This tender invites proposals for the design and construction of a 4 million gallons per day (MGD) Waste Water Treatment Plant (STP-03) along the Korang River in Islamabad under EPC mode by the Capital Development Authority (CDA). The project requires firms with strong engineering and construction capabilities, registered with PEC in Category C-A with codes CE-09 and ME-06, to plan, design, and execute the plant using advanced technology. The scope includes comprehensive engineering, procurement, and construction activities to establish a state-of-the-art treatment facility. The site along Korang River presents unique environmental and engineering challenges, requiring robust design solutions to ensure efficient wastewater treatment and compliance with environmental standards. The project demands expertise in civil works, electrical installations, and mechanical systems integration. Bidders must hold valid PEC registration with the specified codes and maintain active FBR and ATL status for the fiscal year 2025-26. The tender requires submission of refundable Earnest Money of PKR 40 million via Pay Order or Call Deposit Receipt in favor of DDO (P&C), CDA. Firms should ensure compliance with all regulatory and financial requirements to avoid disqualification. The submission deadline is set for 24th March 2026 at 11:30 AM, with technical and financial proposals to be submitted online through the E-PADS portal at http://eprocure.gov.pk. The technical bids will be opened on the same day at least 30 minutes after closing. Physical submission of original bid security is required at the office of Deputy Director E&M (P&CA-II), CDA, Room No. 21, First Floor, Block 03, CDA Headquarters, G-7/4, Islamabad. Pro-Tip: Carefully review the RFP documents for detailed PEC code requirements and ensure the bid security is submitted both online and physically before the deadline to avoid rejection. Also, attend the pre-bid meeting on 16th February 2026 to clarify any technical queries.