wiring terminals and mounting hardware suitable for ABB make VCB panel including dismantling of defective heater, installation of new heater, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 76 | Supply and replacement of thermostat/hygrostat unit suitable for VCB panel space heater control including dismantling of defective thermostat, installation of OEM compatible thermostat, calibration, wiring reconnection, operational testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 77 | M&L for comprehensive servicing of main busbar and busbar joint assemblies including cleaning of busbars, tightening of all joints with calibrated torque wrench, replacement of spring washers, bolts and nuts wherever required, cleaning of contact surfaces, application of approved electrical joint compound, insulation resistance test, thermographic verification, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 78 | Supply, dismantling and replacement of epoxy spouts, fixed contacts and shutter bush assemblies suitable for ABB make draw-out VCB panels including dismantling of defective parts, installation of OEM compatible components, alignment, insulation resistance testing, contact alignment verification, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 79 | M&L for comprehensive maintenance of panel earthing system including checking of panel body earth, VCB truck earth, door earth braid, earth continuity, tightening of all earthing terminals, replacement of flexible copper earth braid up to 25 mm² where required, measurement of earth continuity and testing complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 80 | M&L for comprehensive servicing of complete control wiring and terminal block assemblies including checking of ferrules, terminal tightness, wiring insulation, cable glands, terminal blocks, control fuses, MCBs, push buttons, selector switches, indication lamps, continuity testing, insulation resistance testing, replacement of minor consumables wherever required, functional testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 81 | M&L for cacuum integrity assessment of vacuum interrupter units of ABB make 11 kV, 800 Amp VCBs using OEM recommended test procedure, including withdrawal of breaker truck, visual inspection of vacuum bottles, verification of interrupter condition, dielectric withstand/vacuum integrity test (where applicable), recording of observations, reinstatement, functional testing and commissioning complete including all labour, transportation, testing instruments, T&P, consumables and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 82 | M&L for measurement of contact resistance of complete ABB make 11 kV VCB using calibrated 100/200 Amp Digital Micro-Ohm Meter including measurement of all three phases, recording of readings, comparison with OEM permissible limits, preparation of test reports and submission complete including all labour, transportation, testing instruments, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 83 | M&L for breaker timing analysis of ABB make 11 kV, 800 Amp VCB using calibrated Digital Breaker Timing Analyzer including measurement of opening time, closing time, pole discrepancy, contact travel, velocity analysis, coil current signature, recording and analysis of results, submission of complete test report including all labour, transportation, testing equipment, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 84 | M&L for primary injection testing of complete feeder circuit including VCB, CTs, protection circuit and metering system using calibrated primary injection test set, verification of CT ratio, relay pickup values, meter accuracy and tripping operation, recording of test results, preparation of reports and commissioning complete including all labour, transportation, testing equipment, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 85 | M&L for secondary injection testing and calibration of numerical protection relays including OCR, EFR, IDMT, instantaneous, earth fault and other protection functions as applicable, relay programming verification, disturbance record check, functional operation, testing and commissioning complete including all labour, transportation, relay test kit, software, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 86 | M&L for comprehensive checking and adjustment of complete mechanical and electrical interlock system including service/test/isolated positions, racking mechanism, door interlocks, shutter interlocks, anti-pumping circuit, trip-free mechanism, electrical permissive circuits, lubrication, adjustment, operational verification and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 87 | M&L for comprehensive servicing of draw-out truck mechanism including cleaning of rollers, guide rails, spindle, rack-in/rack-out mechanism, locking arrangement, lifting mechanism, lubrication with OEM approved grease, alignment, operational testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 88 | M&L for comprehensive servicing of cable compartment and termination chamber including cleaning, tightening of cable terminations, inspection of stress cones, cable glands, cable clamps, support insulators, phase barriers, heat-shrink sleeves, replacement of minor consumables, insulation resistance testing, thermographic verification of joints, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 89 | M&L for infrared thermographic inspection/standard tests as per IS of complete ABB make 11 kV switchboard including VCBs, busbars, CTs, PTs, cable terminations, bus joints, breaker contacts and power connections using calibrated thermal imaging camera, preparation of thermal images, hot-spot analysis, recommendations and submission of thermographic report complete including all labour, transportation, testing equipment and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 90 | Final integrated testing, commissioning and handing over of complete ABB make 11 kV, 800 Amp VCB switchboard comprising 11 feeder panels, including verification of all protection relays, CT/PT circuits, metering, control wiring, indications, alarms, interlocks, breaker operations, synchronization of control