Bottom Boulder Placement for Streambed Stability

The contract requires the placement of large stabilization boulders four feet below the channel bottom to prevent scouring and reinforce the structural integrity of the streambed, ensuring long-term erosion control and hydraulic stability. This work is critical to maintaining natural water flow patterns and protecting surrounding ecosystems from degradation caused by channel instability. The scope is specific to subsurface boulder placement with precise depth requirements to achieve optimal hydraulic performance and sediment control. The contract is classified as a subcontract under a Total Small Business Set-Aside, indicating that only small businesses are eligible to bid, as defined by the SBA and FAR 19.5. It falls under NAICS code 238910, which pertains to site preparation and other specialty trade contractors, suggesting the work involves specialized civil or environmental construction techniques. The awarding agency is the Department of Defense through its W2SD Endist New England office, and while the exact location of performance is unspecified, the project is situated within the agency’s operational area in New England. The opportunity was posted on May 8, 2026, and the full details can be accessed through the provided SAM.gov link.