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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹5.8 LAccepted-Finance | L1 | Accepted-Finance accepted | |
| 2 | L2₹8.7 L+₹2.9 L (49.5%)Accepted-Finance SALEM | SALEM | L2 | Accepted-Finance accepted |
| Sl No | Description | Qty | Unit | Delta Roto Tech Private LimitedV L2 | KRAM ELECTRICAL WORKS L1 |
|---|---|---|---|---|---|
| 1.10 | Rewinding of one phase of HV and LV winding with new copper (225 KG) and new insulation, drying out and conducting necessary test to 2 MVA/ 1.6 MVA service transformer and transporting to NCTPS-I. Labour charges | 3 | Nos | 55,000 ₹1,65,000 Lowest | 60,000 ₹1,80,000 |
| 1.20 | Material charges | 675 | kgs | 1,200 ₹8,10,000 | 750 ₹5,06,250 Lowest |
| 2.00 | Releasing the Buchholz relay, conservator tank, vent pipe, oil & winding temperature gauges, Disconnection of winding CT terminals. | 1 | No | 18,500 ₹18,500 | 6,900 ₹6,900 Lowest |
| 3.00 | Removing the top cover of the transformer and disconnecting the HV/LV leads from Bushings and lifting the core and winding. | 1 | No | 12,000 ₹12,000 | 5,280 ₹5,280 Lowest |
| 4.00 | Complete cleaning of the transformer tank, core winding, sludge removing and removing old gasket. | 1 | No | 12,500 ₹12,500 | 3,200 ₹3,200 Lowest |
| 5.00 | Complete cleaning of the Tap switch and attending defects if any during testing. | 1 | No | 2,500 ₹2,500 Lowest | 4,550 ₹4,550 |
| 6.00 | Cleaning, servicing and gasket replacement to Buchholz relay, MOG, oil level gauge glass, explosion vent pipe, conservator tank, silicagel & replacement of diaphram. | 1 | No | 9,000 ₹9,000 | 7,680 ₹7,680 Lowest |
| 7.00 | Dismantling of HV & LV Bushings, cleaning, checking the bushing roads, replacing the deteriorated O rings & gasket by new, assembling and fixing in the transformer tank. | 1 | No | 5,000 ₹5,000 Lowest | 9,600 ₹9,600 |
| 8.00 | Repositioning of the core & winding assembly in Transformer tank and reconnecting the HV/LV leads | 1 | No | 13,000 ₹13,000 | 3,350 ₹3,350 Lowest |
| 9.00 | Providing new gasket at top cover and fixing the top cover. | 1 | No | 6,000 ₹6,000 | 3,900 ₹3,900 Lowest |
Tender Value
Refer Docs
EMD Value
₹8,600
Closing Date
31 Oct 2025, 2:00 pmClosed
SE/ES/NCTPS-I
Superintending Engineer Electrical System NCTPS I Chennai 120
NCTPS I ES Circle EM I Dn S Dn I Complete Rewinding and rectification of defective 2 MVA 6 6KV 433V Unit service transformer 1A at NCTPS I ES Circle EM I Dn S Dn IV Annual over hauling of LT Motors at Unit II during the year 2025 26
2025_EB_615365_1
CE/NCTPS-I/SE/ES/WC-36/2025-26
Open Tender
Power/Energy Projects/Products
Works
45 days
NCTPS-I
Please refer Tender documents.
3 documents required · 3 mandatory
₹0
₹8,600
Yes
29 Nov 2025
17 Oct 2025
1 Nov 2025
17 Oct 2025
31 Oct 2025
17 Oct 2025
Amount
Rewinding of one phase of HV and LV winding with new copper (225 KG) and new insulation, drying out and conducting necessary test to 2 MVA/ 1.6 MVA service transformer and transporting to NCTPS-I. Labour charges
Material charges
Releasing the Buchholz relay, conservator tank, vent pipe, oil & winding temperature gauges, Disconnection of winding CT terminals.
Removing the top cover of the transformer and disconnecting the HV/LV leads from Bushings and lifting the core and winding.
Complete cleaning of the transformer tank, core winding, sludge removing and removing old gasket.
Complete cleaning of the Tap switch and attending defects if any during testing.
Cleaning, servicing and gasket replacement to Buchholz relay, MOG, oil level gauge glass, explosion vent pipe, conservator tank, silicagel & replacement of diaphram.
Dismantling of HV & LV Bushings, cleaning, checking the bushing roads, replacing the deteriorated O rings & gasket by new, assembling and fixing in the transformer tank.
Repositioning of the core & winding assembly in Transformer tank and reconnecting the HV/LV leads
Providing new gasket at top cover and fixing the top cover.
Fixing the radiator cooling fins, valves, conservator tank, Buchholz relay, explosion vent pipe, WTI, OTI, winding CT bushings, breather pipe & breather in complete shape by replacing all deteriorated gaskets by new one.
Filling up the transformer with new transformer oil through oil filter machine
Hot oil circulation till the IR value of the transformer winding & breakdown value of the oil reaches the required level and attending to the connected & related works.
Scrapping, cleaning and painting the Entire Transformer surface with 2 coats DA grey enamel paint.
Special consumables Supply of gasket
Supply of Insulation
Supply of silver Brazing rod
Consumables
Less: retrieved scrap copper.
Delta Roto Tech Private LimitedV (BID ID -1499380)
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