The work involves replacing custom castle nuts, U-bolts, spacers, gate connection pins, and an installation tool made from specified materials, followed by tensioning gate wire ropes to ensure even gate travel and ogee contact. The contractor must handle release and re-tensioning of wire ropes during preparation and finishing activities. The USACE Portland District intends to advertise in November 2026 and award in December 2026, with the contractor proposing a work schedule. The estimated construction cost is between $1,000,000 and $5,000,000. A firm-fixed-price contract is anticipated, with maximum small business participation sought and CMMC Level 2 (Self) certification required.