Installation, Testing, and Commissioning of 33kV and 6.6kV Breaker Interlocking Systems at Khadia Project Substations

This tender, identified by reference number KHD/EM/ETender/26-27/309 dated 30.09.2026, is issued by Northern Coalfields Limited, a Public Sector Undertaking, for a critical Works contract. The scope of work specifically entails the comprehensive installation, testing, and commissioning of an interlocking system for 33kV and 6.6kV breakers, along with their respective gang-operated air break switches (33kV and 6.6 kV Isolators). These components are integral to the operational integrity of the Coal and OB substations within the Khadia Project. The tender is an Open Tender with a two-cover system, comprising of a Fee/PreQual/Technical cover (Cover 1) and a Finance cover (Cover 2). The estimated tender value is ₹5,19,945, with an Earnest Money Deposit (EMD) of ₹6,500 required. Key critical dates include the document download start date of October 1, 2026, with the download end date and bid submission end date both set for October 12, 2026. The bid opening is scheduled for October 13, 2026, at 09:00 AM. The General Manager (EnM), Khadia Area, Northern Coalfields Limited, located at the GM Office Khadia Area, NCL, Shaktinagar, Sonebhadra, UP 231222, is the inviting authority. The work is expected to be completed within a period of 30 days, with a bid validity of 120 days. Eligible contractors must possess a valid Electrical Contractor License and should refer to the NIT for detailed NDA/Pre-Qualification requirements.