This tender covers multiple fabrication, repair, and overhaul works for Pakistan Maritime Security Agency (PMSA) ships and aircraft. Key works include fabrication and installation of fuel tanks stripping arrangements, repair of sight glass of overflow tanks, fabrication of gear box lube oil coolers, gangway fabrication, and major overhaul/core exchange of Allison 250-B17C turboprop engines for Defender aircraft. The scope also includes procurement of various equipment such as laser range finders, air conditioning systems, wooden tables, chest ranks, crockery, dehumidifiers, walkthrough gates, tiles and accessories for washrooms, exhaust fan repairs, flag lockers, resilient couplings, transceiver repairs, steering motor control panels, hired transport, and spare parts for engines and landing gears. The tender requires reputable local and international contractors registered with FBR and having relevant experience with PMSA. The contract includes warranty periods ranging from 6 months to 2 years depending on the item. The procurement follows a two-stage, two-envelope bidding system with technical and commercial proposals submitted separately. Inspection and acceptance criteria are specified for each item. The tender emphasizes compliance with PPRA rules and detailed submission instructions.