Graffiti and Vandalism Removal at Cultural Sites

The contract entails the removal of modern graffiti from rock imagery at cultural sites using non-invasive, conservation-grade methods such as laser cleaning or chemical poultices, ensuring the integrity of the underlying rock surfaces is preserved. All work must be performed in strict compliance with the Archaeological Resources Protection Act and the National Historic Preservation Act, with comprehensive pre- and post-removal documentation required to verify the effectiveness and safety of the cleaning processes. The project is structured as a subcontract under a Small Business Set Aside designation, reserved exclusively for small businesses as defined by the SBA. The North American Industry Classification System code 561990 applies, indicating this is within the scope of other support services. The work is scheduled to be performed in Seattle, Washington, with the Department of Defense through W071 Endist Seattle serving as the overseeing agency. Proposals must be submitted by August 28, 2026, and the opportunity is publicly accessible through the SAM.gov portal.