Kathara Colliery Distribution Transformer Repair and Rewinding Services

Central Coalfields Limited, a prominent Public Sector Undertaking, is inviting bids through an Open Tender process for the complete repairing and re-winding of three different types of distribution transformers located at various sites within Kathara Colliery, under the Kathara Area. Specifically, the tender seeks services for (A) two 500 KVA, 3.3KV/440V transformers, (B) one 250KVA, 3.3KV/440V transformer, and (C) one 160 KVA, 11 KV/440V transformer. The estimated tender value for this essential electrical and maintenance works contract is ₹23,12,687, with a stipulated work period of 30 days. The bid submission window opens on 16-Oct-2026 at 06:00 PM and closes on 24-Oct-2026 at 06:00 PM. A mandatory Earnest Money Deposit (EMD) of ₹29,000 is required, payable through online means. Bidders are advised to note that the document download period commences on 16-Oct-2026 at 06:00 PM and concludes on 24-Oct-2026 at 06:00 PM. The bid opening will take place on 26-Oct-2026 at 10:00 AM at the Project Engineer (EnM), Office of the PO, Kathara Colliery. This tender requires a two-cover submission system, with Cover 1 encompassing fee/pre-qualification and technical documents, including satisfactory work completion certificates, digital signature certificates, electrical licenses, and an undertaking (Annexure-II), while Cover 2 will contain the financial bid (BOQ). The Tender Reference Number is KTC/PE/EnM/2026-27/34, dated 16.10.2026.