Tender For Repairs / Replacement / Servicing To Ht Switch Gears 66 / 11 Kv (Sf6 / Vcb) And Overhauling Of 66 / 11 Kv Transformer At 66 Kv Mrs-I & Mrs-Ii Under Ge (I) R&D (East) Bangalore.
Tender Value
40 Lakhs
Estimated cost
Bid Submission
26 Oct 2026
19 days left
EMD
80000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Bengaluru Urban → Karnataka
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repairs / Replacement / Servicing To Ht Switch Gears 66 / 11 Kv (Sf6 / Vcb) And Overhauling Of 66 / 11 Kv Transformer At 66 Kv Mrs-I & Mrs-Ii Under Ge (I) R&D (East) Bangalore.
BOQ
| Sl. No. | Item Description |
| 1 | Material and labour for maintenance, servicing and repair of Vacuum Circuit Breakers / Oil circuit breaker HT 11KV 400 Amps / 800Amps 50 cycles, breaking capacity 13.5 KA of any make, by opening and checking the internal moving, fixed parts, contacts / wiring, cleaning, painting in existing colour, marking both side as per existing, decarbonising, tightening loosened parts, operational checking of closing / tripping system, lubricating greasing all moving parts, replacing worn out part, copper studs, bolts, nuts, washers, checking control wiring, oil, busbar, fixed contacts or moving contacts, HT bushes, gaskets including unserviceable coil, replacing of defective minor items such as indicators lamps, push buttons, selector switch etc as and when required complete all as specified and as directed. |
| 2 | NOTE :- The item spare parts, oil to be replaced shall be measured and paid separately. However minor items such as indicator, push button, selector switch, gasket, wiring cable shall be deemed to be included in the unit rate with providing the testing certificate. |
| 3 | Material and labour for maintenance, servicing and oil leakage arresting of 66 / 11 KV, 5/8 MVA Power Transformer, providing necessary gaskets, oil seals, cleaning, dusting, decarbonising, tightening loosened parts, including replacing worn out part copper studs, bolts, nuts and washers replacing oil seals, HT bush, gasket including unserviceable coil, including cleaning the transformers externally thoroughly with lint free cloth, tightening the HT / LT terminal nuts, opening the top cover and replacing the perished gasket of top cover, replacing sight glass, replacing of defective minor items such as and when required complete all as specified and as directed.NOTE :- The item spare parts oil to be replaced shall be measured and paid separately shall be deemed to be included in the unit rate, including decaning of old oil. |
| 4 | Material and labour in replacement of old unserviceable breather of power transformer 66 KV / 11 KV of capacity 5000 / 8000 KVA (capacity 5 Kg) fresh silica gel complete all as specified and as directed. |
| 5 | Calibration of relays through secondary injection method, testing complete outdoor 66 KV grid for complete operational working of outdoor 66 KV CT, PT, differential protection SF-6 breaker, testing 16 point solid alarm annunciator, hooter, Ammeter, Voltmeter, PF Meter, Frequency Meter, KVAR Meter, Energy Meter, Semaphore Indicators, Breaker Control Switch, Numerical Transformer Differential Relay, O/C, E/F Relay, Auxiliary Relay, High Speed tripping relay, selector switches, indicator lamps, trip circuit supervision relay, DC supply supervision relay by connecting existing control / relay cables and replacement of unserviceable control cables, transformer control SF6 breaker panel and control relay panel etc submitting reports complete all as specified and as directed. |
| 6 | Material and labour for Calibration of Relays through secondary injection method and testing complete relays like IDMT relays instantaneous earth fault relays on all HT OCB panel/VCB panel control SF6 breaker panel and control relay panel at MRS-I & II and every month submitting reports to Engr-in -charge. NOTE : (i) Monthly checking and calibration of all relays fixed in VCB, OCB, SF6 breaker for smooth functioning included in the scope of work. (ii) During monthly checking all tripping / setting to be ensured for proper functioning of relay / breaker. |
| 7 | Servicing of existing fire extinguisher and refilling of dry type fire extinguisher ever safe ABC stored pressure type with pressure 24 bar( 27 degree centigrade) and working pressure 12 bar at (27 degree centigrade) with capacity of 2 kgs to 50 kgs capacity cylinders with providing the testing certificate complete all as specified and as directed |
| 8 | Supply and Installation of 75kg ABC Higher Capacity Trolley Mounted Dry Chemical Powder Type Fire Extinguisher (With CO2 & Powder) complete all as specified and as directed. |
