Tender For Repairing And Rectification Of 315Kva,11/0.433Kv Transformer At Cwr Site Of Pathardoba W/S Scheme Under Bankura Mechanical Division, Phe Dte. Block: Simlapal, Dist: Bankura.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
18 Sep 2026
2 days left
EMD
14000
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Bankura → West Bengal
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repairing And Rectification Of 315Kva,11/0.433Kv Transformer At Cwr Site Of Pathardoba W/S Scheme Under Bankura Mechanical Division, Phe Dte. Block: Simlapal, Dist: Bankura.
BOQ
| Sl. No. | Item Description |
| 1 | Disconnection of incoming and outgoing power line, earthing attachment, and instrument connection from 315 KVA 11/0.433 KV transformer and lowering transformer with the help of a hydra as per the direction of EIC. |
| 2 | Drain out of Transformer cooling Oil (260 Ltr)from Transformer tank and collect to a 380 Ltr Drum, including Hiring & Carrying charges of 220 ltr 2 nos empty Drum as per direction of EIC. |
| 3 | Hiring (4 times) of Hydra crane of suitable capacity for loading unloading of 315 KVA Transformer at Pathardoba site shifting/handling and at repairing/workshop location including operator ,fuel and all incidental charge. |
| 4 | Transportation charges of Transformer (315 KVA) from Pathardoba CWR site to Electrical workshop, provided a hydra for loading & unloading, including charges of all toll tax as per direction of EIC. |
| 5 | Testing of the above faulty transformer and detection of actual fault by the Skilled Technical Personal as per direction of E.I.C |
| 6 | Dismantling of top cover, H.T & L.T Bushing, cooling tube, conservetor tank and Takenout of Transformer all H.T and L.T winding with core , from existing Transformer Tank of the above Transformer as per direction. |
| 7 | Rewinding of one no. HT & one no. LT coils for one phase by the new winding wire (approx. 78 kg) with new insulation shall be as per the existing same size and dimension using H class triple coated super enameled fibre glass coated varnished EC grade copper conductor. (N.B- Rate is considering after deduction of burnt-out scrap copper winding value) |
| 8 | Making insulation materials like Compressed press board, Cellulose Paper, Prerma Wood, & kraft papers with high-quality H-class triple-coated varnished as per direction |
| 9 | Charges for LT & HT winding brazing. |
| 10 | Wovening of winding & core coil assembling for removing of moisture and improving insulation resistance value in between Phase to Phase and Phase to core and other as per IE rules as per diretion |
| 11 | Supplying the core, duct, coil assembly, and other insulating parts for the above transformer as per the existing sample. |
| 12 | Reassembling of Transformer with all H.T and L.T(new) winding with inserting of above supplied core to existing Transformer Tank by the help of lifting arrangemnt as per direction. |
| 13 | Fitting Fixing of top cover, cooling tube and connection of I/P & O/P Terminals conservetor tank. H.T & L.T Bushing & OLTC unit of the above Transformer after replacement of Gasket as per direction of EIC. |
| 14 | Charge for Testing (IR value, magnetic balance, ratio, magnetizing current, core loss, vector group, high voltage test, double voltage double frequency) of above repaired transformer as per IS with the help of all necessary instruments.(N.B-Agency shall inform to PHE authority in time for such testing as PHE may witness the same.) |
| 15 | Spray Painting of transformer as per IS standard, and necessary packing for safe transportation. |
| 16 | Supply and Delivery of new transformer oil |
| 17 | Supply and Delivery of 4-inch. Dia. WTI. Make-PTCI |
| 18 | Supply and Delivery of 4-inch. Dia. OTI. Make-PTCI |
| 19 | Transportation of repaired Transformer (315 KVA) from Electrical works to Pathardoba. CWR site provided hydra for loading & unloading, including charges of all toll tax as per direction of EIC. |
| 20 | Commissioning and site testing of the above repaired transformer including all instrument in the sub station i.e- OTI.WTI, Buchholz relay alarm & Tripping connection Breaker etc for performing satisfactorily as per direction of E.I.C |
| 21 | Add: 18% GST |
| 22 | Add: 1% Cess Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 03, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 18, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 2 daysSep 21, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 5 daysTender Documents
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