Subgrade Preparation and Compaction
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The contract titled Subgrade Preparation and Compaction requires execution of excavation, subgrade recompaction, and soil stabilization work to meet a minimum of 95 percent maximum density as defined by AASHTO T99 testing standards. This work is critical to ensuring a stable and durable foundation for subsequent construction activities and must be performed in strict compliance with geotechnical specifications to achieve the required compaction levels. The project is located in Nuevo, California, with a zip code of 92567, and is being managed by the County of Riverside under the NAICS code 237310 for heavy and civil engineering construction. Responses are due by August 19, 2026, at 9:00 PM Pacific Time, and the opportunity is classified as a subcontract under a solicitation posted on July 29, 2026. The full details and submission portal are accessible via the provided BidAmerica link.
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Nuevo, CA, 92567, USSet-Aside
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