56--FWS UNION SLOUGH NWR - CULVERT SUPPLIES

The U.S. Fish and Wildlife Service is seeking suppliers to provide culvert components for the Union Slough National Wildlife Refuge. The scope includes delivery of a 12‑inch wide galvanized plate to be cast on the exterior of precast culvert walls, as well as stop‑log channel sections that extend above the top of the precast wall to aid installation. The design has been used successfully at other sites, and the supplier must ensure the materials meet structural integrity requirements. • Provide 12‑in galvanized plate, exterior‑cast configuration • Supply stop‑log channel sections with specified height and wall‑thickness considerations • Materials must conform to existing design standards used at other refuge locations • Delivery to Union Slough NWR site in New Mexico • Respond to technical Q&A clarifications as needed