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

Work includes: (1) Rehabilitating Clarifiers 4 and 11 by replacing the clarifier equipment, refurbishing the bridge, resurfacing the concrete surfaces, rebuilding drives, refurbishing influent gates, and replacing electrical equipment, (2) installing new sump pits at 5 clarifiers, (3) installing new sump pumps at 6 clarifiers, (4) providing new 120V, 208V, and 480V and control wiring for Clarifiers 8, 11, and 12, (5) inspecting clarifier return activated sludge pipeline and providing Cure-In-Place Piping rehabilitation if required for 2 clarifiers, (6) inspecting the closed conduit secondary effluent channel, (7) regrading and replacing the soil adjacent to the clarifiers with new material, and (8) replacing actuators on the influent gates at 8 clarifiers. Estimated cost of this work is between $6.5M and $8.0M. This project will require multiple trades and types of work; for example (note: this list is not all inclusive): demolition, saw-cutting, concrete coring, hazardous materials handling, grading, excavation, fill, concrete, painting, structural steel, bolting, welding, mechanical, electrical, pipeline, plumbing, crane equipment, handrails, ladders, gratings and railings, landscaping, and other required work and trades. For additional description and information, see Document 00 41 01 - Bid Form, Document 00 41 05 - Description of Bid Items, Section 01 11 00 - Summary of Work, and the remaining contract documents. The contractor/subcontractor performing the electrical work for this contract is required to be a District pre-qualified electrical subcontractor. See Instructions to Bidders Article 6 for more information. Additional pre bid meeting note: Attendees shall also cover their coughs/sneezes, practice hand washing, and shall not engage in physical contact. Attendees who disregard these health and safety requirements, as well as attendees who feel sick and/or have a cough or fever will not be allowed to attend. Attendees shall assemble at The Main Wastewater Treatment Plant at 2020 Wake Ave, Oakland. This is the only time that the work site will be open for inspection. The inspection will last approximately 2 hours. Attendees are encouraged to wear non-skid shoes. No photography by the Attendees will be allowed. The District will take photographs, as requested by the Attendees, restricted to the work zone. The District will release photographs to Attendees after the bid walk, pending review by District. All Attendees are required to have a photo ID and sign a confidentiality agreement not to share, sell, or publish photos. For pre-bid jobsite inspection questions only, call the Construction Manager (Diego Lucen) at (510) 287-1792. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. Estimated cost of this work is between $6.5M and $8.0M. Question Deadline Sep 18, 2024 Questions regarding documents, discrepancies, omissions, or intent of specifications or drawings shall be communicated to the Engineer in writing at least ten days prior to opening of bids, to provide time for issuing and forwarding an addendum, should the District consider an addendum necessary