Subgrade Undercut and Replacement

The contract calls for the excavation and replacement of a 12-inch subgrade undercut, requiring the removal and proper disposal of unsuitable soil material and the subsequent backfilling with approved, compliant fill. This work is critical to ensuring the structural integrity and long-term stability of the underlying ground, and adherence to specified material standards is mandatory. The project is categorized under NAICS code 237310, indicating it falls within the heavy and civil engineering construction sector, and is structured as a subcontract opportunity issued by the City of Rapid City in South Dakota. The solicitation was posted on August 10, 2026, with a firm response deadline of August 25, 2026, at 8:00 PM local time. While no specific location details are provided beyond the state-level identifier, the work is expected to occur within the jurisdiction of the City of Rapid City. Interested parties must submit proposals by the deadline, and the contract does not indicate any set-aside provisions for small businesses or other designated groups. All work must meet the technical and regulatory expectations of the municipal authority overseeing the project.