Z--GAOA BAR ISLAND DAM RECONSTRUCTION

Quick Summary

The Bureau of Land Management (BLM), under the Department of the Interior, has issued a pre-solicitation notice for the GAOA Bar Island Dam Reconstruction project. This effort aims to restore and reinforce the dam's infrastructure in Phillips County, Montana, approximately 59 miles southwest of Malta. The project is anticipated to be a Total Small Business Set-Aside with an estimated value between $1M and $5M.

Scope of Work

The reconstruction project involves several major items of work, including:

• Dewatering the reservoir and construction area.
• Excavation and reconstruction of the dam embankment using compacted and imported fill, including lime-amended backfill and imported rock for riprap slope protection.
• Construction of a precast concrete outlet works riser and a concrete-encased, precast reinforced concrete pipe outlet works conduit.
• Construction of a grouted riprap outlet works stilling basin.
• Excavation, fill, and grading of the spillway.
• Placing gravel road surfacing on the dam crest.
• Reclamation of all disturbed areas, including staging and temporary roads, with soil preparation and seeding.

Contract Details

• Contract Type: Pre-solicitation for a construction contract.
• Product/Service Code: Z2KA - Repair Or Alteration Of Dams.
• NAICS Code: 237990 - Other Heavy and Civil Engineering Construction, with a Small Business Size Standard of $45M.
• Set-Aside: Total Small Business.
• Magnitude: Estimated between $1M - $5M.
• Estimated Period of Performance: Project completion by November 30, 2027. Award is anticipated by July 1, 2026. Onsite work will have annual restrictions from December 1 to July 15.

Submission & Evaluation

• Solicitation Issuance: Anticipated end of April 2026.
• Proposal Due Date: Approximately 30 days after the solicitation is issued.
• Award will be based on best value to the government in accordance with Federal Acquisition Regulations (FAR).
• Offerors must monitor www.sam.gov for the complete solicitation package and any amendments. No paper or email copies will be provided.
• A site visit will be scheduled, and details will be included in the solicitation. Attendance is strongly encouraged.
• Eligibility: Offerors must have a UEI number and be registered and active in SAM at the time of proposal submission.

Point of Contact

For inquiries, contact Lisa McKeon, Contracting Officer, at lmckeon@blm.gov.