| 9 | Material and labour for filtration of transformer oil of transformer including OLTC through high vacuum type filtration plant to extract moisture, carbon deposits, to achieve and withstand 80 KV die electric strength for 1 min with an air gap of 2.5mm including necessary testing before and after filtration, submission of test result for 5 MVA - 02 Nos & 8 MVA - 01 No and 11/0.433 KV transformer of 200 KVA and 100KVA with providing the testing certificate complete all as specified and as directed. |
| 10 | NOTE : (a) The contractor will take shut down orders in working before commencement of the work from Engineer-in-Charge. (b) The contractor shall ensure no wastage of existing transformer oil. (c) The contractor solely responsible for any damages to the transformer / HT OCB during the process of oil filtration. He is responsible for making good any damage to the transformer / HT OCB at his own cost without any extra cost to the department.(d) The contractor shall ensure that the conservator tank are full to its level before starting the dehydration.(e) Di-electric strength of oil after filtration / dehydration shall not be less than 60 KV / min.(f) The di-electric strength of oil shall be tested before and after filtration and test results shall be submitted to Engineer-in-Charge. |
| 11 | Supply and topping up of new transformer oil conforming to IS 335-1963 as amended duly filtered and tested to with stand die electric strength of 60 KV for one minute with air gap 2.5 mm of HT Power and distribution transformer, OCB's, CT's, PT's, MOCB's etc complete all as specified and as directed. |
| 12 | Material and labour for servicing OLTC (on load top changing) system of 5/8 MVA, 66/ 11 KV power transformer after draining out transformer oil cleaning and checking the entire system, checking all moving contact portions, replacement of worn-out fixed or Roller contacts, resistor and Top gasket cleaning and checking of hylam barrier sheet (3 Nos) cleaning and checking of main driven shaft, all mechanical parts of driving mechanism, greasing where required for smooth operation, replacement of worn out brass nuts, tightening of gears, checking of entire system complete all as specified and as directed.NOTE :- Dehydration of oil, and spares required shall be measured and paid separately. |
| 13 | Material and labour for maintenance, servicing and oil leakage arresting of 66 KV PT / CT providing necessary gaskets, oil seals, cleaning, dusting, decarbonising, tightening loosened parts, including replacing worn out part copper studs, bolts nuts and washers replacing oil seals, gasket including unserviceable coil, replacing of defective minor items as and when required complete all as specified and as directed.NOTE :-The item spare parts oil to be replaced shall be measured and paid separately, However minor items such as indicator, push button, selector switch, gasket, wiring cable shall be deemed to be included in the unit rate. The rates are inclusive of crane charges for lifting and re assembling from the structure. |
| 14 | Supply and fix in replacement of outdoor type heat-shrinkable termination joint suitable for all climates, areas, and environments, even severely polluted areas, as well as for all installation conditions, including top feed installation and heat-shrinkable stress control sleeves non-tracking, heat-shrinkable outer insulation water- and corrosion-resistant, of conductor cross section 95-300 sq.mm, diameter over cable insulation 30-86mm, max diameter over outer cable sheath 110 mm creepage distance appx 2300 mm all as per Raychem product description OHVT-72H or equivalent make complete all as specified and as directed. |
| 15 | Supply and refilling of SF6 (Sulfur hexaflouride gas) for 66 KV SF6 outdoor circuit breaker to cool and Quench the arc on opening of circuit transmission class discharge capacity of 69KV for normal operation to maintain the desired pressure in SF6 and RMU as per OEM design and testing the pressure of each SF6 breaker of 66 KV and 11 KV RMU complete all as specified and as directed. |
| 16 | Supply and fix in replacement of old unserviceable PT with new potential transformer resin cast epoxy with protective enclosure of ratio 11 KV/RT3/110V/RT3 /110V/RT3 Class 1.0/3P, Burden 100VA/50VA Voltage Factor 1.2 continuous / 1.5 for 30 seconds. ILV 12/28/75 KVP. INS class B Ref Std IS : 3156/1992 One end earthed type with one No HRC fuse on HV side complete all as specified and as directed.NOTE :- Primary Neutral to be solidly earthed including removing of old unserviceable PTs. MAKE : KALPA / INSTRANS / PARAS. |
| 17 | Supply and fix in replacement of old unserviceable CT with new CT 11 KV, CT ratio 300-150 / 5-5-1A for 5 MVA Transformer Additional control relay panel for protection complete all as specified and as directed. MAKE : KALPA / INSTRANS / PARAS |
| 18 | Supply and fix in replacement of old unserviceable CT with new CT 11 KV, CT ratio 420-240 / 5-5-1 A for 8 MVA Transformer Additional control relay panel for protection complete all as specified and as directed. MAKE :- KALPA / INSTRANS / PARAS. |
