This is a pre-solicitation notice for the construction of a new concrete sewage holding station at the US Embassy in London, United Kingdom. The project, with an anticipated budget between $500,000 and $1,000,000, will be issued as a Firm Fixed-Price purchase order in the second quarter of 2026. The contractor must provide complete construction services and project coordination, including the disposal of an existing tank. Interested companies must express their interest via email by April 24, 2026, and will need to demonstrate authorization to perform work in the United Kingdom. The successful contractor will be required to provide Irrevocable Letters of Credit totaling 40% of the purchase order value.