Tender For Repair/ Maintenance Of Transformer Ht/ Lt Switch Gears Alongwith Connected Accessories At Hq Ids Under Ge New Delhi
Tender Value
9 Lakhs
Estimated cost
Bid Submission
21 Jul 2026
20 days left
EMD
18000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
New Delhi → Delhi
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/ Maintenance Of Transformer Ht/ Lt Switch Gears Alongwith Connected Accessories At Hq Ids Under Ge New Delhi
BOQ
| Sl. No. | Item Description |
| 1 | M & L for Disconnecting and Servicing of Transformer of rating 1000 KVA transformer,11 KV / 433 V Dry type Transformer with OLTC Service (Air cooled), disconnecting all Internal Connections of HT/LT Side for Periodical Maintenance, air blowering, Nut bolt tightness, Core Clamp Tightening, Cleaning with CTC HT and LT Insulator etc. and then after asembling to all complete all as specified and as directed.Protection Check :- WTI Alarm, WTI Trip and Door Open Trip Check.Testing of Transformer :-➢ IR Value➢ Voltage Ratio➢ Magnetic current balance➢ Magnetic Voltage balance➢ Continuity Test➢ Lamp series Test➢ High Voltage Test |
| 2 | M & L for Disconnecting and Servicing LT ACB of capacity 800 Amps to 2000 Amps by disconnecting from the busbar and cleaning with air blowering CRC, CTC, Grease, B nut-bolt tightening replacing all unserviceable parts of finger contact with male female set and wiring with new copper conductor cable of 2.5 sq mm. Replacing the U/S mechanical spring system, fixed and moving contacts, replacement of bearing of spring charge motor. complete all as specified and directed.Note : Replacement of spares such as Selector switch, fixed Arc contact, moving Aec contact, Auxiliaey, motor Mechanism, control Fuses HRC type paid seperetely and all the items mentioned below are tentative and may vary in specification and quantity during execution |
| 3 | S&F in repair of Fixed Arc Contact- 3 pole suitable for existing ACB Panel as per existing make complete all as specified and directed. |
| 4 | S&F in repair of Moving Arc Contact- 3 pole suitable for existing ACB Panel as per existing make complete all as specified and directed. |
| 5 | S&F in repair of Auxiliary contact 4 No+ 4 NC suitable for existing ACB Panel as per existing make complete all as specified and directed. |
| 6 | S&F in repair of Motor Mechanism for 800 Amps ACB suitable for existing ACB Panel as per existing make complete all as specified and directed. |
| 7 | S&F in repair of Control Fuses HRC type 2 to 10 Amps suitable for existing ACB Panel as per existing make complete all as specified and directed. |
| 8 | M & L for servicing/calibration of IDMT Relays, Calibration of Secondary Injection Test and Primary Injection Test with High Voltage, CT Ratio Test, CT Polarity Test, CT continuity test complete all as specified and directed. NOTE :- Contractor will submit test report. |
| 9 | Supplying, installing, testing and commissioning of 30V/5A SCR controlled Float Cum Boost Battery Charger unit including battery bank comprising 2 Volts/100 AH Cells-15 Nos sealed maintenance free battery. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the output voltage of the float cum boost charger, 01 No electronic controller,DC digital ammeter, DC digital voltmeter, Potentiometer, DC, MCB for reverse battery protection.surge suppression. During auto float mode The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness, louvers for ventilation, gland plate will be provided for cable entry from bottom.The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls, the lower compartment shall be suitable for housing the batteries, complete all as specified and directed. Technical specification is asunder :-a) Input working voltage-180-270Volts (b) Nominal Input Voltage-230V,AC,50Hz,1 (c) On load input power factor ->0.8 (d) On load unit watt efficiencies ->80% (e) No load losses of complete charge -< 10% (f) Ripple contents on the load (RMS)=1% to 5% (g) Overload 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging-2.4V/Cell. (j) Float charging-2.15V/Cell (k) Float cum boost charging Automatically changes battery condition and will give the visual indication from one state to another state as per for either float or boost based on charging. |
| 10 | M & L for Disconnecting and Servicing of 11 KV 630-800 Amp VCB Panel with CT Chamber, PT Chamber and Busbar Chamber Cleaning, Airblowering clean and nut-bolt tightening,and reassembling, testing and commissioning etc. of any make as required to complete all as specified and directed. Note : Replacement of spares such as space heater, CT ratio, LED indicator, spout insulator, Bus Bar insulator, breaker charging motor,Trip coil, Release coil paid seperetely and all the items mentioned below are tentative and may vary in specification and quantity during execution |
| 11 | Supply, Installation, testing & Commissioning in repair of 11 KV / 110 Volt Potential transformer draw out type suitable for existing VCB as per existing make or equiv complete all as specified and directed. |
| 12 | Supply, Installation, testing & Commissioning in repair of Current Transformer (CT) ratio 100/50/5+5 Protection class 5P 10, Metering class 1( Set of 3) suitable for VCB as per existing make or equiv complete all as specified and directed |
| 13 | supply, installation &Testing in repair of 11KV 800Amp UnivacType Vaccum Interrupter for existing VCB complete all as specified and directed. |
| 14 | S&F in repair Shunt Trip Coil Assembly 24V DC with control wiring compatible as per existing in specifications and dimensions complete all as specified and directed. |
| 15 | S&F in repair Release coil 24V DC with control wiring compatible as per existing in specifications and dimensions complete all as specified and directed. |
| 16 | S&F in repair of Selector switch with wiring Suitable for as per existing make and taking complete all as specified and directed. |
| 17 | S&F in repair LED lamp indicator 24V/ 110 V/ 220 V with wiring suitable as per existing make complete all as specified and directed. |
| 18 | S&F in repair Digital Ampere and Volt Meter complete all as specified and directed |
