Sealed bids are restricted to certified Small Business Concerns for trail and embankment repairs at Wallkill River National Wildlife Refuge in Sussex County, New Jersey, and Orange County, New York. Work includes trail reconstruction, culvert replacement, stream regrading, headwall/wingwall installation, and related miscellaneous items, split into multiple work schedules/contract options. The estimated project cost range is $3,000,000 to $5,000,000. Bid documents are expected to be issued on or about November 12, 2026, and will be downloadable from SAM.gov; documents will not be mailed. Prospective contractors must maintain active SAM registration for offer submission, award, and payment, complete required online representations/certifications and VETS-4212, register for document notifications/interested-vendor listing, and direct questions to eflhd.contracts@dot.gov.