Tender For Repairing Of 11/0.4Kv 10,25,63 & 100 Kvadamage Transformerat Newly Constructed Workshop Sahjanwaworkshop Gorakhpur Under Ewd Gorakhpur.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
28 Jul 2025
0 days left
EMD
73620
Bank guarantee accepted
Document Fee
3540
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
sahjanwa → Uttar Pradesh
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender For Repairing of 11/0.4kv 10,25,63 & 100 KVADamage Transformerat Newly Constructed Workshop SahjanwaWorkshop Gorakhpur Under EWD Gorakhpur.
BOQ
| Sl. No. | Item Description |
| 1 | Handling and dragging of transformer from stacking yard to repairing hall. |
| 2 | 10KVA |
| 3 | 25KVA |
| 4 | 63KVA |
| 5 | 100KVA |
| 6 | Cutting of Sealed transformers top cover plate smoothly and uniformally by gas/chisel cutter or opening of top cover plat and detanking of core and coil assembly. |
| 7 | 10KVA |
| 8 | 25KVA |
| 9 | 63KVA |
| 10 | 100KVA |
| 11 | Dragging of the tank from the repaired hall to yard. & cleaning oil and dust etc. and scraping the rust etc andWashing of Transformer tank with Caustic Soda & water, Caustic soda shall be provided by contractor |
| 12 | 10KVA |
| 13 | 25KVA |
| 14 | 63KVA |
| 15 | 100KVA |
| 16 | Painting of inner side of transformer tank and channels with heat proof zinc chromate paint of good quality (Berger, Nerolac, Jenson & Nicholson etc) shall be |
| 17 | 10KVA |
| 18 | 25KVA |
| 19 | 63KVA |
| 20 | 100KVA |
| 21 | Dragging out empty tank from yard to repairing hall. |
| 22 | 10KVA |
| 23 | 25KVA |
| 24 | 63KVA |
| 25 | 100KVA |
| 26 | Dismantling core and coil assembly and cleaning of dust and dirt from the core assembly and checking of LV and HV leg coils for assessing its reuse, rechecking and recording of physical dimensions of coil and cleaning of core and their components etc. |
| 27 | 10KVA |
| 28 | 25KVA |
| 29 | 63KVA |
| 30 | 100KVA |
| 31 | Reconditioning of minor damaged in HV/LV leg coil/ Strip of transformer. work includes removing of damage part DPC insulation and providing new DPC on same HV coil/LV Strip should be properlycleaned and should be made of same size as of original . |
| 32 | 25KVA |
| 33 | 63KVA |
| 34 | 100KVA |
| 35 | ‘‘Making of completeLV leg Alu. Leg coils identical to original one with same number of turns, weight etc providing super enameled / DPC conductor/ Strip confirming to IS 1971 /53 in place of old and damage coil. Alu. coil, wire strip will be provided by the department. All coil assembly of identical voltage shall be interchangeable without requiring any special equipment. Coil shall be supported between adjacent sections by insulations, spacers, beamers and other insulations.Rewinding shall be arranged to ensure free circulation of oil to reduced hot spots in winding. The insulation of coil shall be treated with suitable insulating, varnish or equivalent compound to develop the full electrical strength of winding as per original design. |
| 36 | 10KVA |
| 37 | 25KVA |
| 38 | 63KVA |
| 39 | 100KVA |
| 40 | ‘‘Making of complete HVleg Alu. Leg coils identical to original one with same number of turns, weight etc providing super enameled / DPC conductor/ Strip confirming to IS 1971 /53 in place of old and damage coil. Alu. coil, wire strip will be provided by the department. All coil assembly of identical voltage shall be interchangeable without requiring any special equipment. Coil shall be supported between adjacent sections by insulations, spacers, beamers and other insulations.Rewinding shall be arranged to ensure free circulation of oil to reduced hot spots in winding. The insulation of coil shall be treated with suitable insulating, varnish or equivalent compound to develop the full electrical strength of winding as per original design. |
| 41 | 10KVA |
| 42 | 25KVA |
| 43 | 63KVA |
| 44 | 100KVA |
| 45 | Assembly of core and coils and fitting of other parts requiring replacement such as press board, making supports between adjacent sections by insulating spares and rapping etc & tapping etc. (Breezing/soldering) required, shall be arrange by the contractor. |
| 46 | 10KVA |
| 47 | 25KVA |
| 48 | 63KVA |
| 49 | 100KVA |
| 50 | Shifting and keeping the assembled core coil etc. in Oven from the repairing and assembly place. |
| 51 | 10KVA |
| 52 | 25KVA |
| 53 | 63KVA |
| 54 | 100KVA |
| 55 | Taking out assembled core and coils assembly from the OVEN and shifting to repairing hall. |
| 56 | 10KVA |
| 57 | 25KVA |
| 58 | 63KVA |
| 59 | 100KVA |
| 60 | Retanking of complete assembly into painted tank and lightening of the assembly in the tank safely. Fitting of all accessories of the transformer. |
| 61 | 10KVA |
| 62 | 25KVA |
| 63 | 63KVA |
| 64 | 100KVA |
| 65 | Welding of repaired transformers including of top cover plate by electric core welding filling of gaps or fixing of top cover plate by properly nuts & bolts to prevent seepage of water.. |
| 66 | 10KVA |
| 67 | 25KVA |
| 68 | 63KVA |
| 69 | 100KVA |
| 70 | Painting of t/f outside with super enamel synethics paint of yellow color in two coats after providing primer of red oxide paint etc. paint & painting materials shall be provided by contractor. |
| 71 | 10KVA |
| 72 | 25KVA |
| 73 | 63KVA |
| 74 | 100KVA |
| 75 | Dragging of repaired T/f upto the test cabin/testing place for testing and their re-dragging to yard and its stacking at indentified place after testing |
| 76 | 10KVA |
| 77 | 25KVA |
| 78 | 63KVA |
| 79 | 100KVA |
| 80 | Testing the correctness of connection, DVDF, No load, load loss test (where available), High Voltage, impedance voltage, Short Circuit and open circuit test, Voltage ratio on various tap position. |
| 81 | 10KVA |
| 82 | 25KVA |
| 83 | 63KVA |
| 84 | 100KVA |
| 85 | Punching and welding of M.S. Plate on outside of transformer of size 100 mm x 50mm x 3 mm containing/ punching.(a) of unique number as decided by the department with a punch head.(b) Date of repair. |
| 86 | 10KVA |
| 87 | 25KVA |
| 88 | 63KVA |
| 89 | 100KVA |
AI Tender Summary
Tender Timeline
Jul 18, 2025
11:30 IST
Tender Published
Tender notice published.
CompletedJul 28, 2025
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedJul 28, 2025
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
Download All (ZIP) ↓
Disclaimer
We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender