Coal and Mines Boards / Undertakings / PSU Closing in 7 days TDR #57047508

Tender For Complete Repairing / Rewinding Of Following 03 Nos. Power Transformers Under Dipka Expansion Project - 1). Rating: 160Kva, 3.3Kv/433V, Sl. No. 6E601, Make - M&B Switchgears Ltd 2). Rating: 100Kva, 3.3Kv/433V, Sl. No. 1212408, Make - M&B Sw

Issued by Boards / Undertakings / PSU · Korba, Chhattisgarh
Tender Value
2.71 Lakhs
Estimated cost
Bid Submission
29 Aug 2026
7 days left
EMD
3400
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online

Tender Overview

Competition Type
NCB
Bidding Type
Tender
Location / State
Korba → Chhattisgarh
EMD Exemption
Not Available
Quantity
Not Available

Project Description

Tender for Complete Repairing / Rewinding Of Following 03 Nos. Power Transformers Under Dipka Expansion Project - 1). Rating: 160Kva, 3.3Kv/433V, Sl. No. 6E601, Make - M&B Switchgears Ltd 2). Rating: 100Kva, 3.3Kv/433V, Sl. No. 1212408, Make - M&B Switchgears Ltd3). Rating: 3Mva, 33Kv/6.6Kv, Sl. No. Ct4369/824114, Make - Gec Ltd.

BOQ

Name of Work:- Complete repairing / rewinding of following 03 nos. Power Transformers under Dipka Expansion Project – 1). Rating: 160KVA, 3.3KV/433V, Sl. No. 6E601, Make - M&B Switchgears Ltd 2). Rating: 100KVA, 3.3KV/433V, Sl. No. 1212408, Make - M&B Switchgears Ltd3). Rating: 3MVA, 33KV/6.6KV, Sl. No. CT4369/824114, Make - GEC Ltd.
Sl. No. Item Description
1Complete repairing / rewinding of Power Transformer, 160KVA, 3.3KV/433V, Sl. No. 6E601, Make - M&B Switchgears Ltd Scope of Work: i). Rewinding of complete all three limbs of secondary/LV winding (approx. 42.50 Kg) with new copper strip (Size- Thickness - 2.80mm & Width - 8.46mm). ii), Re-insulation and repairing of all three limbs of HV and LV windings with replacement of paper covering / insulating materials and gasket/ cork sheet etc. iii). Labour cost & cost of insulating materials of appropriate class & gaskets etc. shall be in the scope of contractor. iv). Providing & fixing of winding separator etc as required. v). Scrap copper shall be retained by the contractor. vi). Transportation (to and fro) of the transformer shall be in the scope of contractor. vii). Test certificate of repaired transformer to be submitted at the time of delivery.
2Complete repairing / rewinding of Power Transformer, 100KVA, 3.3KV/433V, Sl. No. 1212408, Make - M&B Switchgears Ltd Scope of Work: i). Rewinding of complete all three limbs of secondary/LV winding (approx. 33.00 Kg) with new copper strip (Size- Thickness - 2.80mm & Width - 8.46mm). ii), Re-insulation and repairing of all three limbs of HV and LV windings with replacement of paper covering / insulating materials and gasket/ cork sheet etc. iii). Labour cost & cost of insulating materials of appropriate class & gaskets etc. shall be in the scope of contractor. iv). Providing & fixing of winding separator etc as required. v). Scrap copper shall be retained by the contractor. vi). Transportation (to and fro) of the transformer shall be in the scope of contractor. vii). Test certificate of repaired transformer to be submitted at the time of delivery.
3Complete repairing / rewinding of Power Transformer, 3MVA, 33KV/6.6KV, Sl. No. CT4369/824114, Make - GEC Ltd Scope of Work: i). Rewinding of one limb of HV winding (approx. 207.50 Kg) with new copper strip (Size- Thickness - 1.46mm & Width - 6.68mm). ii), Re-insulation and repairing of all three limbs of HV and LV windings with replacement of paper covering/ insulating materials and gasket/ cork sheet etc. iii). Labour cost & cost of insulating materials of appropriate class & gaskets etc. shall be in the scope of contractor. iv). Providing & fixing of winding separator etc as required. v). Scrap copper shall be retained by the contractor. vi). Transportation (to and fro) of the transformer shall be in the scope of contractor. vii). Test certificate of repaired transformer to be submitted at the time of delivery.
4Note: 1). Bidders are advised to see the transformers before quoting the offer. 2). Rate offered should be after deducting the scrap value of copper. 3). Job shall be carried out at the contractor's workshop and the job shall be routed through Regional Stores, Dipka Area. 4). To and fro transportation of the transformers is under the bidder's scope. (Please refer to page no. (26-30) of NIT or Additional Clauses in tenders of Transformers in the uploaded tender documents for Additional Clauses in tenders of Transformers repairing / rewinding to safeguard the interest of the company).
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AI Tender Summary

OUR REF NO 57047508
AUTHORITY Boards / Undertakings / PSU
TENDER VALUE 2.71 Lakhs
LAST DATE 29-08-2026
Authority
Authority Name South Eastern Coalfields Limited
Work Description Tender for Complete Repairing / Rewinding Of Following 03 Nos. Power Transformers Under Dipka Expansion Project - 1). Rating: 160Kva, 3.3Kv/433V, Sl. No. 6E601, Make - M&B Switchgears Ltd 2). Rating: 100Kva, 3.3Kv/433V, Sl. No. 1212408, Make - M&B Switchgears Ltd3). Rating: 3Mva, 33Kv/6.6Kv, Sl. No. Ct4369/824114, Make - Gec Ltd.
Basic Detail
Tender No SECL/GM/DA/SO(EnM)/ e-tender/26-27/37 dtd-14/08/26
Bidding Type Tender
Location
City Korba
State Chhattisgarh
Key Dates
Publish Date 17 Aug 2026
Submission Date 29 Aug 2026
Open Date 31 Aug 2026
Finance
Tender Value 2.71 Lakhs
Tender Fee Ref. Documents
EMD 3400
Exemption Not Available
Document List
2a9be97a-e60a-4ff4-ab7b-c5eec00b51ba.html
BOQ_376740.xls
Tendernotice_1 (18).pdf
Tendernotice_2 (4).pdf
Tendernotice_3 (1).pdf
Tendernotice_4.pdf

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Tender Timeline

Aug 17, 2026
11:30 IST

Tender Published

Tender notice published.

Completed
Aug 29, 2026
17:00 IST

Bid Submission Deadline

Online submission via eProcurement portal.

Upcoming · 7 days
Aug 31, 2026

Bid Opening Date

Technical bids will be opened and evaluated.

Upcoming · 9 days

Tender Documents

Download All (ZIP) ↓
html

2a9be97a-e60a-4ff4-ab7b-c5eec00b51ba.html

xls

BOQ_376740.xls

pdf

Tendernotice_1 (18).pdf

pdf

Tendernotice_2 (4).pdf

pdf

Tendernotice_3 (1).pdf

pdf

Tendernotice_4.pdf

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