This tender invites experienced consultancy firms in Islamabad to provide expert services for the Need Assessment and Pre-Feasibility Study of an Underground Gas Storage (UGS) Project under the Ministry of Energy (Petroleum Division). The project focuses on evaluating the technical and economic viability of underground gas storage infrastructure, a critical component for enhancing Pakistan's gas import and distribution capabilities. The consultancy will involve detailed analysis of geological, engineering, and environmental factors related to the UGS site. Firms must consider the strategic location in Islamabad and the complexities of underground storage technology, including safety, capacity, and integration with existing gas systems. The study will guide future infrastructure development and investment decisions. Bidders should ensure compliance with PEC consultancy categories and maintain an active FBR ATL status for the fiscal year 2025-26. It is advisable to prepare all documentation including Earnest Money and Call Deposit Receipt (CDR) as per PPRA rules. Familiarity with the Public Procurement Rules, 2004, and submission of a technically sound proposal will be critical for success. The submission deadline is set for 10 February 2026 at 1500 Hrs, with technical proposals opening at 1530 Hrs on the same day. Proposals must be submitted electronically via the EPADS portal, accompanied by an original hard copy delivered to Inter State Gas Systems (Private) Limited, 8th Floor, Petroleum House, Ataturk Avenue, G-5/2, Islamabad. Pro-Tip: Ensure to register early on the EPADS portal and double-check the hard copy submission requirements to avoid disqualification. Also, monitor public holidays as deadlines shift to the next working day if applicable.