| 19 | Supply and fix in replacement of old unserviceable lightening arrestor 66 KV complete all as specified and as directed. |
| 20 | Supply and fixing in replacement of old unserviceable of Aviation obstruction light LED type tower Arial Lights 9 watt @ 230 volts per lamp , IP - 65, 60 Micron, comprising of aluminium housing with polycarbonate complete all as specified and as directed. |
| 21 | Supply only OLTC Spares required for 5 MVA / 8MVA Transformer complete all as specified and as directed. |
| 22 | (a) Fixed contacts |
| 23 | (b) Roller contacts- 3 sets |
| 24 | (c) Resistor |
| 25 | (d) Top gasket |
| 26 | Testing of outdoor SF-6 circuit breaker of rated voltage 66 KV for 5/8 MVA 66 KV transformer by checking the three pole SF6 breaker closing and Tripping Timing complete, Overhauling motor and gear mechanism, repair to all power contactor 1100 volts, and testing the control cables and cable connection for the smooth functioning of system complete all as specified and as directed. |
| 27 | Supply and fixing in replacement of Tripping coil for 11 KV 400 / 800 Amp VCB 30 / 110 V DC including taking out old unserviceable coil complete all as specified and as directed. |
| 28 | Supply and fixing in replacement of Closing coil for 11 KV 400 / 800 Amp VCB 30 / 110 V DC including taking out old unserviceable coil complete all as specified and as directed. |
| 29 | Supply and fixing tripping and closing coil with assembly for 66 KV SF6 breaker DC 110 V 100 W including taking out old unserviceable coil assembly complete all as specified and as directed. |
| 30 | Supply and fixing in replacement vaccum Interpture bottle for the existing HT VCB including taking out old unserviceable vaccume Interrupter bottol complete all as specified and as directed. MAKE :- BHEL or Equivalent. |
| 31 | Supply and fixing in replacement Master Tripping Relay rating of 24 / 30 / 110 V DC for the existing HT VCB / OCB / RMU 11 KV panels complete all as specified and as directed. |
| 32 | Supply and fixing in replacement spring charging motor for 11 KV VCB suitable for the existing make including taking out old unserviceable one complete all as specified and as directed. |
| 33 | Maintenance and servicing of 66 KV GOS, cleaning of carbon pits, greasing, checking proper alignment, lubrication with petroleum gel / CTC including replacing of defective minor items as and when required, Testing smooth operation with electrically driven motor mechanism complete all as specified and as directed. |
| 34 | Servicing and testing of indoor floor mounted remote control cubicle RTCC panel by testing remote tap position indicator meter, tap changer in progress signal lamp with belt. Raise / lower push buttons for remote operation. Supply on / off indicating lamps, control cable RTCC Panel Auto Mode relay , AVR, control transformer repair and cable connection complete all as specified and as directed.NOTE :-Connected items shall be measured and paid separately under respective items of Schedule. |
| 35 | Supply only Control spares for RTCC Panel (indoor floor mounted remote control cubicle) complete all as specified and as directed. |
| 36 | Supply only auto mode, AVR, control transformer relay for RTCC Panel (indoor floor mounted remote control cubicle) complete all as specified and as directed. |
| 37 | Material and labour for painting all steel poles, all steel structures, complete with cross arm, lightening arresters, GOS structures, Busbars, PT / CT structures, SF6 / MOCB structures, insulator supporting structures etc with two coats of synthetic enameled paint of existing colour including filling cavities with filler after cleaning dust at 66 KV MRS I complete all as specified and as directed. |
| 38 | Material and labour for painting of 5 / 8 MVA Transformer complete with cross arm, Busbars, insulator supporting structures etc with two coats of synthetic enameled paint of existing colour including filling cavities with filler after cleaning dust at 66 KV MRS-1 complete all as specified and as directed. |
| 39 | Testing of power transformer 66 KV / 11 KV of capacity 5000 KVA / 8000 KVA by the authorized company representative and test certificate shall be furnished. All as directed by the Engineer-in-Charge.(a) Insulation resistance test(b) Oil temperature alarm trip(c) Winding temperature alarm trip(d) Bucholtz relay alarm trip(e) Low oil level alarm trip (MOG)(f) Vector group(g) Di-electric test of transformer oil(h) Short circuit test(j) Transformer ratio test (TRT)(k) Magnetic core balance test (MBT)(l) Testing of Winding resistance test |
