The Pakistan Water and Power Development Authority (WAPDA) invites electronic bids for procurement of spare parts for the electrical plant section of Tarbela 4th Extension Hydel Power Station. The procurement is open to manufacturers/authorized distributors/suppliers/contractors registered with Income Tax and Sales Tax Departments and active taxpayers. Bids must be submitted electronically via EPADS by the specified closing date. A bid security of PKR 131,500 in the form of CDR is required from each bidder. The bidding documents and detailed terms are available on the EPADS and WAPDA websites.