Precast Concrete Manhole Risers and Tops Manufacturing

The contract entails the manufacturing of precast concrete risers and tops in full compliance with ASTM C478 specifications, requiring strict adherence to material, dimensional, and structural standards. All submitted shop drawings must be reviewed and formally approved prior to the commencement of production, ensuring design accuracy and regulatory alignment. The work is structured as a subcontract under the Tennessee Department of General Services, with the North American Industry Classification System code 327320 designating it as a precast concrete product manufacturing activity. The solicitation was posted on July 30, 2026, and responses are due by August 18, 2026, with performance expected to meet state procurement guidelines, though specific performance location details are not provided. The process emphasizes quality control and prior approval protocols to ensure uniformity and compliance across all delivered components.