| 40 | Replacement of unserviceable existing make and model IDMT relay numerical non directional over current and earth fault relay with communication feature (RS 485) with full automation system should comprise of the following feature :-(a) Three phase over current and one earth fault,(b) High set - low set(c) RS-485 with full communication system(d) Multi characteristic for both over current and earth fault.MAKE : SCHNEDIER / C&S / L&T / ABB |
| 41 | Supply and fix of Multi Data Meter, measuring Voltage, Current, PF, HZ, KWH, KVAH, KVARH for out going various feeders to different labs complete all as specified and as directed.MAKE : SCHNEIDER / ELMEASURE |
| 42 | Supply and fix in replacement of 66 KV grade aluminum pad clamps as per existing sample complete all as specified and as directed. |
| 43 | Supply and fix in replacement of 66 KV grade lightening arrestor clamps as per existing sample complete all as specified and as directed. |
| 44 | Supply and fix in replacement of 66 KV grade current transformer clamps as per existing sample complete all as specified and as directed. |
| 45 | Supply and fix in replacement of 66 KV grade potential transformer clamps as per existing sample complete all as specified and as directed. |
| 46 | Supply and fix in replacement of 66 KV grade 'T' Clamps as per existing sample complete all as specified and as directed. |
| 47 | Supply and fix in replacement of 66 KV grade flexible bus joints as per existing sample complete all as specified and as directed. |
| 48 | Supply and fix in replacement of S/S bolts, nuts and washers for the existing structures and etc complete all as specified and as directed. |
| 49 | Supply and fix in replacement of 66KV grade drake as per existing sample complete all as specified and as directed. |
| 50 | Supply and fix in replacement of radiator gasket for 5MVA transformer complete all as specified and as directed. |
| 51 | Supply and fix in replacement of radiator gasket for 8MVA Transformer complete all as specified and as directed. |
| 52 | Supply and fix in replacement of WTI OTI for 5MVA Transformer complete all as specified and as directed. |
| 53 | Supply and fix of 5MVA transformer primary side R Phase end termination 250 sq.mm, supporting insulator for 66KV complete all as specified and as directed. |
| 54 | Supply and fixing in replacement of HT digital display voltmeter suitable for HT OCBs, HT VCBs at various substation suitable for HT panels 66KV / 11 KV including necessary connections and taking out old unserviceable complete all as specified and as directed. MAKE:- SCHNIDER / ELMEASURE. |
| 55 | Supply and fixing in replacement of HT digital type ammeter suitable for 66KV / 11 KV panels including necessary connections and taking out unserviceable Ammeter complete all as specified and as directed. MAKE :- SCHNIDER / ELMEASURE. |
| 56 | Supply and fixing push botton on/off suitable for LT panel of existing size including removing old unserviceable of colour Red, Green, Blue,Yellow (as per site requirement) complete all as specified and as directed. |
| 57 | Supply and fixing indicator lamp assembly complete LED type suitable for 30V DC or 110V AC including fixing in Panel including taking out unserviceable complete all as specified and as directed.MAKE :- VAISHNO or Equivalent. |
| 58 | Supply and fix in replacement of shunt trip coil suitable for VCB / OCB of 400 Amps / 800 Amps capacity of 110 volts complete all as specified and as directed. |
| 59 | Supply and fix in replacement of Trip-Neutral-Close (TNC) Switch, fixing with the existing HT VCB / OCB 11 KV panel for including taking out old unserviceable TNC Switch complete all as specified and as directed. |
| 60 | Supply and fix in replacement of spring mechanism with gear for 66 KV Out door type suitable for the existing make including taking out old unserviceable one complete all as specified and as directed. |
| 61 | Supply and fix in replacement of moving contact assembly suitable for HT VCB / OCB 11 KV 400 Amps / 800 Amps VCB / OCB includes dismantling the old unserviceable moving contact assembly suitable for HT VCB / OCB complete all as specified and as directed. |
| 62 | Supply and fix in replacement of Power Pack 230 V AC / 110 V DC including dismantling the old unserviceable complete all as specified and as directed. |
| 63 | Supply and fix HT spout bushing for VCB HT 11 KV, busbar side including taking out old unserviceable bushing complete all as specified and as directed. |
| 64 | Supply and fix in replacement of flanged Gate Valve Size 100 mm dia for the existing Transformer for including taking out old unserviceable Valves complete all as specified and as directed. |
| 65 | Supply and fix in replacement of flanged Gate Valve Size 50 mm dia for the existing Transformer for including taking out old unserviceable Valves complete all as specified and as directed. |
| 66 | Supply and fix in replacement of flanged Gate Valve Size 25 mm dia for the existing Transformer for including taking out old unserviceable Valves complete all as specified and as directed. |