circuits, preparation of commissioning records, submission of all test certificates, as-built maintenance records and successful handing over complete including all labour, transportation, testing instruments, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 91 | M&L for comprehensive preventive maintenance of 110 V DC battery bank comprising visual inspection of complete battery bank, cleaning of battery cells, terminals and racks, checking electrolyte level (where applicable), terminal tightening, application of petroleum jelly, checking inter-cell connectors, measurement and recording of individual cell voltage, float voltage, battery bank voltage and specific gravity (where applicable), insulation check of battery rack, replacement of minor consumables, testing and commissioning complete including all labour, transportation, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 92 | M&L for comprehensive preventive maintenance of float-cum-boost battery charger (110 V DC) including cleaning of cubicle, tightening of power and control terminals, checking rectifier modules, transformer, cooling fan, indicating lamps, MCBs, contactors, meters, alarms, float/boost voltage calibration, ripple voltage measurement, functional testing and commissioning complete including all labour, transportation, testing equipment, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 93 | Supply, dismantling and replacement of battery inter-cell connectors, terminal hardware and flexible copper links complete with insulated covers, stainless steel nuts, bolts and washers, cleaning of battery terminals, application of anti-corrosion compound, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 94 | M&L for comprehensive preventive maintenance of protection & control panels including cleaning of cubicles, tightening of all terminals, checking relays, annunciation modules, control switches, selector switches, indicating lamps, MCBs, terminal blocks, ferrules, space heaters, thermostats, wiring insulation, replacement of minor consumables, insulation resistance testing, functional testing and commissioning complete including all labour, transportation, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 95 | Supply, dismantling and replacement of annunciation Window/LED indication module suitable for protection and control panel including wiring reconnection, testing of audible alarm, reset, accept and lamp test functions, commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 96 | M&L for comprehensive servicing of HT/LT control cables including identification, continuity testing, insulation resistance testing, checking cable glands, ferrules, terminal blocks, cable supports, dressing, replacement of damaged ferrules and lugs, re-termination wherever required, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works,complete all as specified and directed by the Engineer-in-Charge. |
| 97 | Supply and fix for laying of new multicore copper control cable up to 4C × 2.5 sq.mm including dismantling of defective cable where required, laying in existing trench/tray, dressing, clamping, gland, ferruling, termination with copper lugs, continuity and insulation testing, commissioning complete including all labour, transportation, T&P, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 98 | M&L for comprehensive maintenance of complete switchyard earthing network including inspection of earth pits, tightening of GI/Copper strip joints, replacement of corroded nuts, bolts and clamps, cleaning of earth chamber, watering of earth pits where applicable, continuity measurement, earth resistance testing and rectification of loose connections complete including all labour, transportation, testing instruments, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 99 | Supply and replacement of GI earth Strip 50 × 6 mm / copper earth strip 25 × 6 mm (as required) including excavation where necessary, dismantling of defective strip, laying, welding/bolting of joints, anti-corrosive treatment, backfilling, continuity test and earth resistance measurement complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 100 | Supply and fix in replacement of maintenance-free chemical earthing electrode / refurbishment of existing earth pit including excavation, replacement of backfill compound, GI pipe funnel, RCC cover, watering arrangement, testing of earth resistance, restoration of surface and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 101 | M&L for comprehensive maintenance of RCC cable trench including removal of RCC covers, cleaning of complete cable trench, removal of dust, sludge, vegetation and water, disposal of excavated waste outside the switchyard premises, checking and rectification of cable supports, replacement of damaged identification tags, reinstatement of RCC covers, complete including all labour, transportation, tools & plants, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 102 | Supply and replacement of precast RCC cable trench covers of suitable size and thickness complete with lifting hooks, dismantling of damaged covers, transportation, placement, alignment and finishing including all labour, tools & plants, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 103 | Supply, laying, dressing, glanding, terminating, testing and commissioning of 11 kV XLPE Aluminium Armoured HT Cable 3 Core 120 sqmm including excavation where required, sand cushioning, bricks/tiles, warning tape, cable identification tags, glands, copper lugs, heat shrink sleeves, phase marking, testing by 5 kV megger and restoration complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 104 | Supply and fixing of outdoor heat shrink type straight-through joint kit suitable for 11 kV XLPE cable up to 3 Core 120 sqmm, including dismantling of damaged joint where required, joint preparation, ferrules, insulation restoration, heat shrink installation, testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 105 | Supply, dismantling and replacement of outdoor heat shrink type end termination kit suitable for 11 kV XLPE cable up to 3 Core 120 sqmm, complete with stress control tubes, anti-tracking tubes, breakout, sealing