The United States Air Force seeks a contractor for a firm-fixed-price construction project to expand the non-potable water distribution system at Morón Air Base, Spain. The work includes covering irrigation areas and providing for future building connections, with a detailed scope of site investigation, civil works, and mechanical installations. The estimated budget for the project is between $500,000 and $1,000,000, with an estimated performance period of 570 calendar days. Eligibility is restricted to companies authorized to perform such activities under Spanish law, requiring specific official classifications and the preferential use of Spanish materials, labor, and equipment. The solicitation package will be available on the SAM.gov website on or after 6 May 2026.