| 67 | Material and labour for finding out the cable fault of any size of cable upto 11 KV under ground cable (HT and LT and of any capacity of cable with the help of cable fault locator mounting on vehicle and with necessary disconnection of cable from two ends and making connection by joining after repairs and having the following items with electrician at site to find fault of up to length of 10KM cable complete all as specified and as directed by Engineer-in-Charge with help of the following accessories. (a) Surge Generator with accessories(b) Head Phone(c) Pin Point Set T-505 with accessories(d) Earthing cable with clamp (e) Cable fault Locator T-905 with accessories (f) TC-808 with accessories (g) Soldering Iron/wire/capacitor unit/capacitor connecting cables/ power cable/nose plier. NOTE :- Excavation for the cable fault shall be done by the contractor by his own arrangement. |
| 68 | Supply and fix in replacement of old unserviceable cable with new control cable 1100 volt grade with PVC insulated steel armoured with multi stranded copper conductor for the following sizes :- |
| 69 | (a) 2 core 2.5 sq.mm |
| 70 | (b) 4 core 4 sq.mm |
| 71 | (c) 10 core 2.5 sq.mm |
| 72 | (d) 16 core 1.5 sq.mm |
| 73 | Maintenance and servicing of battery panel 220 / 110 / 30 / 24 V DC with batteries and its control panels wiring, PCB, relays and terminal cables with replacement of defective parts complete all as specified and as directed. |
| 74 | Supply, install, testing and commissioning maintenance free (SMF) lead acid battery, 2 Volts, comprising of maintenance free batteries of reputed make complete with all accessories including taking down old unserviceable battery from battery bank complete all as specified and as directed. |
| 75 | Material and labour for complete repair of the earthing including the Earth pit cover, funnel, replacement of bolts and nuts, GI pipe, Salt and charcoal complete set as per requirements. Chamber cover should be marked as Earth pit, all the lift earth pit value to be measured and test report shall be submitted to the office for record complete all as specified and as directed.NOTE :- 1. Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre.2. Rates are included the repair/marking and testing complete.3. If new earthing GI wire 4mm dia/32 x 6mm Strip required will be measured and paid separately.4. Earth resistance not exceeding 1.0 ohm.5. Test report from NABL accredited lab for each earth pit is mandatory requirement for measurement of the item |
| 76 | Material and labour for spray painting of distribution transformer with two coats of synthetic enamel paint of smoke grey colour after neatly cleaning and preparing the surface for spray painting the transformer of the following capacity including writing SM / MES No (5 cm height) with white enamel paint of capacity 100 KVA to 200 KVA complete all as specified and as directed. |
| 77 | Material and labour for opening of all connections of electric power cable of any size from the electrical panel, cleaning and replacing of aluminium lugs of existing cable of size upto 400 sq.mm upto 20 Nos in each panel and checking of all electrical wiring of panel and servicing of bus bar strip changing etc and tightening of nuts and bolts and making all connection as per original including testing for entire satisfaction of Engineer-in-Charge. |
| 78 | Material and labour for repair of LT panel board by replacement of broken / unserviceable front door of LT panel made out of 3.15mm thick MS sheet to shape for proper closing the front door in two parts inclusive making locking arrangement of LT panel and welding of new hinges including spray painting of panel board complete all as specified and as directed. |
| 79 | Supply and laying Sealing Compound bitumen for arresting of holes at VCB / OCB / SF6 Breaker panels 11 KV rating etc complete all as specified and as directed. |
| 80 | Taking down in trenches, fixed on walls, passing through pipes, jointing and testing of electric LT UG cables any capacity / size upto 400 sq.mm 3.5 core, PVC insulated, PVC sheathed, galvanised steel strip or wire armoured electric power cables with stranded aluminium conductors 1100 Volts grade complete all as specified and as directed by Engineer-in-Charge. |
| 81 | Trimming of tree / branches including cutting of grass at substation and surrounding upto 5 Mtr radius and removing the grass and branches and transporting the same out side the labs complete all as specified and as directed. |
| 82 | Supplying, spreading and leveling stone aggregate of 20 mm size to the existing sub station complete all as specified and as directed.NOTE :- Aggregate nominal size without any vegetation or chemical including levelling / spreading surrounding transformer, HT / LT 2/4 pole structure and LT/HT panel complete all as directed . |
