C&O Canal National Historical Park - FY26 Repair I

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · NCR REGIONAL CONTRACTING(30000) is soliciting C&O Canal National Historical Park - FY26 Repair I. Solicitation number 140P3026R0002. Classified under NAICS 237990 — Other Heavy and Civil Engineering Construction. Product/service code Z2KB — REPAIR OR ALTERATION OF CANALS. Responses are due by 18 September 2026 16:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

Amendment P0001 is to revise solicitation and add additional attachments. See Amendment P0001 for further details. The Department of Interior, National Park Service, C&O Canal National Historical Park has a requirement for construction services for Repair to Inlet Lock 2 in Potomac, Maryland. Work consists of replacing deteriorated lock gates and miter sill and repairing stone masonry, remove sediment and debris around the gates and locks, repairs to the berms upstream of Violette's Lock (Lock 23). This is a solicitation for construction services prepared in accordance with FAR Part 15. This announcement constitutes as the only solicitation (140P3026R0002) for Repair to Inlet Lock 2 and is issued as a Request for Proposal on Standard Form (SF)1442. This requirement is a 100% total small business set-aside. The associated NAICS code is 237990 - Other Heavy and Civil Engineering Construction. The small business size standard is $45M. The solicitation incorporates provisions and clauses by reference. The full text of provisions and clauses may be accessed electronically at www.acquisition.gov The contract awarded as a result of this solicitation will be a firm-fixed price contract/award. The estimated magnitude of this requirement is between $500,000 and $1,000,000. Proposals are due September 18, 2026, at 12:00PM ED.