Construction Material Testing and Inspection Services

The government authority in Chicago, Illinois is seeking a vendor to provide construction material testing and inspection services. The agency needs to ensure compliance and quality control for various geotechnical and earthwork activities. The selected provider will address the agency's need for soil classification, footing subgrade verification, and fill layer verification. The scope of work covers sieve analysis for material gradation compliance and moisture density relationship testing. The agency requires the vendor to observe proof rolling, provide subsequent recommendations, and perform field density testing utilizing the nuclear method. The provider must also observe and report on site stripping and grubbing operations. Bidders must be onshore organizations based in the United States to be eligible for this opportunity. The agency requires the performance of the work to be conducted offsite. The authority is looking for proposals to determine the budget for this project and will hold a pre-bid meeting on July 8, 2026.