The US Air Force is conducting market research to identify interested and capable sources for the annual preventative service, maintenance, and potential repair of twenty Big Ass Fans, along with a one-time guy wire installation on four of those fans at Beale AFB, CA. The requirement includes providing all supervision, labor, tools, materials, parts, and equipment to perform the services across five aircraft hangars. The contractor shall perform annual preventative maintenance, diagnostics, and optional repairs for the twenty fans. The contract structure is anticipated to be a base year with five one-year option periods. • The annual preventative maintenance includes inspection, cleaning, torque checks, lubrication, and safety verification for the twenty Big Ass Fans. • The one-time guy wire installation includes installing new guy wires on four specific ceiling-mounted fans in hangars B1068 and B1045. • The diagnostic and repair services include conducting a diagnostic evaluation of any fan exhibiting failure to determine the root cause and providing a formal Service Order proposal to the Contracting Officer for evaluation.