Riprap and Drainage Protection

The contract pertains to the placement of Class B riprap for erosion and scour control at drainage structures located in Aberdeen, South Dakota. The work is aimed at protecting infrastructure from water-induced degradation, ensuring the long-term stability and functionality of drainage systems. This subcontract falls under NAICS code 237310, which classifies it as construction related to water and sewer line and related structures, indicating the specialized civil construction nature of the project. The solicitation was posted on May 20, 2026, with a response deadline set for the same date, suggesting an immediate or concurrent award timeline. The agency responsible is the South Dakota Department of Transportation, which has designated this as a subcontract, meaning it is part of a larger procurement effort managed by a prime contractor. Performance is localized to Aberdeen, and while specific details regarding quantities, dimensions, or material specifications are not included, the use of Class B riprap implies adherence to standardized size and durability requirements for scour protection in high-flow areas. All work must comply with state transportation standards for durability, placement, and environmental impact.