Services for Development of CDU & VDU Sub Model on Composition Basis in Aspen Unified PIMS Software

Pak-Arab Refinery Limited (PARCO) invites reputable suppliers and service providers to participate in the procurement for the development of CDU & VDU Sub model on Composition Basis in Aspen Unified PIMS Software. This corrigendum extends the tender issuance and bid submission dates, allowing interested parties additional time to prepare and submit their bids. Items being procured: - Development of CDU & VDU Sub model on Composition Basis in Aspen Unified PIMS Software The scope involves specialized software development services related to process simulation and modeling within the refinery's Aspen Unified PIMS environment. This requires technical expertise in process engineering software and experience with CDU (Crude Distillation Unit) and VDU (Vacuum Distillation Unit) modeling. Bidders must be registered with FBR and have relevant experience in software development or process simulation services. Earnest Money and bid security requirements apply as per PARCO's procurement policies. The tender documents are available free of cost through the SAP Ariba portal. Key dates have been extended as follows: Tender issuance was open from 01.09.2026 to 21.10.2026 (free of cost). Bid submission and opening will now be accepted through SAP Ariba until 28.10.2026 at 15:00 PST, with bid opening at 15:30 PST on the same day. Bidders are advised to carefully review the tender documents on the SAP Ariba platform and ensure timely submission of their bids. Utilizing the SAP Ariba system effectively will help avoid last-minute technical issues and ensure compliance with submission requirements. This opportunity is ideal for firms with strong technical capabilities in refinery process modeling and software development, looking to collaborate with a leading joint venture in the energy sector.