All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: The programs and projects that fall within the scope are those that are funded through BIL grants and cooperative agreements that support the construction, modernization, or major alteration and renovation to support, the structures, facilities, and equipment for, in the United States are considered within the scope of this requirement. These include: • roads, highways, and bridges • public transportation • dams, ports, harbors, and other maritime systems • intercity passenger and freight railroads • freight and intermodal facilities • airports • water systems; including drinking water and wastewater systems • electrical transmission facilities and systems • utilities • broadband infrastructure