Renovation of a water / sewer project in Corona, California. Working plans call for the renovation of a water / sewer project.

***As of September 29, 2022. All bids rejected. Online Q&A Yes Q&A Deadline 06/15/2022 5:00 PM (PDT). Scope of Services The Project will consist of the following: o Decommission and demolish existing flow equalization (EQ) ponds No. 1 and No. 2 o Design and construct new EQ basins in the location of EQ pond No. 2. o Decomission and demolish existing screw pump station downstream from the existing EQ ponds. Replace with a Vaughn chopper centrifugal pump configuration. o Design and construct a new coarse bubble aeration system to mix and freshen the wastewater in the new EQ basins. o Design and construct an odor control biofilter system. o Design and construct aluminum covers for odor control over the grit chamber, primary clarifiers, and new EQ basins. o Design and construct all new facilities with safe access for inspection and cleaning. o Design and construct sitework, including concrete, grading, paving, piping, and miscellanerous site improvements, as needed. o Modifications to existing facilities, as needed. o All electrical infrastructure, including conduits, pull boxes, wiring, grounding, enclosures; VFD's and on-site electrical infrastrucutre; surveying; geotechnical engineering; permitting and regulatory approvals including AQMD compliance. o SCADA programming and system integration to be coordinated with City's SCADA programming vendor. o Provide startup, performance testing, and operations training to City staff. SUBMISSION OF PROPOSALS FOR THIS PROJECT IS SUBJECT TO CITY OF CORONA PUBLIC WORKS & UTILITIES DEPARTMENT PREQUALIFIED DESIGN-BUILD ENTITIES ONLY. The City previously conducted a public invitation to prequalify Design-Build (D-B) Entities specific to this Project and will only consider proposals submitted by prequalified Design-Build Entities. The list of prequalified Design-Build Entities approved to submit proposals is available for download using the Documents & Attachments Tab. All pre-approved D-B Entities shall access the Documents & Attachments Tab to review and download all RFP documents. The solicitation documents include, but are not limited to, request for proposals, bridging documents, specifications, general conditions, and required proposal forms. Please allow sufficient time to fully complete and upload all documents prior to the submission deadline. Request for Proposal documents can be uploaded, modified or withdrawn any time prior to the submission deadline. Please review the E-bidding Instructions FAQs uploaded to the Documents & Attachments Tab to familiarize yourself with the PlanetBids system. The PlanetBids system will not accept late proposal packages. No exceptions.