| 19 | Supply,Installation,testing & Commissioning in repair of Panel Space Heater with thermostat 80- Watt 230 V AC complete all as specified and directed. |
| 20 | Supply,Installation,testing & Commissioning in repair Microprocessor based digital Over current and earth fault Relay with instantaneous programmable relay including setting up of parameters as per the existing site conditions complete all as specified and directed |
| 21 | Supply, Installation, testing & Commissioning in repair of transformer protection relay Range 0-300 degree Centigrade Auxiliary supply 220V AC Working for WTI Alarm and WTI Trip Transformer Protection and its control wiring connection.complete all as specified and as directed. |
| 22 | S&F in repair Power factor relay 8 step complete all as specified and directed. |
| 23 | M&L for servicing and complete disconnecting of APFC panel of 70 KVAR from all incoming/outgong connection of any capacity, checking the serviceability of all components i.e existing capacitors,contactors, MCB's,MCCB, indicator lights, power factor controller,replacement of burnt out PVC insulated copper wire,copper thimble, MCB's SPN C Series (6-25Amp) and re-connect the same after thoroughly clean and testing including internal wiring of the panel with one coat of red oxide primer out side and two coats of red oxide primer insid all as required and directed at site. (Note:- Capacitors, contactors, MCCB and power factor controller items measured and paid separately). |
| 24 | M&L for servicing and complete disconnecting of APFC panel of 100 KVAR from all incoming/outgong connection of any capacity,checking the serviceability of all components i.e existing capacitors, contactors,MCB's,MCCB,indicator lights, power factor controller,replacement of burnt out PVC insulated copper wire,copper thimble, MCB's SPN C Series (6-25Amp) and re-connect the same after thoroughly clean and testing including internal wiring of the panel with one coat of red oxide primer out side and two coats of red oxide primer insid all as required and directed at site. (Note:- Capacitors, contactors, MCCB and power factor controller items measured and paid separately). |
| 25 | S & F in replacement ON LOAD change over switch 415V for ACB in sheet metal enclosures 4 pole of capacity 1600 Amps complete all as specified and directed. |
| 26 | S & F in repair Heavy duty capacitor 440volt,3phase 50 Hz of capacity 70 KVAR.Make :L&T/ Legrand /Havells |
| 27 | S & F in repair Heavy duty capacitor 440volt,3phase 50 Hz of capacity 100KVAR.Make: L&T/ Legrand/Havells |
| 28 | S & F in repair Contactors Type MOC70 for 70 KVAR rating @ 415 Volt 3 phase (including 1 NO + 1 NC) Make : L&T/ Legrand /Havells |
| 29 | S & F in repair Contactors Type MOC100 for 100 KVAR rating @ 415 Volt 3 phase (including 1 NO + 1 NC) Make : L&T/ Legrand /Havells |
| 30 | M & L for Preparation of external surfaces of Outdoor/Indoor type both transformer unit of capacity 1000 KVA for painting including fins/radiators, removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation writing SM/MES number, complete all as specified & directed. |
| 31 | M & L for Preparation of external surfaces of HT VCB panel for painting including removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation including writing SM/MES number etc complete all as specified & directed. |
| 32 | M & L for Preparation of external surfaces of APFC panel for painting including removal of all rust/oil/grease and unwanted material and applying two coats of synthetic enamel metallic paint, smoke grey, by means of spray gun at site of installation including writing SM/MES number etc complete all as specified & directed. |
| 33 | S & F in repair for Discharge rod for discharging of HT side (11 KV) 3 metre long.Complete all as specified and directed . |
| 34 | S & F in repair synthetic Rubber insulated mats 2 mm thick for voltage upto11kv for electrical purpose as per IS 15652-2006,(superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m. |
| 35 | S & F in replacement Danger notice plate for HT of 25 cm x 20 cm x 1.6 mm thick mild steel sheet vitreous enameled white, with letters, figures and conventional skull and bones and wtitten as \\"DANGER\\" in signal red colour and incl provn and fixed with MS clamps made out of MS flat 25 mm x 3mm , including nuts & bolts, including 2 coats of aluminium paint over a coat of red oxide primer all as specified. Note :- Words shall be written in two languages viz. Hindi and English. |
| 36 | S & F in replacement of MCCB 4 pole 415 volt of capacity 400 Amps breaking capacity not less than 36 KA complete all as specified and directed |
| 37 | S & F in replacement of MCCB 4 pole 415 volt of capacity 200 Amps breaking capacity not less than 36 KA complete all as specified and directed |
| 38 | M&L Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground vertically at a depth not less than 2.25 metres below normal ground level with top edge of the plate at a depth not less than 1.5 metres below normal ground level, connected with and including GI strip 32mm x 6mm upto test point and incl Aluminium strip 25x3.15mm from test point to equipment and including GI pipe 40mm bore light grade as protection pipe (from top of earth plate up to the test point) by means of GI bolts, nuts, check nuts and washers of GI and thimbles, earth plate surrounded by packed layers of charcoal dust and common salt 15cm thick, all around including top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh, PCC chamber of size 300x300x300mm (top of chamber minimum 15 cm above the normal ground level (1:3:6) using 20mm graded stone aggregate and RCC cover (1:2:4) type B-I using 20mm graded crushed stone aggregate with 1 nos MS handles of 8mm dia including necessary excavation/ earth work in any type of soil/rock and as shown in Electrical plate No. 3 of SSR Part-I (2009) testing on completion complete all as specified.NOTE :- The cost of taking down old unsv earthing with all its accessories is deemed to be included in the unit price. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jun 30, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedJul 21, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 20 daysJul 23, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 22 days