Transformer Rewinding and Repair Services for Belbaid Colliery Substations

Work Description - Complete Rewinding And Repairing Of The 250 Kva, 11kv/440 V Transformer Installed At The 6 Nos. Sub-station Under Belbaid Colliery.

Eastern Coalfields Limited, a Public Sector Undertaking, is inviting sealed bids for an Open Tender for Works concerning the complete rewinding and repairing of 250 KVA, 11KV/440 V Transformers installed across six substations under the Belbaid Colliery. The tender, referencing ECL/KNT/EnM/e-Ten/26-27/28 D.01.09.2026, has an estimated tender value of ₹3,19,540 and an Earnest Money Deposit (EMD) of ₹4,000. Interested bidders can download tender documents from September 4, 2026, 05:00 PM, with the download period concluding on September 15, 2026, 05:00 PM. Bid submissions will commence on September 5, 2026, 05:00 PM, and must be completed by September 15, 2026, 05:00 PM. The bid opening is scheduled for September 16, 2026, 11:00 AM. The scope of work includes transformer rewinding and repair, with a stipulated work period of 15 days and a bid validity of 120 days. The tender is of an Item Rate form of contract, with two covers for submissions: Cover 1 for Fee/PreQual/Technical documents including Work Experience, Digital Signature Certificate, Undertaking as per Annexure-III, and a Valid Electrical License (with Mining part 8), and Cover 2 for the Bill of Quantities (BOQ). All payments related to tender fees and EMD are to be processed online. The tender inviting authority is the General Manager, Kunustoria Area, Eastern Coalfields Limited, with the office located at O/o The General Manager, Kunustoria Area, ECL, P.O - Toposi, Paschim Bardhaman, 713362, (W.B).