This tender invites qualified contractors in Islamabad to undertake the design and construction of a Waste Water Treatment Plant along the Korang River under EPC mode. The Capital Development Authority (CDA) requires comprehensive engineering, procurement, and construction services to ensure efficient wastewater management in the region, reflecting the city's commitment to sustainable infrastructure development. The project involves complex civil works including site preparation, installation of treatment units, and integration of advanced wastewater technologies. Located along the Korang River, the site presents engineering challenges such as riverbank stabilization and environmental compliance. Contractors must demonstrate expertise in large-scale water treatment plant construction and adhere to stringent quality standards. Bidders should ensure their PEC registration aligns with the relevant category for water and wastewater infrastructure projects. Additionally, compliance with FBR and ATL requirements for the fiscal year 2025-26 is mandatory. It is advisable to verify the validity of the Call Deposit Receipt (CDR) and ensure all technical and financial documents meet the stipulated criteria to avoid disqualification. The submission deadline is set for 23rd April 2026 at 11:30 AM, with technical and financial proposals to be uploaded electronically via the official eprocure portal. The bid opening will occur on the same day, at least 30 minutes after the closing time. The CDA Secretariat, Sector G-7/4, Islamabad, serves as the official address for correspondence and clarifications. Pro-Tip: Make sure to carefully review the corrigendum details and confirm the bid security requirements as per the RFP documents. Missing or incorrect bid security submissions are a common cause for rejection in such high-value EPC tenders.