accessories, glands, lugs, testing and commissioning including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 106 | M&L for comprehensive maintenance of outdoor switchyard LED lighting system including cleaning of luminaires, tightening of terminals, replacement of defective drivers, surge protection devices, connectors, glands, checking of lighting poles, junction boxes, control gear, insulation testing and commissioning complete including all labour, transportation, tools & plants, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 107 | M&L for comprehensive maintenance of outdoor junction boxes, marshalling kiosks and cable termination boxes including cleaning, tightening of terminals, checking of terminal blocks, ferrules, cable glands, space heaters, thermostats, illumination lamps, insulation resistance testing, replacement of minor consumables, testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 108 | M&L for earthing complete with using galvanized mild steel earth plate (electrode) 600 mm x 600 mmx 6 mm thick buried directly in ground, earth pit not less than 2.25 mtr deep below ground level with top edge of the earth plate not less than 1.50 m below ground level and earth plate surrounded with adequate quantity of charcoal dust mixed with salt to be packed thickness of 15 cm all round the plate using 4 mm dia GI earth lead wire as earth lead moulded and riveted to earth plate at one end and connected to main equipment at switch/control board at another end, GI earth lead duly protected in and including 15 mm dia GI ‘medium grade’ pipe from upper end of earth plate upto equipment with & including 20 mm dia bore GI pipe ‘medium grade’ as water pipe from earth chamber to upper edge of the earth plate, GI funnel with wire mesh fixed on water pipe and provision of PCC 1:2:4 type B1(using 20 mm graded stone agg) as in pits chamber and RCC pit cover 50 mm thick of precast RCC 1:2:4 type B-1 (using 20 mm graded stone aggregate) as per electrical plate No.3 of SSR Part-I 2010 testing on completion complete all as specified and directed by the Engineer-in-Charge.Note: (i) If the desired earth resistance is not found within limit shall be redone by contractor at no extra cost.(ii) Cost of GI strip 32/6 mm and 40mm dia pipe medium grade upto 7.5 mtr shall be included in the rate quoted for this item |
| 109 | M&L for opening of existing eart pit chamber,iinspection of earthing arrangements, cleaning of pits, electrode and surrounding, removing mud,dust,salt deposits and loose unwanted materials complete all as specified and directed by the Engineer-in-Charge. |
| 110 | M&L for disconnecting and reconnecting exisiting earth stripe/wire connection after checking continuity, tightening all nuts, bolts, lamps and lugs complete all as specified and directed by the Engineer-in-Charge. |
| 111 | M&L for cleaning of earth electrode termination point,removing corrosion/rust from exposed metal parts and applying approved anti-corrosive protection at joints complete all as specified and directed by the Engineer-in-Charge. |
| 112 | Suppy and fixing in replacement of nuts,bolts,washers,clamps and small connecting accessories of exsisting earthing system complete all as specified and directed by the Engineer-in-Charge. |
| 113 | M & L for refilling of earth pit with approved earthing compound/charcoal salt mixture/enhancement materials all as directed by Engineer-in-Charge. |
| 114 | Material and Labour for watering arrangement from existing water supply taps with 20mm GI pipe nececesary elbow, unions, butterfly valve etc all complete all as specified and directed by Engineer-in-charge.Note:- The length of GI pipe(Max 20 RM is included in each earthing point) and other connected items rates must be quoated in this items only. |
| 115 | Material and labour for checking continuity of earth conductor from pit to eqiupment/panel/body earth and rectification minor loose contacts points complete all as specified and directed by the Engineer-in-Charge. |
| 116 | Material and labour for painting/marking of earth pit identification number and cable route marker, caution marking and restoration of identicfication plates where missing/faded complete all as specified and directed by the Engineer-in-Charge. |
| 117 | Material and labour for installation,testing and commissioning of Complete set of chemical earthing system for 66KV grid copper rod filled with chemical compund materila min 3mtr length effective length dia as per design make approved by Engg in Charge,supplying and placing of conductive chemicals backfill compound(bentonite/salt based,non cororsive,low resistivty ( suitable as per make of copper pipe, bidder must submit the types of chemicals suitable for copper pipes from the OEM) around the electrude in bore/pits as per OEM recommendation and site soil resistivity(contractor must perform Soil test before placing the order) including exacavtion/borong of earth pit as required for the desired resistivity result ,dressing,refilling and compaction fixing earth pit chamber connection of electrode to main 66 kv earth grid/mat or as per site location through copper strip(as per design) including excavation, laying, clamping/exothermix welding all necessary clamps, nuts, bolts, wahers, anti-corrosive treatment complete testing and report complete all as specified and directed by the Engineer-in-Charge. |
