This tender invites bids for the improvement of medium voltage (MV) infrastructure and optimization of the low voltage power distribution network at CATI Hyderabad under the Pakistan Airports Authority. The project involves dismantling and installation of HT and LT panels, vacuum circuit breakers, transformers, underground armoured cables of various sizes, earthing systems, and integration with a centralized remote monitoring and control system (SCADA). The scope also includes civil works, public health works, and HVAC installations to support the electrical infrastructure. The work site is located at CATI Hyderabad, requiring specialized electrical engineering expertise to handle high voltage equipment and ensure compliance with KE/HESCO specifications and WAPDA inspection certificates. The contractor must manage the safe dismantling and relocation of existing transformers, installation of new 750 KVA transformers, and laying of underground cables with proper termination and earthing. The project demands adherence to Pak PWD specifications, quality control through laboratory testing, and safety measures including PPE and site cordoning. Bidders must hold a valid Pakistan Engineering Council (PEC) registration in at least C-4 category with CE-10, EE-04, and EE-05 codes. Compliance with FBR Active Taxpayer List (ATL) status and PEC requirements for the 2025-26 financial year is mandatory. The tender requires earnest money of PKR 3,000,000 and submission of technical and financial bids electronically via the PPRA EPADS portal. Original bid security instruments must be submitted physically in sealed envelopes at the time of bid opening. The submission deadline is on the 7th of April 2026, with bid opening scheduled 30 minutes later. Bids must be submitted online through EPADS, and original bid securities delivered to the Divisional Engineer ES E&M Office, CATI Hyderabad. The office is reachable at telephone number 022-9260335-310. Pro-Tip: Ensure the original earnest money instrument is submitted physically on time and that the scanned copy is attached with the electronic bid. Missing either will lead to outright rejection. Also, verify compliance with KE/HESCO specifications and WAPDA inspection certificates for vacuum circuit breakers to avoid disqualification.