Secondary Sedimentation Basins Upgrades Project - Short-term Improvements for Basins (1) & (2)

The West County Wastewater District is soliciting bids for the Secondary Sedimentation Basins Upgrades Project, specifically focusing on short-term operational improvements for Basins 1 and 2 in Richmond, California. The scope of work includes the installation, inspection, and testing of owner-furnished chain-and-flight mechanisms, the removal and replacement of the No. 3 water system, and various civil and structural repairs such as replacing 18 precast concrete walkway panels and two sluice gates. Additionally, the project requires electrical upgrades to support new collector equipment and integration with existing control systems. All work must adhere to the operational requirements of the Water Quality and Resource Recovery Plant's dry and wet seasons. Solicitation number 26-IFB-040 requires proposals to be submitted electronically via the ProcureNow portal by December 16, 2026. Award decisions will be based on the Total Base Bid, with specific rules for resolving arithmetic discrepancies and a policy to reject unbalanced bids. Bidders must provide a bid security form and, upon award, furnish performance and payment bonds. The contract mandates compliance with California prevailing wage rates, strict safety regulations regarding hazardous atmospheres, and various certifications, including the Iran Contracting Act and Disadvantaged Business certifications. Performance begins upon the issuance of a Notice to Proceed, and the contractor is responsible for all site restoration and commissioning activities.