North Chennai Thermal Power Station Unit III: Air Release Valve Overhaul and Cooling Water Tunnel Manhole Replacement

TNEB Limited, through its Chief Engineer at the North Chennai Thermal Power Station - I, Chennai - 120, is inviting bids for an Open Tender (Tender Reference Number: CE/NCTPS-I/SE/OPN/12/2026-27) for Works related to the NCTPS I Operation Circle. The project encompasses the Overhauling of Air Release Valves and their Isolation Valves in the CWP discharge line of Unit III, along with the Removal and Refixing of manhole covers of the cooling water inlet tunnel near the switchyard for facilitation purposes. The tender is scheduled for e-publication on October 15, 2026, at 06:00 PM, with document downloads commencing the same day at 06:15 PM and ending on October 29, 2026, at 02:00 PM. Bids can be submitted from October 15, 2026, at 06:30 PM, with the final submission deadline on October 29, 2026, at 02:00 PM. The Bid Opening will take place on October 30, 2026, at 02:30 PM at the O/o SE/Operation/NCTPS-I. This tender is an Open Tender with two covers, requiring an Earnest Money Deposit (EMD) of ₹1,600, payable through BG/ST or EMD exemption is allowed. The Work Period is stipulated for 25 days, and the Bid Validity is 180 days. This tender falls under the Product Category of Power/Energy Projects/Products.