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Tender Value
₹7.3 L
EMD Value
₹9,100
Closing Date
29 Sept 2026, 4:00 pm2d left
General Manager Bankola Area
Office of The General Manager Bankola Area, PIN-713363
Repairing, rewinding and installation of 33kV-3.3kV, 3.15MVA, power transformer, Sl. No.75544 of CM project at Nakrakonda-Kumardihi-B colliery under Bankola area
2026_ECL_365758_1
ECL/GM/BA/E TENDER/26-27/ENM/69 Dt 19.09.2026
Open Tender
Electrical and Maintenance Works
Item Rate
30 days
Nakrakonda Kumardihi B Colliery
Please refer Tender documents.
5 documents required · 5 mandatory
₹9,100
19 Sept 2026
19 Sept 2026
30 Sept 2026
19 Sept 2026
29 Sept 2026
19 Sept 2026
19 Sept 2026 - 24 Sept 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Discription of items | - | - | - | - |
| 2 | Dismantling of core & winding from the tranformer tank &
cleaning of all parts of transformer properly. | 1 | LS | - | - |
| 3 | Cost of copper conductor, HV and LV windings shall be
wound from super enamel covered / double paper
covered Electrolytic copper conductor. | 774 | Kgs | - | - |
| 4 | Insulation of conductor for primary coils (New copper strip
774KG) & secondary coil (existing old copper strip 516KG)
by double coated manila paper. | 1,290 | Kgs | - | - |
| 5 | De - hydration & filteration of tranformer oil to improve Di
- electric strength up to 60KV BDV. | 1,800 | ltr | - | - |
| 6 | Winding Temperature indicator stem Type. | 1 | set | - | - |
| 7 | Oil Temparature indicator stem type. | 1 | set | - | - |
| 8 | Breather | 1 | set | - | - |
| 9 | Cost of insulating materials, varnishing precompress paper
board, oil duct, cotton tape, webbing tape etc. | 1 | LS | - | - |
| 10 | Cost of brazing with supply of rupton rod oxygen, DA for
brazing of all the primary & secondary coil. | 1 | LS | - | - |
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details.html
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Tendernotice_1.pdf
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Tendernotice_2.pdf
PDF • 1.28 MB
Tendernotice_3.pdf
PDF • 0.19 MB
BOQ_378707.xls
BOQ • 0.27 MB
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