The National Park Service seeks a contractor to furnish and install magnetic interior storm windows at the Thomas Stone National Historic Site in Port Tobacco, Maryland. The work requires providing all necessary labor, materials, equipment, and permits as detailed in the Scope of Work. The estimated budget for the complete project is between $25,000 and $100,000. An organized site visit was held at the specified location on April 15, 2026. This amendment incorporates responses to questions and a list of attendees from that site visit.