High-Pressure Hot Water Tunnel Cleaning

This contract involves performing deep cleaning of tunnel surfaces including walls, ceilings, gutters, and roadways through the use of high-pressure hot water washing at temperatures between 180 and 200 degrees Fahrenheit. The cleaning process is designed to remove mineral deposits and debris without employing chemical solvents, ensuring an environmentally safer approach. Additionally, it includes the cleaning of weep holes and wire mesh to maintain proper drainage and prevent blockages. The contract is a subcontract opportunity under the Department of the Interior, set aside exclusively for small businesses in accordance with the Small Business Administration (SBA) Total Small Business Set-Aside guidelines (FAR 19.5). It falls under the NAICS code 561790, which pertains to services related to janitorial and building cleaning. Responses to the solicitation are due by May 11, 2026, and the current posting date is May 5, 2026. Specific location details for performance and points of contact are not provided.