Transformer Oil Filtration, Testing, and Earthpit Commissioning for 10 MVA & 5 MVA Units at Koyla Nagar 33 KV Sub-Station

Bharat Coking Coal Limited, a prominent Public Sector Undertaking, is inviting bids for the comprehensive Chemical Earthpit Commissioning, Oil Filtration, and Testing of two transformers, specifically a 10 MVA and a 05 MVA unit, located at the 33 KV Sub-Station in Koyla Nagar, Dhanbad. This open tender, with Tender Reference Number BCCL/KB/ENM/PS/OT/26-27/16, represents an opportunity for qualified electrical contractors to undertake a critical maintenance and upgrade project with an estimated tender value of ₹5,20,034. The work is to be completed within a period of 30 days, with a bid validity of 120 days. Prospective bidders are required to submit their proposals through a two-cover system, with Cover 1 encompassing technical qualifications, including relevant work experience and valid electrical contractor and supervisor licenses, and Cover 2 dedicated to the financial bid. The earnest money deposit (EMD) for this tender is fixed at ₹6,500. The tender documents are available for download from September 9, 2026, commencing at 01:00 PM, and must be submitted by September 16, 2026, at 01:00 PM. The bid opening is scheduled for September 17, 2026, at 01:00 PM, at the Office of CM (EnM)/PS. Interested parties are encouraged to review the detailed tender documents, including the NIT and BOQ, for specific requirements and Annexures.