Gaoa bar island DAM reconstruction

The Bureau of Land Management's National Office is seeking qualified contractors for the reconstruction and rehabilitation of Bar Island Dam located in Phillips County, Montana, approximately 59 miles southwest of Malta. The project encompasses comprehensive dam reconstruction including dewatering the reservoir, excavating and removing existing outlet works, reconstructing the earthen embankment with compacted fill and lime-amended backfill, installing new precast concrete outlet works components, constructing a spillway system with grouted riprap stilling basin, and reclaiming disturbed areas. Contractors must demonstrate experience with heavy civil construction projects of similar scope and complexity, possess adequate bonding capacity to support performance and payment bonds, and employ surveyors with a minimum of two years' experience. The procurement will follow a competitive solicitation process anticipated for April/May 2026, with this Sources Sought Notice serving as market research to inform the acquisition strategy. Interested parties must submit responses by March 13, 2026, at 2:00 PM MST to Lisa McKeon at lmckeon@blm.gov, including company information, business classification, relevant experience, and bonding capacity statements.

This is an unclassified procurement with no small business set-aside, and no incumbent contractor is identified in the available documentation. The contract value is estimated between $1 million and $5 million, with work completion required by November 2027, subject to on-site work restrictions from December 1 through July 15 annually due to seasonal constraints. The project is classified under NAICS code 237990 (Other Heavy and Civil Engineering Construction) with a small business size standard of $45 million in annual receipts. Key deliverables include 21 measurable pay items plus one additive bid item for spillway armoring, with pricing structured as lump-sum amounts for mobilization, site clearing, demolition, and dewatering, and unit pricing for excavation, embankment materials, riprap placement, and other materials measured in place. The specifications require extensive quality control documentation, including stormwater pollution prevention plans, embankment construction plans, concrete mix designs, and shop drawings, ensuring compliance with American Concrete Institute standards and applicable ASTM material specifications.