This tender from Pakistan Water and Power Development Authority (WAPDA), Mangla Division, invites bids for the procurement of SERGI system spares specifically designed for 220KV transformers at Mangla Power Station in Mangla, Punjab. The scope covers spares for units 03 to 06, ensuring the operational reliability of critical power infrastructure. The procurement involves sourcing high-quality electrical components compatible with Chint make transformers, delivered on FOB basis. Given the technical nature of power station equipment, bidders must ensure compliance with stringent quality standards and timely delivery within a 180-day completion period. Mangla's strategic location and the engineering challenges of maintaining hydroelectric power assets require suppliers to have proven expertise in power electrical equipment. Bidders should be registered with the Income Tax and Sales Tax Departments and maintain an active Taxpayer List (ATL) status for 2025-26. The tender advises compliance with PEC categories relevant to electrical equipment supply and stresses the importance of submitting a valid Call Deposit Receipt (CDR) as bid security. This ensures financial credibility and adherence to PPRA rules. The submission deadline is set for 02 February 2026 at 1400 hours, with bid opening at 1430 hours at the office of the Resident Engineer, Power Station Mangla. Bids must be submitted electronically via the EPADS portal, following a Single Stage One Envelope procedure. The physical address for correspondence is the Resident Engineer's office at Mangla Power Station. Pro-Tip: Carefully review the tender documents on EPADS for any specific requirements on bid security and ensure your CDR is submitted in original form before the closing time to avoid disqualification. Also, verify the latest tax compliance certificates to meet the ATL criteria.