Precast Concrete Manhole Risers Supply (6" Diameter)

San Diego County is seeking subcontractors to supply precast concrete risers with a 6-inch diameter in multiple depths for the repair and replacement of manholes throughout the county. The contract is focused exclusively on the provision of these standardized concrete components, which are critical infrastructure elements used in utility access systems. The solicitation is open for responses until August 7, 2026, with bids submitted through the county’s external procurement portal. The North American Industry Classification System code 327320 identifies this as a product manufacturing requirement within the concrete product sector. All deliverables must meet the technical and quality specifications expected for use in public infrastructure projects in San Diego, ensuring compatibility and durability in the region’s environmental and operational conditions. The place of performance is explicitly tied to San Diego, and while no set-aside program is designated, bidders must be prepared to comply with all applicable county procurement rules and delivery expectations.