This tender from the Pakistan Navy Dockyard in Karachi invites registered firms to undertake the refurbishment of the heat exchanger and expansion tank assembly, including cooling circuit lines of the starboard SSDG of PNS JALALAT. The scope involves detailed mechanical work to restore critical components ensuring operational efficiency and safety of naval equipment. The work requires specialized engineering skills to dismantle, repair, and reassemble the heat exchanger and expansion tank assemblies. The site is located within the naval dockyard in Karachi, demanding strict adherence to security and technical standards. Post-refurbishment, fitment checks and onboard trials will be conducted to verify system integrity and performance. Bidders should ensure compliance with relevant PEC categories and maintain an active FBR ATL status for the fiscal year 2025-26. Firms are advised to prepare their technical and financial bids carefully, including Earnest Money in the form of a Call Deposit Receipt (CDR) as per tender requirements. The tender submission deadline is set for 03 April 2026 at 10:00 AM, with bids opening immediately thereafter in the Manager (ICE) office at the Pakistan Navy Dockyard, Karachi. Interested firms may obtain detailed work specifications by contacting the Manager (ICE) department prior to bid submission. Pro-Tip: Confirm the exact stamp duty and Earnest Money requirements as specified in the tender documents to avoid disqualification. Also, ensure timely submission as late bids are not entertained.