Grounding Network Improvement: Additional Earth Pits and 110kV Feeder Installation at Othakkalmandapam Substation

This tender, issued by TNEB Limited and managed by the Executive Engineer/Operation/Othakkalmandapam, located at 168-1, Pollachi Main Road, 230/110kV Substation, Othakkalmandapam, Coimbatore - 641 032, seeks qualified contractors for the "Supply and Erection charges for the provision of 10 Nos. of additional Earth Pits around Auto Transformer III and 6 Nos. of 110kV Feeders for improving the grounding network to mitigate Ground Potential Rise during fault conditions at 230/110kV Othakka." This limited tender, with Tender Reference Number ET/EE/O/OKM/03/2026-27, dated 27.10.2026, falls under the "Works" category, specifically "Electrical and Maintenance Works," and is located at the 230/110kV Othakkalmandapam Substation. The tender documents were made available from 27th October 2026 at 05:00 PM, with the bid submission period commencing at the same time and closing on 10th November 2026 at 02:00 PM. Prospective bidders must note that the document download deadline aligns with the bid submission end date, and the bid opening will take place on 11th November 2026 at 03:00 PM. There is no tender fee associated with this procurement, but an Earnest Money Deposit (EMD) of ₹3,800 is required.