Potable Water Storage Facility Cleaning & Inspection Services

The Alameda County Water District has issued an Invitation for Bids (IFB25/26-06) for potable water storage facility cleaning and inspection services covering 13 facilities located in Fremont, Newark, and Union City, California. The project encompasses cleaning and inspecting seven above-ground steel tanks and six underground reservoirs, with a comprehensive scope that includes sediment removal, disinfection, and detailed inspection reporting. Contractors must possess a C-61/D12 Contractor's License, confined space certification, and a minimum of seven years of experience in underwater reservoir cleaning, with a specific requirement of having cleaned at least three potable water reservoirs with a minimum capacity of three million gallons within the last five years. The procurement timeline includes a mandatory pre-bid meeting and site visits scheduled for August 20th and 21st, with bidder questions due by August 22, 2025, and district responses by August 25, 2025. The final bid submission is due September 4, 2025, at 3:00 p.m., with an anticipated contract award in October 2025. Bids will be evaluated primarily on Bid Schedule A "Dive and Clean" method, with payment structured in percentages for various project stages including sample collection, cleaning, sediment removal, site cleanup, and inspection report submission.

The solicitation does not explicitly mention specific set-aside designations or restrictions for disadvantaged enterprises. The proposed contract structure includes a two-year base term with three potential one-year renewal options, providing long-term stability for the selected contractor. While specific budget ranges are not detailed in the provided documents, the comprehensive nature of the cleaning and inspection services suggests a significant project scope across thirteen water storage facilities ranging from 0.48 million gallons to 20.6 million gallons in capacity. Some facilities, such as the Middlefield Reservoir, have noted infrastructure challenges including a failing liner and roof coating, while others like the Hidden Valley Tank and MSJ Treated Water Tank exhibit heavy corrosion. The most recent cleaning of these facilities occurred between November 2019 and April 2024, indicating a regular maintenance approach. Potential bidders should note that a signed signature page must be returned with the proposal, with failure to do so potentially rendering the bid non-responsive.