The U.S. Fish and Wildlife Service is soliciting a firm‑fixed‑price contractor to replace the geomembrane liners in Ponds 5 and 5.5 at the Tishomingo National Fish Hatchery, Oklahoma. The work includes earthwork (excavation, back‑fill, grading), installation of an under‑drain trench with perforated PVC pipe, placement of geotextile fabric on side slopes, and installation of new high‑density polyethylene (HDPE) pond liners. The contractor must provide all materials, perform site preparation, manage waste disposal, supply portable toilet facilities, and comply with OSHA, EPA, and USFWS safety and environmental requirements. The period of performance is October 1 2026 through February 28 2027, with a submission deadline of September 24 2026. The award will be made without discussions to the lowest technically acceptable offer.
• Replace two pond liners (≈ 5 acres total) with 60‑mil HDPE geomembrane
• Perform excavation, grading, and back‑fill to design elevations
• Install under‑drain trench, perforated 6‑in PVC pipe, and geotextile fabric
• Provide all labor, equipment, materials, testing, and warranty (2‑year)
• Manage site access, utilities, waste disposal, and portable facilities
• Submit detailed submittals, as‑built drawings, and warranty documentation.