This is a Request for Proposal (RFP) for a MATOC Work Plan. The offeror is strictly limited to the following eligible contractors under MATOC numbers: W91QVN-24-D-0023, -0024, -0025, -0026, -0028, -0030, -0031, -0033, -0035, -0036, -0038, -0080, -0083, and -0109. Project Requirement: MATOC Work Plan - REPLACE AHU SYSTEM FOR BASE GYM, B1423 at Osan Air Base (PROJECT NO. SMYU 26-1042). Submission and Evaluation Strategy Fair Opportunity: This requirement is issued pursuant to FAR Subpart 16.505. Please refer to the attachments: 1. Fair Opportunity Proposal Request (FOPR) 2. Statement of Work (SOW) 3. Drawings 4. Submittal Register 5. Contractor Tax Exemption Declaration ** Site Visit: The offeror is strongly encouraged. Per FAR 52.236-2 (Differing Site Conditions) and 52.236-3 (Site Investigations and Conditions Affecting the Work), offerors are urged to inspect the sites where work will be performed. Date and Time: Thursday, 7 April 2026, at 0930 Hrs. Meeting Location: In front of Bldg. #600, Osan Air Base.**