This is a Firm Fixed-Price Design/Build contract for storm drainage and sewer system work at the Chief of Mission Residence for the U.S. Embassy in Quito, Ecuador, with performance to occur at that location. The project involves designing and constructing new, separate storm and sanitary sewer systems to replace the existing combined lines at this historical property. The estimated project magnitude is between $250,000 and $500,000. The Regional Procurement Support Office in Frankfurt, Germany, intends to issue the solicitation in calendar year 2026, with a pre-proposal conference and site visit tentatively scheduled for May 2026. To receive the solicitation documents, qualified firms must express interest via email by a specified deadline and include a completed checklist.