Dakra Mines Transformer Repair and Preventive Maintenance Services

This tender, referenced as GM (NK)/EnM/e-NIT/2026-27/97, is an open tender invited by Central Coalfields Limited, a Public Sector Undertaking. The work involves two key components: the complete repairing/rewinding of a 63KVA, 3-phase, 3.3KV/230 Volt transformer (Make: Transgietz Enterprises, Sl. No.-224) installed in Dakra Mines for the Dakra Project, and the preventive maintenance of a 100KVA, 3.3KV/440V Transformer (Sl. No.- Local Sl.). This electrical and maintenance works tender has an estimated value of ₹5,26,126 and is to be completed within 30 days. Bidders will operate under an item rate contract, with a bid validity of 120 days. The tender documents are available for download from October 3, 2026, at 11:00 AM until October 15, 2026, at 05:00 PM. Bid submissions are accepted from October 5, 2026, at 11:00 AM, concluding on October 15, 2026, at 05:00 PM. A bid security deposit of ₹6,600 is required, payable online. The bid opening is scheduled for October 16, 2026, at 11:00 AM at the GM Office, NK Area. The tender requires a two-cover submission process, with Cover 1 for fee/pre-qualification/technical documents and Cover 2 for the Bill of Quantities/Price Bid. Interested parties are advised to refer to the NIT for detailed eligibility criteria and other specifications.