This is a Request for Proposal for a MATOC Work Plan to award task orders for six distinct construction projects at Osan Air Base. The work includes repairing fire protection systems, demolishing abandoned buildings, and replacing HVAC and flooring systems. The solicitation is strictly limited to pre-qualified contractors holding specific MATOC contract numbers. Contractors may submit proposals for one or all six projects, and each will be evaluated independently for potential multiple awards. A site visit is strongly encouraged at Osan Air Base on Tuesday, 7 April 2026.