| 83 | Supplying, spreading and leveling graded course stone aggregate of 40mm size to the existing sub station complete all as specified and as directed.NOTE :- Aggregate nominal size without any vegetation or chemical including levelling / spreading surrounding transformer, HT/LT 2/4 pole structure and LT/HT panel complete all as directed . |
| 84 | Supply, laying and testing in replacement of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 300 sq.mm complete all as specified and as directed.NOTE :- (i) Excavation & earth work will be measured and paid separately under respective item.(ii) Taking out existing HT/ LT cables of any size and make from duct / trenches with removing stone patties / cable covers by disconnecting from transformers / OCB's / LT switches and relaying if required /stacking properly |
| 85 | All as per Ser item No 74 above 185 sq.mm 3 core complete all as specified and as directed. |
| 86 | Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for laying cables / poles foundation / stay assembly and getting out in hard / dense soil complete all as specified and as directed. |
| 87 | Removing excavated material not exceeding 50 m and deposting where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed. |
| 88 | Returning filling in including spreading levelling watering and well ramming in layers n.exc 25cm complete all as specified and as directed by Engineer-in-Charge. |
| 89 | Material and labour for sand cushioning to under ground cable providing with a layer 8cm thick before laying the cable and 15 cm thick after laying the cable complete all as specified and as directed. NOTE :- Punned thickness only will be measured for the purpose of payment. |
| 90 | Material and labour for unreinforced pre cast concrete covers class HV type 300mm x 180mm x 40mm size factory made for cable protection complete all as specified and as directed. |
| 91 | Supply and fix heat shrinkable HT 11KV out door type cable end termination suitable for XLPE cable of 3 core 120 sq.mm to 185 sq.mm earth system with necessary jointing material and labour termination kit including connection etc complete all as specified and as directed. |
| 92 | Supply and fix heat shrinkable HT 11KV out door type cable end termination suitable for XLPE cable of 3 core 240sq.mm to 300 sq mm earth system with necessary jointing material and labour termination kit including connection etc complete all as specified and as directed. |
| 93 | Material and labour for earthing complete with galvanised iron plate electrode 600 x 600 x 6.00mm thick GI earthing lead burried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with the top edge of the plate at a depth not less than 1.5 mtr from below normal GL, connected to and including Galvanised iron strip 32x6 mm as earthing lead by means of nuts, bolts, washers, checknuts of galvanised iron and connected to earthing test point all as shown in electric plate No. 3 of SSR Part l of 2010 and as specified or indicated and testing on completion including excavation / earth work in any type of strat PCC (1:3:6) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete (1:2:4) type B1 (Reinforced with welded steel wire fabric (XPM)) weight not less than 4 Kg/sqm,cast iron frame, funnel with wire mesh, including GI earth strip with GI protection pipe of 40mm medium grade 7.5 meter long etc complete and testing on completion complete all as specified and as directed. |
| 94 | NOTE :- 1. Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre, PCC pit, funnel and RCC cover plate.2. GI strip above 7.5m will be measured and paid separately.3. Earth resistance not exceeding 1.0 ohm. |
| 95 | Supply and fix in replacement GI strips of size 32 mm x 6mm for body earthing for the transformer 5/8MVA 66/11 KV and CTs, PTs out door type, including fabrication work such as bending, drilling making holes for connecting with welding works as directed including excavation and earth work and taking out the unserviceable strip complete all as specified and as directed. |
| 96 | Supply and fix in replacement danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT 20x15cm size complete all as specified and as directed. |
| 97 | Supply and fix in replacement danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT 25x20cm size complete all as specified and as directed. |
| 98 | Supply and laying Synthetic Insulating Mat of size 2.00Mtr x 1.00Mtr x 2.5 mm thick suitable for upto 33KV grade complete all as specified and as directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 06, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 26, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysOct 28, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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