Tender For Repair / Maintenance Of Servo Voltage Stabilizer, Isolation Transformer And Other Connected Works At Af Stn Chabua Under Ge (Af) Chabua
Tender Value
40 Lakhs
Estimated cost
Bid Submission
10 Oct 2026
18 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
Dibrugarh → Assam
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair / Maintenance Of Servo Voltage Stabilizer, Isolation Transformer And Other Connected Works At Af Stn Chabua Under Ge (Af) Chabua
BOQ
| Sl. No. | Item Description |
| 1 | M & L for rewinding 433 Volts LV coils of voltage stabilizer/isolation transformer of using proper size super enameled copper wire suitable for working voltage 1.1 KV including three layer insulated material as per existing size of core including testing and commissioning complete all as specified and directed.NOTE :-i). Oil filtration,supply of new oil will be measured separately.ii). All petty parts including nut, bolts, gasket minor weldings are deemed to be included the rate quoted.iii). The rate for taking out,refixing after repair,both side transportation, lifting /unloading of voltage stabilizer/isolation transformer by crane /manual should be deemed to include in the rate quoted. |
| 2 | Dismantling and taking out old worn out reversible synchronus motor from the voltage stablizer and supply and fix reversible servo motor (3 Kgs.) with RC, single phase 230 Volts as per existing make & model all as specified and directed. |
| 3 | Dismantling and taking out old worn out reversible synchronus motor from the voltage stablizer and supply and fix reversible servo motor (10 Kgs.) with RC, single phase 230 Volts all as specified and directed. |
| 4 | Dismantling and taking out old worn out reversible synchronus motor from the voltage stablizer and supply and fix reversible servo motor (20 Kgs.) with RC, single phase 230 Volts as per existing make & model all as specified and directed. |
| 5 | Supply and fix in replacement of Transformer suitable for 50 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 6 | Supply and fix in replacement of Transformer suitable for 60/63 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 7 | Supply and fix in replacement of Transformer suitable for 100 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 8 | Supply and fix in replacement of Transformer suitable for 200 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 9 | Supply and fix in replacement of Transformer suitable for 300 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 10 | Supply and fix in replacement of Transformer suitable for 500 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 11 | Supply and fix in replacement of Transformer suitable for 630 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 12 | Supply and fix in replacement of Transformer suitable for 1000 KVA Servo voltage stabilizer as per existing make & modelall as specified and ditrected at site |
| 13 | Supply and fix in replacement of Dimmer suitable for 50 to 60 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 14 | Supply and fix in replacement of Dimmer suitable for 100 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 15 | Supply and fix in replacement of Dimmer suitable for 200 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 16 | Supply and fix in replacement of Dimmer suitable for 300 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 17 | Supply and fix in replacement of Dimmer suitable for 500 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 18 | Supply and fix in replacement of Dimmer suitable for 630 KVA Servo voltage stabilizer as per existing make & model all as specified and ditrected at site |
| 19 | Supply and fix in replacement of Dimmer suitable for 1000 KVA Servo voltage stabilizer all as specified and ditrected at site |
| 20 | Dismantling and taking out old unsv /defected servo control box from the servo voltage stablizer and supply and fix servo control box suitable upto 3 phase 1000 KVA Servo voltage stabilizer as per existing make & model complete all as specified and directed at site. |
| 21 | Dismantling and taking out old unsv /defected PCB from the servo voltage stablizer and supply and fix (PCB) suitable for 3 phase 1000 KVA voltage stabilizer as per existing make & model complete all as specified and directed at site. |
| 22 | S & F in repairs carbon brush of voltage stabilizer as per existing make & model complete all as specified and directed. |
| 23 | Supply and fix in replacement of 1 KVA ,single phase, Air cooled isolation transformer,Nos of phases- Single,Ratio- 1:1,Input voltage 240 V +/- 2.5%, Output voltage 240 V +/- 2.5 % complete all as specified and ditrected at site |
| 24 | M&L for spray painting of servo voltage stabilizer/isolation Transformer, preparation of old painted surfaces of steel body by brushing/cleaning stain, greasy spots with thinner outside of voltage stabilizer/Isolation transformer indoor/outdoor type capacity 10 KVA to 30 KVA to match with existing colour as per direction by Engr-in-Charge. |
| 25 | Ditto as per ser item No 24 above but capacity of 50 KVA to 100 KVA |
| 26 | Ditto as per ser item No 24 above but capacity of 200 KVA to 300 KVA |
| 27 | Ditto as per ser item No 24 above but capacity of 500 KVA to 630 KVA |
| 28 | Ditto as per ser item No 24 above but capacity of 1000 KVA |
| 29 | S & F in repair top cover gasket/cock sheet suitable for 10 KVA to 50 KVA Voltage Stabilizer/Isolation transformer complete all as specified and directed at site. |
| 30 | Ditto as per ser item No 29 above but capacity of 60 KVA to 160 KVA |
| 31 | Ditto as per ser item No 29 above but capacity of 200 KVA to 315 KVA |
| 32 | Ditto as per ser item No 29 above but capacity of 500 KVA to 630 KVA |
| 33 | Ditto as per ser item No 29 above but capacity of 1000 KVA |
| 34 | S & F in repairs control wiring of voltage stabilizer capacity upto 1000 KVA complete all as specified and directed. |
| 35 | S & F in repairs big gear of servo voltage stabilizer capacity upto 1000 KVA as per existing make & model complete all as specified and directed. |
| 36 | S & F in repairs small gear of servo voltage stabilizer capacity upto 1000 KVA as per existing make & model complete all as specified and directed. |
| 37 | S & F in repairs high low voltage cut off circuit of voltage stabilizer as per existing make & model complete all as specified and directed. |
| 38 | M&L for dehydration & filteration of voltage stabilizer/isolation transformer oil by dehydration plant (bringing plant at site) including testing of sample before and after dehydration and filteration to achieved 40 KV at 2.5 mm gap complete all as specified and directed by Engr-in-ChargeNote : (i) The filteration of the voltage stabilizer /isolation transformer oil shall be carried out at different locations of the AF Stn Chabua.(ii) The report before filteration & after filteration to be submitted by contractor .(iii) Oil for topping up will be measured and paid separately.(iv) Centrifuging Machine with all T&P & testing equipment required for dehydration to be arranged by contractor. |
| 39 | Supply & toping up of new voltage stabilizer/isolation transformer oil (in sealed barrel) conforming to IS 335 std having dielectric strength 40 KV at 2.5 mm gap after initial dehydration complete all as specified .Make : Savita/Castrol/Power True/Truoil. |
| 40 | Supply and fixing in repair digital voltmeter, ranging from 0 to 500 Volts, including providing necessary electrical connections (to accommodate in panel board) as per existing make & model complete all as directed by the Engr-in-Charge. |
| 41 | Supply and fixing in repair digital ammeter, ranging from 0 to 400 Amps (with CT of suitable ratio), including providing necessary electrical connections (to accommodate in panel board) as per existing make & model complete all as directed by the Engr-in-Charge. |
| 42 | S & F in repairs Indicator Lamps (LED type) including providing necessary electrical connections (to accommodate in panel board) as per existing make & modelcomplete all as directed by the Engr-in-Charge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 21, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 10, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 18 daysOct 17, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 25 daysTender Documents
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