| 118 | Supply and replacement of flexible tinned copper earth braid up to 50 sqmm complete with copper lugs, bolts, spring washers and fixing hardware for transformers, VCB panels, CT/PT structures, marshalling kiosks and equipment doors, including dismantling of damaged braid, continuity testing and commissioning complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 119 | Repair and maintenance of switchyard equipment foundations, support structures and miscellaneous hardware including tightening/replacement of foundation bolts up to M24 size, anti-rust treatment, touch-up painting, grouting of minor cracks using non-shrink grout, replacement of damaged nuts, bolts, spring washers and galvanised hardware, complete including all labour, transportation, consumables, tools & plants and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 120 | M&L for comprehensive SF₆ gas leak detection survey of all 66 kV SF₆ circuit breakers using calibrated electronic SF₆ gas leak detector, including inspection of interrupter chambers, gas density monitor connections, filling valves, flanged joints, pressure relief devices and sealing arrangements, rectification of minor leakages by tightening/replacement of O-rings where feasible, preparation of leak detection report and submission complete including all labour, transportation, testing equipment, consumables, T&P and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 121 | M&L for verification, calibration and coordination of protection relay settings for all transformer, feeder, incomer and bus protection schemes including review of relay settings, coordination study verification, updating of relay parameters wherever required, secondary injection testing, disturbance record verification, report preparation and commissioning complete including all labour, transportation, relay test kit, software, consumables and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 122 | M&L for battery discharge/load test of complete 110 V DC battery bank using calibrated battery discharge test equipment including measurement of discharge current, terminal voltage, cell voltage profile, battery capacity assessment, float charging restoration, report preparation and submission complete including all labour, transportation, testing instruments, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 123 | M&L for secondary injection testing of transformer differential protection, restricted earth fault (REF), over current, earth fault and buchholz relay circuits including functional testing of alarm and trip circuits, verification of wiring logic, calibration, report preparation and commissioning complete including all labour, transportation, relay test equipment, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 124 | M&L for testing and functional verification of busbar protection scheme including numerical relay testing, CT supervision, bus differential logic, trip matrix verification, alarm/trip operation, secondary injection testing, report preparation and commissioning complete including all labour, transportation, testing equipment, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 125 | M&L for comprehensive testing of trip circuit supervision (TCS), closing circuit supervision and DC control circuit including checking of healthy indications, trip circuit continuity, closing circuit continuity, supervision relays, MCBs, auxiliary contacts, annunciation, alarm functions, restoration and commissioning complete including all labour, transportation, consumables, T&P and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 126 | M&L for unctional testing of complete 110 V DC distribution system including DC feeders, DCDB, charger output, battery backup, MCBs, fuse monitoring, insulation monitoring, alarm annunciation, voltage drop measurement, restoration and commissioning complete including all labour, transportation, testing instruments, consumables, T&P and incidental works, all complete as specified and directed by the Engineer-in-Charge. |
| 127 | M&L for comprehensive maintenance of mimic control panel, indication system and annunciation panel including cleaning, tightening of terminals, replacement of defective LED indicators, mimic lamps, push buttons, selector switches, window annunciators, buzzer circuits, control wiring, testing and commissioning complete including all labour, transportation, consumables, T&P and incidental works, all complete as specified and directed by the Engineer-in-Charge. |
| 128 | M&L for preparation and submission of complete maintenance documentation including equipment-wise maintenance records, preventive maintenance checklists, insulation resistance reports, contact resistance reports, breaker timing reports, transformer test reports, relay setting sheets, SF₆ gas records, thermographic reports, earth resistance reports, calibration certificates, as-maintained drawings and maintenance dossier in hard and soft copies, complete including all labour, printing, documentation and incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 129 | M&L for final integrated testing, commissioning, trial operation and handing over of complete 66 kV Main Receiving Station comprising 03 Nos. 66 kV SF₆ Circuit Breakers, 02 Nos. 66/11 kV 6 MVA Power Transformers, 11 Nos. ABB Make 11 kV 800 Amp VCB Panels, Battery Charger System, Protection & Control Panels, HT/LT Cable Network, Earthing System and associated equipment, including sequential operation checks, interlock verification, relay coordination confirmation, successful energisation support, submission of all test certificates, completion reports, statutory documentation, operator familiarisation, and handing over to the user, complete including all labour, transportation, testing instruments, consumables, T&P and all incidental works, complete all as specified and directed by the Engineer-in-Charge. |
| 130 | Supply laying and testing cable XLPE insulated screended PVC bedded , galvanised steel strip armoured, electric power cables (heavy cable ) with stranded aluminium conductor , 1100 Volts grade of size 3.5 core 50 Sqmm complete all as specified and directed by the Engineer-in-Charge. |
| 131 | Supply laying and testing cable XLPE insulated screended PVC bedded , galvanised steel strip armoured, electric power cables (heavy cable ) with stranded aluminium conductor , 1100 Volts grade of size 3.5 core 95 Sqmm complete all as specified and directed by the Engineer-in-Charge. |
| 132 | Supply and topup/ refilling of Transformer oil conforming to IS 335 1993 latest amendments for replacing oil in the trensformer with breaking capacity not less than 60 kv all as specified and directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 25, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 16, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 18 daysOct 19, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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