This opportunity is a firm fixed-price contract with economic price adjustment for Building Automation System (BAS) preventative maintenance services, covering a fuel management system. Performance will be at the US Embassy in Libreville, Gabon. The anticipated period includes a base year, four one-year options, and an additional six-month extension option. All responsible sources may submit quotes, and the government may award without discussion; offerors must be registered in SAM and submit separate technical and financial files electronically.